摘要:
LED灯GPIO连接示意图: --------- |GPM0 |--LED1 --------- |GPM1 |--LED2 --------- |GPM2 |--LED3 --------- |GPM3 |--LED4 --------- active low相关寄存器: Register Address R/W Description Reset Value GPMCON 0x7F008820 R/W Port M Configuration Register 0x00222222 GPMDAT 0x7F008824 R/W Port M Data Register Undefined G 阅读全文