mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 205
mc68hc908gr8vp
Manufacturer Part Number
mc68hc908gr8vp
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908GR8VP.pdf
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Chapter 20
Serial Peripheral Interface (SPI)
20.1 Introduction
This section describes the serial peripheral interface (SPI) module, which allows full-duplex, synchronous,
serial communications with peripheral devices.
20.2 Features
Features of the SPI module include:
Freescale Semiconductor
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Full-duplex operation
Master and slave modes
Double-buffered operation with separate transmit and receive registers
Four master mode frequencies (maximum = bus frequency ÷ 2)
Maximum slave mode frequency = bus frequency
Serial clock with programmable polarity and phase
Two separately enabled interrupts:
–
–
Mode fault error flag with CPU interrupt capability
Overflow error flag with CPU interrupt capability
Programmable wired-OR mode
I/O (input/output) port bit(s) software configurable with pullup device(s) if configured as input port
bit(s)
SPRF (SPI receiver full)
SPTE (SPI transmitter empty)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
205
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