用ub948的gpio5-9想读取外部电平状态,根据手册将其配置为input模式,写对应寄存器为3
例,gpio6 reg20 -> 30


gpio6已外部拉高
但读0x6e,一直为0;
请问是否还需配置其他地方?
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用ub948的gpio5-9想读取外部电平状态,根据手册将其配置为input模式,写对应寄存器为3
例,gpio6 reg20 -> 30


gpio6已外部拉高
但读0x6e,一直为0;
请问是否还需配置其他地方?