Part Number: DAC81416
FSDO的定义如下:
Fast SDO bit (half-cycle speedup).
When 0, SDO updates during SCLK rising edges.
When 1, SDO updates during SCLK falling edges.
其读时序如下:

从时序图上看,FSDO = 0时,SDO的bit位在时钟下降沿有效,那么为什么定义中写的是上升沿呢 When 0, SDO updates during SCLK rising edges.
