mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 215

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

5-spi
MOTOROLA
SPMSTR
RECEIVER/ERROR CPU INTERRUPT REQUEST
DIVIDER
CLOCK
TRANSMITTER CPU INTERRUPT REQUEST
BUS CLOCK
SPE
128
32
2
8
SPR1
The SPI module allows full-duplex, synchronous, serial communication
between the MCU and peripheral devices, including other MCUs.
Software can poll the SPI status flags or SPI operation can be interrupt
driven. All SPI interrupts can be serviced by the CPU.
The following paragraphs describe the operation of the SPI module.
SELECT
CLOCK
Freescale Semiconductor, Inc.
SPR0
Figure 1. SPI Module Block Diagram
For More Information On This Product,
Serial Peripheral Interface Module (SPI)
7
Go to: www.freescale.com
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
Serial Peripheral Interface Module (SPI)
CPOL
SPWOM
M
S
CONTROL
LOGIC
PIN
MC68HC08AZ60 — Rev 1.0
Functional Description
MISO
MOSI
SPSCK
SS
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