M68ICS08GR datasheet(297/408 Pages) FREESCALE

297 / 408 page

MC68HC908GR8 — Rev 4.0

Technical Data

MOTOROLA

Serial Peripheral Interface (SPI)

297

Technical Data — MC68HC908GR8

Section 20. Serial Peripheral Interface (SPI)

20.1 Contents

20.2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

20.3

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

20.4

Pin Name Conventions and I/O Register Addresses . . . . . . . 298

20.5

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299

20.6

Transmission Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

20.7

Queuing Transmission Data . . . . . . . . . . . . . . . . . . . . . . . . . . 309

20.8

Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310

20.9

Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

20.10 Resetting the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316

20.11 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .317

20.12 SPI During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . .318

20.13 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318

20.14 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

20.2 Introduction

This section describes the serial peripheral interface (SPI) module,

which allows full-duplex, synchronous, serial communications with

peripheral devices.

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M68ICS08GR Datasheet(PDF) 297 Page - Freescale Semiconductor, Inc