This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

关于AM3715的SYS_NRESWARM信号问题!

Other Parts Discussed in Thread: AM3715

板子上面有一块i2c芯片。它的复位脚连到了SYS_NRESWARM。底电平复位。

在uboot下面,SYS_NRESWARM一直为低电平,导致无法操作i2c芯片。

然后进入了内核后就正常了。SYS_NRESWARM就变成高了,i2c芯片工作正常!

用的bsp为TI-Android-ICS-4.0.3-DevKit-3.0.0。

AM3715+65930.

大家有没有什么解决方法啊?