I am new for S08 8bit MCU. Now I am working with the MC9S08AW16.
I want to use SCI module to communcate with other MCUs.
I tried to send and receive the data, but failed.
NOW, I have some problems:
I follow the datasheet step: Read the RDRF bit in SCI1S1 register then write the SCI1D register, but the RDRF bit isn't clear.
SO, I want to ask for some advice or 'C' code to do a Software SCI