MC9S08JM16 Datasheet, PDF (265/386 Pages) Freescale Semiconductor, Inc – Microcontrollers

RESET
INITIALIZE SPI
SPIxC1 = 0x54
SPIxC2 = 0xC0
SPIxBR = 0x00
SPIxMH = 0xXX
Serial Peripheral Interface (S08SPI16V1)
YES
SPTEF = 1
NO
?
YES
WRITE TO
SPIxDH:SPIxDL
SPRF = 1
NO
?
YES
READ
SPIxDH:SPIxDL
SPMF = 1
NO
?
YES
READ SPMF WHILE SET
TO CLEAR FLAG,
THEN WRITE A 1 TO IT
CONTINUE
Figure 15-16. Initialization Flowchart Example for SPI Master Device in 16-bit Mode
MC9S08JM16 Series Data Sheet, Rev. 2
Freescale Semiconductor
265