MC908GZ60CFUE Datasheet, PDF (246/352 Pages) Freescale Semiconductor, Inc – Standard features, Features of the CPU08

Serial Peripheral Interface (SPI) Module
BUS
CLOCK
MOSI
SPSCK
CPHA = 1
SPSCK
CPHA = 0
SPSCK CYCLE
NUMBER
WRITE
TO SPDR
INITIATION DELAY
MSB
BIT 6
BIT 5
1
2
3
INITIATION DELAY FROM WRITE SPDR TO TRANSFER BEGIN
BUS
CLOCK
WRITE
TO SPDR
BUS
CLOCK
EARLIEST
WRITE
TO SPDR
LATEST
SPSCK = BUS CLOCK ÷ 2;
2 POSSIBLE START POINTS
BUS
CLOCK
EARLIEST
WRITE
TO SPDR
SPSCK = BUS CLOCK ÷ 8;
8 POSSIBLE START POINTS
LATEST
BUS
CLOCK
EARLIEST
WRITE
TO SPDR
SPSCK = BUS CLOCK ÷ 32;
32 POSSIBLE START POINTS
LATEST
EARLIEST
SPSCK = BUS CLOCK ÷ 128;
128 POSSIBLE START POINTS
LATEST
Figure 16-8. Transmission Start Delay (Master)
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
246
Freescale Semiconductor