platform: mcu fs32k144, SPI communication to MC33771B.
a.wakeup mc33771 for BCS Pin.
b.Reset mc33771 for Write mc33771 SYS_CFG1.(not respond)
c.Assign CID for Write mc33771 INIT.(not respond)
Problem: from the appearance point of view, there is no corresponding command for Mc33771.
Logical analysis shows that the data has been sent according to the standard.
What's going on here!