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source/RMA/2K/PY_PY32F410_RMA_Report.md
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# RMA报告：嘉兆UT_20251226
## 基本信息
| 项目 | 内容 |
|--------------|-----------------------|
| 实验日期 | `2025-12-26` |
| 负责人 | `沈浴阳` |
| 工厂名称 | `嘉兆` |
| 客户名称 | `PY` |
| 待测芯片 | `PY32F410` |
| 测试类型 | `CP` |
| 报告版本 | `V1.0` |
| 板卡编号 | `NT25090201011/NT25090201014` |
---
## 一、问题背景
在客户芯片所需要的测试流程中存在对芯片管脚`PD7`进行`Trim,Write Data,Verify`的流程，
根据测试要求，需要在测试时将该管脚通过`Relay`连接/断开一`1uF电容`至`GND`
若测试时`Relay`未正确动作即该管脚未连接该对地电容而悬空时会导致回读电压值抖动并偏离容许范围导致测试失败
工厂现场发现存在部分板卡出现稳定Fail且检查数据后发现管脚电压不稳定，故怀疑测试时`Relay`未正确动作，故怀疑`Relay控制脚`所对应板卡`UT通道`存在问题
---
## 二、实验环境
- **硬件配置**
- Mars 2K 板卡 *2:
- Zynq: `20101B_A3`
- PMU: `JC123M029_A3`
- DPS: `JC123M042_A6`
- MOLEX: `JC124M027_A4`
- K7_w/_NOR: `20087B_5V8_A5` * 2
- 面板: `22A`
- 通道板
- **软件环境**
`1.3-1057`
- **固件环境**
- Zynq: `v1.2.1.2.1_11_08`
- **物理环境**
`温度：25±2℃ | 湿度：45±5%RH`
---
## 三、实验步骤
### 1. 准备工作
<!-- 分步骤描述准备过程 -->
1) 步骤描述1：板卡连接面板及通道板
2) 步骤描述2：确保`Socket`、芯片正确放置并连接至通道板
3) 步骤描述3：将`UT`、`Relay`正确连接至通道板
### 2. 复现流程
<!-- 按顺序记录关键操作 -->
1) 步骤描述1：板卡上电
2) 步骤描述2：启动软件，加载Stil，连接板卡
3) 步骤描述3：Mark多余测试项
4) 步骤描述4：执行测试，检查Log
### 3. 调试记录
1) 单独执行1p024_Trimming, Trimming_Write, 1p024_Verify; 返回Pass，结果无异常
2) 执行所有Trimming及Verify，查看结果，1p024_Verify Fail，其他测试项Pass
3) 控制变量，发现1p024_Trimming与2p5_Trimming或2p9_Trimming测试项一同运行时会导致1p024_Verify Fail
4) 将管脚直接短接电容作为对比，发现执行相同流程1p024_Verify可以Pass,确认与`Relay`存在与否有关
5) 使用示波器观察波形，得到后续记录波形
---
## 四、实验结果
### 波形/现象记录
**图1：短接管脚与电容时波形**
![](../../_images/RMA/2K_UT/NOUT.png)
**图2：使用Relay连接管脚与电容时波形**
![](../../_images/RMA/2K_UT/UT.png)
**图3：使用Relay连接管脚与电容时仅执行调试记录3流程时波形**
![](../../_images/RMA/2K_UT/UT2.png)
---
## 五、问题分析
<!-- 使用故障树等结构化方法 -->
```{mermaid}
flowchart TB
A["Trim输出较高电压(2.5V/2.9V)"] -- 测试完成后 --> B["继电器断开"]
B --> C["电容浮空，残留之前电压"]
C -- 写入Trimming数据后 --> D["执行1p024_Verify时继电器合上"]
D --> n1["此时PMU处于FZMV_5uA挡位，电容上残留电压释放速度缓慢"]
n1 --> n2["此时Measure电压明显高于1.024V,测试失败"]
```
---
## 六、结论与建议
✅ **实验结论**
1. 由于测试流程，会导致电容上残留有前序测试项所留电压
2. 由于测试流程，Trimming最后为大电压测试，而Verify第一项为最小电压挡位测试，此时又由于使用`FZMV`的小电压档(5uA)且`Measure`等待时间较短，导致电容上电压在仍未稳定(多余电压未释放)时进行测量，导致测量值偏大，致使测试Fail
⚠️ **解决建议**
1. 在最后一项Trimming测试项中不断开`Relay`使外接电容自然放电
2. 调整1p024_Verify测试项中`FZMV`挡位，使用`2mA`档以加快电荷释放，同时在允许范围内适当增加延时，确保Measure时电压稳定
---
## 附件
1. [Pass Log](../../_static/data/RMA/2K_UT/Pass_Log.txt)
2. [Fail Log](../../_static/data/RMA/2K_UT/Fail_Log.txt)
source/RMA/index.rst
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##############################
RMA Documents
##############################
.. toctree::
:maxdepth: 2
:caption: Contents:
:glob:
**
source/_images/RMA/2K_UT/390.png
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source/_static/data/RMA/2K_UT/Fail_Log.txt
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Defined Words: MARK
Enabled Words:
12/23/2025 3:34:24 PM Slot4 192.168.100.11 Run Flow Count: 1
site: 2 Trim_value: 63 PD7_voltage=1.08575086740788
site: 2 Trim_value: 31 PD7_voltage=1.05057466581135
site: 2 Trim_value: 15 PD7_voltage=1.03374315640784
site: 2 Trim_value: 7 PD7_voltage=1.02539310011851
site: 2 Trim_value: 3 PD7_voltage=1.02127317386813
site: 2 Trim_value: 5 PD7_voltage=1.02334585281508
site: 2 Trim_value: 6 PD7_voltage=1.02426139198183
site: 2 Trim_value: 5 PD7_voltage=1.02339247749487
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:24.814
TestSuite: VREFBUF_TRIM_PAT
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
8480 P 2 VREFBUF_TRIM 251859 VREFBUF_TRIM_PAT
-----------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:24.830
TestSuite: Vrefbuf_1p024_Dac_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8500 P 2 0 6.000000000 128 PB3 Vrefbuf_1p024_Dac_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
site: 2 Trim_value: 63 PD7_voltage=1.52331501000507
site: 2 Trim_value: 31 PD7_voltage=1.47434214179851
site: 2 Trim_value: 47 PD7_voltage=1.49867174743341
site: 2 Trim_value: 55 PD7_voltage=1.51075601671304
site: 2 Trim_value: 51 PD7_voltage=1.50445744633439
site: 2 Trim_value: 49 PD7_voltage=1.50143531936267
site: 2 Trim_value: 48 PD7_voltage=1.50042653083634
site: 2 Trim_value: 47 PD7_voltage=1.49880738286552
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:25.002
TestSuite: Vrefbuf_1p024_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8600 P 2 0.9 1.02427835 1.2 V PD7 Vrefbuf_1p024_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_1p5_Trimming Result:
2025/12/23 15:34:25.016
TestSuite: Vrefbuf_1p5_DAC_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8700 P 2 0 48.000000000 128 PB3 Vrefbuf_1p5_DAC_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
site: 2 Trim_value: 63 PD7_voltage=2.06491576763861
site: 2 Trim_value: 31 PD7_voltage=1.99752191230848
site: 2 Trim_value: 47 PD7_voltage=2.03083736532073
site: 2 Trim_value: 55 PD7_voltage=2.04779603294186
site: 2 Trim_value: 59 PD7_voltage=2.05639192845189
site: 2 Trim_value: 57 PD7_voltage=2.05209821930413
site: 2 Trim_value: 56 PD7_voltage=2.04996619985563
site: 2 Trim_value: 55 PD7_voltage=2.04758410257918
Vrefbuf_1p5_Trimming Result:
2025/12/23 15:34:25.187
TestSuite: Vrefbuf_1p5_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8800 P 2 0.9 1.50030361 2 V PD7 Vrefbuf_1p5_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_2p048_Trimming Result:
2025/12/23 15:34:25.200
TestSuite: Vrefbuf_2p048_DAC_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8900 P 2 0 55.000000000 128 PB3 Vrefbuf_2p048_DAC_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
site: 2 Trim_value: 63 PD7_voltage=2.92779447787047
site: 2 Trim_value: 31 PD7_voltage=2.83226050898457
site: 2 Trim_value: 47 PD7_voltage=2.8793048108908
site: 2 Trim_value: 55 PD7_voltage=2.90332923680345
site: 2 Trim_value: 51 PD7_voltage=2.89120258145128
site: 2 Trim_value: 53 PD7_voltage=2.89743333411388
site: 2 Trim_value: 54 PD7_voltage=2.9004469838711
site: 2 Trim_value: 53 PD7_voltage=2.89722988096571
Vrefbuf_2p048_Trimming Result:
2025/12/23 15:34:25.372
TestSuite: Vrefbuf_2p048_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9000 P 2 0.9 2.04785961 2.5 V PD7 Vrefbuf_2p048_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_2p9_Trimming Result:
2025/12/23 15:34:25.387
TestSuite: Vrefbuf_2p9_DAC_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9300 P 2 0 54.000000000 128 PB3 Vrefbuf_2p9_DAC_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_2p9_Trimming Result:
2025/12/23 15:34:25.437
TestSuite: Vrefbuf_2p9_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9400 P 2 0.9 2.90032406 4 V PD7 Vrefbuf_2p9_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.437
TestSuite: reg_hsi0_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9410 P 2 0 1005.000000000 65535 PA13 reg_hsi0_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.437
TestSuite: reg_hsi1_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9420 P 2 0 989.000000000 65535 PA13 reg_hsi1_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.437
TestSuite: reg_hsi2_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9430 P 2 0 994.000000000 65535 PA13 reg_hsi2_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.437
TestSuite: reg_hsi3_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9440 P 2 0 1002.000000000 65535 PA13 reg_hsi3_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.528
TestSuite: reg_ts_25c_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9550 P 2 0 848.000000000 65535 PA13 reg_ts_25c_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.528
TestSuite: Trimdata_write_fbist_page_read_trim
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9500 P 2 fbist_page_read_trim 3245 Trimdata_write_fbist_page_read_trim
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.530
TestSuite: Trimdata_write_fbist_page_read_getkey_pb3
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9600 P 2 fbist_page_read_getkey_pb3 3245 Trimdata_write_fbist_page_read_getkey_pb3
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.532
TestSuite: Trimdata_write_fbist_page_read_option
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9700 P 2 fbist_page_read_option 3247 Trimdata_write_fbist_page_read_option
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.532
TestSuite: Trimdata_write_fbist_page_read_ts85
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9800 P 2 fbist_page_read_ts85 3245 Trimdata_write_fbist_page_read_ts85
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:25.589
TestSuite: Trimdata_write_fbist_page_read_ft
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9900 P 2 fbist_page_read_ft 3244 Trimdata_write_fbist_page_read_ft
-----------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p024_Verify Result:
2025/12/23 15:34:25.589
TestSuite: vrefbuf1p024_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9910 *F* 2 1.0189 1.34149571 1.0292 V PD7 vrefbuf1p024_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p024_Verify Result:
2025/12/23 15:34:25.649
TestSuite: vrefbuf1p024_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9920 P 2 0 4930.000000000 65535 PD7 vrefbuf1p024_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p5_Verify Result:
2025/12/23 15:34:25.649
TestSuite: vrefbuf1p5_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9930 P 2 1.4925 1.50030361 1.5075 V PD7 vrefbuf1p5_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p5_Verify Result:
2025/12/23 15:34:25.713
TestSuite: vrefbuf1p5_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9940 P 2 0 5377.000000000 65535 PD7 vrefbuf1p5_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p048_Verify Result:
2025/12/23 15:34:25.713
TestSuite: vrefbuf2p048_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9950 P 2 2.0377 2.04787657 2.0583 V PD7 vrefbuf2p048_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p048_Verify Result:
2025/12/23 15:34:25.772
TestSuite: vrefbuf2p048_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9960 P 2 0 8264.000000000 65535 PD7 vrefbuf2p048_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p5_Verify Result:
2025/12/23 15:34:25.772
TestSuite: vrefbuf2p5_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9970 P 2 2.4875 2.49953832 2.5125 V PD7 vrefbuf2p5_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p5_Verify Result:
2025/12/23 15:34:25.835
TestSuite: vrefbuf2p5_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9980 P 2 0 9472.000000000 65535 PD7 vrefbuf2p5_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p9_Verify Result:
2025/12/23 15:34:25.835
TestSuite: vrefbuf2p9_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9990 P 2 2.8855 2.90028168 2.9145 V PD7 vrefbuf2p9_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p9_Verify Result:
2025/12/23 15:34:25.856
TestSuite: vrefbuf2p9_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
10000 P 2 0 10497.000000000 65535 PD7 vrefbuf2p9_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
---- --------- ------- ------- --- ---------- ---------- ------------- ---------- ------ ------------------
Site Device ID X Coord Y Coord P/F SW Bin No. HW Bin No. Test Time Test Count Status Device Description
---- --------- ------- ------- --- ---------- ---------- ------------- ---------- ------ ------------------
2 0 0 F 43 43 1268.17ms
---------------------------------------------------------------------------------------------------------------------
source/_static/data/RMA/2K_UT/Pass_Log.txt
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Defined Words: MARK
Enabled Words:
12/23/2025 3:34:34 PM Slot4 192.168.100.11 Run Flow Count: 1
site: 2 Trim_value: 63 PD7_voltage=1.08584411676746
site: 2 Trim_value: 31 PD7_voltage=1.05057466581135
site: 2 Trim_value: 15 PD7_voltage=1.03374315640784
site: 2 Trim_value: 7 PD7_voltage=1.02535495265322
site: 2 Trim_value: 3 PD7_voltage=1.02126469665363
site: 2 Trim_value: 5 PD7_voltage=1.02323141041924
site: 2 Trim_value: 6 PD7_voltage=1.02426986919634
site: 2 Trim_value: 5 PD7_voltage=1.02337976167311
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:34.900
TestSuite: VREFBUF_TRIM_PAT
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
8480 P 2 VREFBUF_TRIM 251859 VREFBUF_TRIM_PAT
-----------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:34.915
TestSuite: Vrefbuf_1p024_Dac_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8500 P 2 0 6.000000000 128 PB3 Vrefbuf_1p024_Dac_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
site: 2 Trim_value: 63 PD7_voltage=1.5232938169688
site: 2 Trim_value: 31 PD7_voltage=1.47432094876224
site: 2 Trim_value: 47 PD7_voltage=1.49886248475982
site: 2 Trim_value: 55 PD7_voltage=1.51083231164361
site: 2 Trim_value: 51 PD7_voltage=1.50469904694784
site: 2 Trim_value: 49 PD7_voltage=1.50148618264971
site: 2 Trim_value: 48 PD7_voltage=1.50037142894205
site: 2 Trim_value: 47 PD7_voltage=1.49897268854841
Vrefbuf_1p024_Trimming Result:
2025/12/23 15:34:35.084
TestSuite: Vrefbuf_1p024_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8600 P 2 0.9 1.02441398 1.2 V PD7 Vrefbuf_1p024_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_1p5_Trimming Result:
2025/12/23 15:34:35.099
TestSuite: Vrefbuf_1p5_DAC_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8700 P 2 0 48.000000000 128 PB3 Vrefbuf_1p5_DAC_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
site: 2 Trim_value: 63 PD7_voltage=2.06511922078678
site: 2 Trim_value: 31 PD7_voltage=1.99760668445355
site: 2 Trim_value: 47 PD7_voltage=2.03089670582228
site: 2 Trim_value: 55 PD7_voltage=2.0478553734434
site: 2 Trim_value: 59 PD7_voltage=2.05631563352133
site: 2 Trim_value: 57 PD7_voltage=2.05221266169997
site: 2 Trim_value: 56 PD7_voltage=2.05017389161105
site: 2 Trim_value: 55 PD7_voltage=2.04792742976671
Vrefbuf_1p5_Trimming Result:
2025/12/23 15:34:35.271
TestSuite: Vrefbuf_1p5_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8800 P 2 0.9 1.50054945 2 V PD7 Vrefbuf_1p5_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_2p048_Trimming Result:
2025/12/23 15:34:35.283
TestSuite: Vrefbuf_2p048_DAC_Final
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
8900 P 2 0 55.000000000 128 PB3 Vrefbuf_2p048_DAC_Final
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf_2p048_Trimming Result:
2025/12/23 15:34:35.335
TestSuite: Vrefbuf_2p048_vol
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9000 P 2 0.9 2.04785537 2.5 V PD7 Vrefbuf_2p048_vol
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.335
TestSuite: reg_hsi0_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9410 P 2 0 1005.000000000 65535 PA13 reg_hsi0_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.335
TestSuite: reg_hsi1_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9420 P 2 0 989.000000000 65535 PA13 reg_hsi1_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.335
TestSuite: reg_hsi2_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9430 P 2 0 994.000000000 65535 PA13 reg_hsi2_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.335
TestSuite: reg_hsi3_trim_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9440 P 2 0 1002.000000000 65535 PA13 reg_hsi3_trim_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.426
TestSuite: reg_ts_25c_new
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9550 P 2 0 848.000000000 65535 PA13 reg_ts_25c_new
---------------------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.426
TestSuite: Trimdata_write_fbist_page_read_trim
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9500 P 2 fbist_page_read_trim 3245 Trimdata_write_fbist_page_read_trim
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.429
TestSuite: Trimdata_write_fbist_page_read_getkey_pb3
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9600 P 2 fbist_page_read_getkey_pb3 3245 Trimdata_write_fbist_page_read_getkey_pb3
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.429
TestSuite: Trimdata_write_fbist_page_read_option
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9700 P 2 fbist_page_read_option 3247 Trimdata_write_fbist_page_read_option
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.431
TestSuite: Trimdata_write_fbist_page_read_ts85
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9800 P 2 fbist_page_read_ts85 3245 Trimdata_write_fbist_page_read_ts85
-----------------------------------------------------------------------------------------------------------------------------------------------
Trimdata_write Result:
2025/12/23 15:34:35.485
TestSuite: Trimdata_write_fbist_page_read_ft
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
Test_No. P/F Site Pattern Count ScanVec:Bit Test_Description
---------- --- ---- ------------------------------------------- -------- -------------- --------------------------------------------------
9900 P 2 fbist_page_read_ft 3244 Trimdata_write_fbist_page_read_ft
-----------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p024_Verify Result:
2025/12/23 15:34:35.485
TestSuite: vrefbuf1p024_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9910 P 2 1.0189 1.02502858 1.0292 V PD7 vrefbuf1p024_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p024_Verify Result:
2025/12/23 15:34:35.547
TestSuite: vrefbuf1p024_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9920 P 2 0 4134.000000000 65535 PD7 vrefbuf1p024_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p5_Verify Result:
2025/12/23 15:34:35.549
TestSuite: vrefbuf1p5_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9930 P 2 1.4925 1.50032904 1.5075 V PD7 vrefbuf1p5_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf1p5_Verify Result:
2025/12/23 15:34:35.610
TestSuite: vrefbuf1p5_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9940 P 2 0 5377.000000000 65535 PD7 vrefbuf1p5_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p048_Verify Result:
2025/12/23 15:34:35.610
TestSuite: vrefbuf2p048_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9950 P 2 2.0377 2.04802068 2.0583 V PD7 vrefbuf2p048_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p048_Verify Result:
2025/12/23 15:34:35.674
TestSuite: vrefbuf2p048_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9960 P 2 0 8265.000000000 65535 PD7 vrefbuf2p048_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p5_Verify Result:
2025/12/23 15:34:35.674
TestSuite: vrefbuf2p5_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9970 P 2 2.4875 2.49950017 2.5125 V PD7 vrefbuf2p5_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p5_Verify Result:
2025/12/23 15:34:35.736
TestSuite: vrefbuf2p5_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9980 P 2 0 9472.000000000 65535 PD7 vrefbuf2p5_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p9_Verify Result:
2025/12/23 15:34:35.736
TestSuite: vrefbuf2p9_value_f
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
9990 P 2 2.8855 2.90053599 2.9145 V PD7 vrefbuf2p9_value_f
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vrefbuf2p9_Verify Result:
2025/12/23 15:34:35.758
TestSuite: vrefbuf2p9_w
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
Test_No. P/F Site Minimum Measured Maximum Unit Pin_Name Test_Description
---------- --- ---- ------------ -------------------- ------------ ---- --------------------- --------------------------------------------------
10000 P 2 0 10497.000000000 65535 PD7 vrefbuf2p9_w
---------------------------------------------------------------------------------------------------------------------------------------------------------
---- --------- ------- ------- --- ---------- ---------- ------------- ---------- ------ ------------------
Site Device ID X Coord Y Coord P/F SW Bin No. HW Bin No. Test Time Test Count Status Device Description
---- --------- ------- ------- --- ---------- ---------- ------------- ---------- ------ ------------------
2 0 0 P 1 1 1085.67ms
---------------------------------------------------------------------------------------------------------------------
source/_template/RMA_Report.md
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# RMA报告：<在此填写实验名称>
## 基本信息
| 项目 | 内容 |
|--------------|-----------------------|
| 实验日期 | `YYYY-MM-DD` |
| 负责人 | `沈浴阳` |
| 工厂名称 | `` |
| 客户名称 | `XX` |
| 待测芯片 | `` |
| 测试类型 | `CP/FT` |
| 报告版本 | `V1.0` |
| 板卡编号 | `` |
---
## 一、问题背景
---
## 二、实验目的
<!-- 清晰描述实验要验证的关键问题 -->
1. 目标1：`<验证XXX功能/性能>`
2. 目标2：`<测试XXX极限参数>`
3. 目标3：`<对比XXX设计方案>`
---
## 三、实验环境
- **硬件配置**
`<被测设备型号> + 配套设备列表>`
- **软件环境**
`<测试软件及版本>`
- **物理环境**
`温度：25±2℃ | 湿度：45±5%RH`
---
## 四、实验步骤
### 1. 准备工作
<!-- 分步骤描述准备过程 -->
1) 步骤描述1：`<连接XX设备到XX接口>`
2) 步骤描述2：`<设置XX参数为XX值>`
![](./images/step2_setup.jpg) <!-- 建议图片命名：stepX_description.jpg -->
### 2. 复现流程
<!-- 按顺序记录关键操作 -->
```{mermaid}
graph LR
A[启动设备] --> B{监测初始状态}
B -->|正常| C[执行测试用例1]
B -->|异常| D[记录故障现象]
C --> E[采集数据]
```
---
## 五、实验结果
### 关键数据记录
| 测试点 | 预期值 | 实测值 | 偏差 | 单位 |
|--------|--------|--------|------|------|
| Vout | 3.3 | 3.28 | -0.6% | V |
| I_max | 2.0 | 2.15 | +7.5% | A |
### 波形/现象记录
**图1：上电冲击电流波形**
![](./images/inrush_current_20230501.png)
*注释：观测到XX μs的浪涌电流*
**图2：高温测试红外热像**
![](./images/thermal_image_test3.jpg)
*注释：芯片最高温度达XX℃（环境XX℃）*
---
## 六、问题分析
<!-- 使用故障树等结构化方法 -->
```mermaid
graph TD
A[异常现象] --> B[电源模块]
A --> C[信号干扰]
B --> D{排查方向1}
C --> E{排查方向2}
```
---
## 七、结论与建议
✅ **实验结论**
1. `<验证通过/未通过的指标>`
2. `<关键发现>`
⚠️ **解决建议**
- [ ] 建议1：`<硬件优化方案>`
- [ ] 建议2：`<测试方法改进>`
---
## 附件
1. [原始数据文件](./data/rawdata_20230501.csv)
2. [电路原理图](./schematics/v2.0_final.pdf)
3. [测试视频](./videos/test_recording.mp4)
source/index.rst
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Mars_1KS/index
Calibration/index
Lab_Report/index
RMA/index