本帖最后由 一只耳朵怪 于 2018-6-5 14:18 编辑
你好,我参考Beaglebone black原理图做了一块板,删掉USB Host, Ethernet, HDMI,其余皆一样,但我将LCD_DATA6至13再接到SPST CMOS IN (TS12A44514)。上电时将LCD_DATA2接地预使CPU(AM3358)读uSD,但CPU似乎没动作,USR LED没亮,然而POWER LED有亮。测量AM3358 C6 pin有1.8V电位。可请问AM3358为何没读uSD??
2018-6-4 06:27:41
I found the problem. I just have a empty EEPROM.
Thanks.
I found the problem. I just have a empty EEPROM.
Thanks.
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