MC908GR16ACFA FREESCALE [Freescale Semiconductor, Inc], MC908GR16ACFA Datasheet - Page 198

• Manufacturer Part Number: MC908GR16ACFA
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Serial Peripheral Interface (SPI) Module
198
SPSCK CYCLE
CPHA = 1
CPHA = 0
NUMBER
CLOCK
CLOCK
CLOCK
CLOCK
CLOCK
SPSCK
SPSCK
MOSI
BUS
BUS
BUS
BUS
BUS
Figure 16-8. Transmission Start Delay (Master)
TO SPDR
TO SPDR
TO SPDR
WRITE
WRITE
WRITE
TO SPDR
TO SPDR
WRITE
WRITE
EARLIEST
EARLIEST
EARLIEST
EARLIEST
MC68HC908GR16A Data Sheet, Rev. 1.0
INITIATION DELAY FROM WRITE SPDR TO TRANSFER BEGIN
LATEST
INITIATION DELAY
128 POSSIBLE START POINTS
32 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 128;
8 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 32;
SPSCK = BUS CLOCK ÷ 8;
2 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 2;
MSB
1
BIT 6
2
LATEST
LATEST
LATEST
BIT 5
3
Freescale Semiconductor