913使用外部时钟模式,12-bit高速模式,外部晶振为50M(GPO3),GPO2为什么不能输出25M时钟?
914:VDDIO为3.3V
SEL为低电平
PDB为高电平
OEN为高电平
OSS_SEL为高电平
LOCK为低电平
PASS为低电平
BISTEN为低电平
MODE:3K下拉,12位高速模式
913: VDDIO为1.8V
MODE:4.7K下拉,外部时钟模式
PDB为高电平
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