mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 252

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mc68hc708mp16

Manufacturer Part Number
mc68hc708mp16
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Serial Peripheral Interface Module (SPI)
13.2 Introduction
13.3 Features
Technical Data
252
13.14 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
13.14.1
13.14.2
13.14.3
The SPI allows full-duplex, synchronous, serial communications with
peripheral devices.
Features of the SPI module include the following:
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
Clock ground for reduced radio frequency (RF) interference
Serial clock with programmable polarity and phase
Two separately enabled interrupts with CPU service:
– SPRF (SPI receiver full)
– SPTE (SPI transmitter empty)
Mode fault error flag with cpu interrupt capability
Overflow error flag with CPU interrupt capability
Programmable wired-OR mode
I
2
Serial Peripheral Interface Module (SPI)
C (inter-integrated circuit) compatibility
SPI Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
SPI Status and Control Register . . . . . . . . . . . . . . . . . . . .279
SPI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
MC68HC708MP16
Freescale Semiconductor
Rev. 3.1

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