MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 204

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

SPI
Functional Description
MC68HC708XL36
204
RECEIVER/ERROR CPU INTERRUPT REQUEST
SPMSTR
BUS CLOCK
DIVIDER
CLOCK
TRANSMITTER CPU INTERRUPT REQUEST
TRANSMITTER DMA SERVICE REQUEST
RECEIVER DMA SERVICE REQUEST
SPE
128
32
2
2
8
SPR1
Figure 1
locations and contents of the SPI I/O registers.
SELECT
CLOCK
Freescale Semiconductor, Inc.
SPR0
Figure 1. SPI Module Block Diagram
For More Information On This Product,
shows the structure of the SPI module and
7
Go to: www.freescale.com
CONTROL
TRANSMIT DATA REGISTER
RECEIVE DATA REGISTER
6
SPI
SHIFT REGISTER
INTERNAL BUS
5
4
SPI
3
OVRF
MODF
SPRF
SPTE
SPMSTR
2
1
MODFEN
ERRIE
SPRIE
SPTIE
DMAS
SPE
0
CLOCK
LOGIC
CPHA
CPOL
SPWOM
M
S
CONTROL
LOGIC
PIN
Figure 2
MISO
MOSI
SPSCK
SS
MOTOROLA
shows the
4-spi_c