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By wjzhang
#22251 Hi athena:
thanks for your help! unfortunately i can not do this. i need get configure information from other MCU thought UART.
it woring fine with 果云科技's board. it just VCC/ GND/ TxD/RxD. 4 GPIOs: CHIP_EN/RESET/GPIO0/GPIO2.
do there has special requirement for these pins?