1. 现象描述:采用附图这种供电方式测试HYNIX 8G eMMC会Fail,分析为HYNIX 8G eMMC 上电Fail。(OCR寄存器的英语翻译

1. 现象描述:采用附图这种供电方式测试HYNIX 8G eMMC会F

1. 现象描述:采用附图这种供电方式测试HYNIX 8G eMMC会Fail,分析为HYNIX 8G eMMC 上电Fail。(OCR寄存器[31]位为0)。
2. 怀疑:怀疑Fail原因为:LDO5 提前LDO10 上电,时间:240us; MCU端的MMC controller 的IO漏电到8G eMMC端的MMC controller,导致HYNIX 8G eMMC 上电Fail。
3. 验证: 如果LDO10 在LDO5 前上电,那么HYNIX 8G eMMC 测试 PASS;
如果MCU端的MMC controller 和8G eMMC端的MMC controller 电源 均为LDO5,那么HYNIX 8G eMMC 测试PASS。
4. 备注:在LDO5上电之后,LDO10 上电之前,MCU不会对HYNIX 8G eMMC进行命令发送和数据读写。

有如下问题需要宋工确认
1. MCU端的MMC controller 的电源比HYNIX 8G eMMC端的MMC controller 电源提前上电,那么这样会不会影响HYNIX 8G eMMC的上电?
2. HYNIX 8G eMMC 的MMC controller 上电前对外部漏电流的要求?
0/5000
源语言: -
目标语言: -
结果 (英语) 1: [复制]
复制成功!
1. Symptom: This test uses reference power supply HYNIX 8G eMMC will Fail, Fail to power analysis HYNIX 8G eMMC. (OCR register [31] bit is 0). <br>2. wonder: Fail reason to doubt: LDO5 advance LDO10 power-up, time: 240us; MMC controller MCU end of the IO leakage to the MMC controller 8G eMMC end, leading to the HYNIX 8G eMMC electric Fail. <br>3. Verification: If the power LDO10 LDO5 before, then the PASS Test HYNIX 8G eMMC; <br>if MMC controller MCU and the terminal ends of the MMC controller 8G eMMC are LDO5 power, then HYNIX 8G eMMC test PASS. <br>4. Note: LDO5 after power on, before LDO10 power, the MCU will not HYNIX 8G eMMC transmits a command and data read and write. <br><br>The following issues need to confirm the work of Song <br>1. MCU end of the MMC controller power than HYNIX 8G eMMC end of MMC controller earlier in the power, then this will not affect the power of HYNIX 8G eMMC? <br>2. HYNIX 8G eMMC of MMC controller before power on the requirements of the external leakage current?
正在翻译中..
结果 (英语) 2:[复制]
复制成功!
1. Description of the phenomenon: HyNIX 8G eMMC will be tested with the power supply of the drawing, analyzed as HYNIX 8G eMMC powered up Fail.<br>(OCR register is 0 bit).<br>2. Suspicion: Suspected Fail is due to: LDO5 power-up LDO10 in advance, time: 240us;<br>3. Verification: If LDO10 is powered on before LDO5, then HYNIX 8G eMMC tests PASS;<br>If both the MMC controller on the MCU side and the MMC controller on the 8G eMMC are LDO5, then HYNIX 8G eMMC tests PASS.<br><br>4. Note: After the LDO5 is powered on, the MCU will not send commands and read and write data to HYNIX 8G eMMC until the LDO10 is powered on.<br>There are the following questions need to be confirmed by Songgong<br>1. The MMC controller on the MCU side is powered up earlier than the MMC controller power supply on the HYNIX 8G eMMC end, so will this not affect the power-up of hyNIX 8G eMMC? 2. Requirements for external leakage currents before HYNIX 8G eMMC's MMC controller is powered on?
正在翻译中..
结果 (英语) 3:[复制]
复制成功!
1. Phenomenon Description: Using the power supply method of the attached figure to test the failure of HYNIX 8G eMMC, the failure is analyzed as the failure of HYNIX 8G eMMC. (OCR register [31] bit is 0).<br>2. Suspicion: The reason for suspecting Fail is: LDO5 powers on LDO10 ahead of schedule, time: 240us; IO leakage of MMC controller at MCU end to MMC controller at 8G eMMC end leads to failure of HYNIX 8G eMMC.<br>3. Verification: If LDO10 is powered up before LDO5, then HYNIX 8G eMMC tests PASS;<br>If the MMC controller of MCU and the MMC controller of 8G eMMC are LDO5, then HYNIX 8G eMMC tests PASS.<br>Note: After LDO5 is powered on, before LDO10 is powered on, MCU will not send commands and read and write data to HYNIX 8G eMMC.<br>The following questions need to be confirmed by Song Gong<br>1. The power of MMC controller in MCU is earlier than that of MMC controller in HYNIX 8G eMMC. Does this affect the power of HYNIX 8G eMMC?<br>2. Requirements for external leakage current before the MMC controller of HYNIX 8G eMMC is turned on?<br>
正在翻译中..
 
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