s908az32ag2cfue Freescale Semiconductor, Inc, s908az32ag2cfue Datasheet - Page 167

• Manufacturer Part Number: s908az32ag2cfue
• Description: M68hc08 Microcontrollers 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
SPMSTR
RECEIVER/ERROR CPU INTERRUPT REQUEST
DIVIDER
CLOCK
TRANSMITTER CPU INTERRUPT REQUEST
BUS CLOCK
÷ 128
SPE
÷ 32
÷ 2
÷ 8
SPR1
SELECT
CLOCK
SPR0
Figure 17-2. SPI Module Block Diagram
MC68HC908AZ32A Data Sheet, Rev. 2
7
CONTROL
TRANSMIT DATA REGISTER
RECEIVE DATA REGISTER
6
SPI
SHIFT REGISTER
INTERNAL BUS
5
4
3
MODF
OVRF
SPRF
SPTE
SPMSTR
2
1
MODFEN
ERRIE
SPTIE
SPRIE
SPE
0
CLOCK
LOGIC
CPHA
CPOL
SPWOM
M
S
CONTROL
LOGIC
PIN
Functional Description
MISO
MOSI
SPSCK
SS
167