SPI CLOCK ?

[A.Caliskan]

hello , ı use stm32h750vb 

I m trying work spı,I set the spi as master mode, when does the master send the first clock pulse.i'm not doing any clock observation at all when i just check clock output

[TDK]

Looks like it was sending a clock in your last post. What happened?

https://community.st.com/s/question/0D53W00001IBQQbSAP/spi-underrun-error-

The SPI sends a clock when you send/receive data. SPI examples are in CubeMX.