MC908GR8CDWE Datasheet, PDF (308/408 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Freescale Semiconductor, Inc.
Serial Peripheral Interface (SPI)
BUS
CLOCK
WRITE
TO SPDR
INITIATION DELAY
MOSI
SPSCK
CPHA = 1
SPSCK
CPHA = 0
SPSCK CYCLE
NUMBER
MSB
BIT 6
BIT 5
1
2
3
INITIATION DELAY FROM WRITE SPDR TO TRANSFER BEGIN
BUS
CLOCK
WRITE
TO SPDR
BUS
CLOCK
EARLIEST
SPSCK = INTERNAL CLOCK ÷ 2;
2 POSSIBLE START POINTS
WRITE
LATEST
TO SPDR
BUS
CLOCK
EARLIEST
WRITE
TO SPDR
SPSCK = INTERNAL CLOCK ÷ 8;
8 POSSIBLE START POINTS
LATEST
BUS
CLOCK
EARLIEST
WRITE
TO SPDR
SPSCK = INTERNAL CLOCK ÷ 32;
32 POSSIBLE START POINTS
LATEST
EARLIEST
SPSCK = INTERNAL CLOCK ÷ 128;
128 POSSIBLE START POINTS
LATEST
Figure 20-7. Transmission Start Delay (Master)
Technical Data
308
MC68HC908GR8 — Rev 4.0
Serial Peripheral Interface (SPI)
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