]]>https://whycan.com/profile.php?id=39072021-10-22T14:06:42Zhttps://whycan.com/viewtopic.php?pid=69339#p69339搞不明白啊,菜鸟一个 U-Boot SPL 2018.01-05679-g013ca457fd-dirty (Oct 22 2021 - 12:05:04) DRAM: 64 MiB Trying to boot from MMC1 Card did not respond to voltage select! mmc_init: -95, time 22 spl: mmc init failed with error: -95 SPL: Unsupported Boot Device! SPL: failed to boot from all boot devices ### ERROR ### Please RESET the board ### 就启动不到我测试了下电流在40ma上tf卡是50的样子, 而且我感觉是tf的cmd引脚没被上拉到3.3有引起的,是不是不正常啊?,而且也没和地短在一起,上拉电阻前还有3.3后面就没了。 写着写着突然怀疑是不是电阻坏(没有坏)搞不明白了, 有大佬知道如何去看那个error-95这个log对应问题在哪里万一又碰着其他了咋办呀? 事发现场和原理图