Section Number

Title

Page

 

15.2.3

SCI Control Register 2 (SCIxC2)

300

 

15.2.4

SCI Status Register 1 (SCIxS1)

301

 

15.2.5

SCI Status Register 2 (SCIxS2)

303

 

15.2.6

SCI Control Register 3 (SCIxC3)

304

 

15.2.7 SCI Data Register (SCIxD)

305

15.3

Functional Description

305

 

15.3.1 Baud Rate Generation

305

 

15.3.2

Transmitter Functional Description

306

 

 

15.3.2.1 Send Break and Queued Idle

306

 

15.3.3

Receiver Functional Description

307

 

 

15.3.3.1

Data Sampling Technique

307

 

 

15.3.3.2

Receiver Wakeup Operation

308

 

 

15.3.3.2.1Idle-Line Wakeup

308

 

 

15.3.3.2.2Address-Mark Wakeup

309

 

15.3.4

Interrupts and Status Flags

309

 

15.3.5

Additional SCI Functions

310

 

 

15.3.5.1 8- and 9-Bit Data Modes

310

 

 

15.3.5.2

Stop Mode Operation

310

 

 

15.3.5.3

Loop Mode

310

 

 

15.3.5.4

Single-Wire Operation

311

 

 

 

Chapter 16

 

16.1

Introduction

Serial Peripheral Interface (S08SPIV3)

313

 

 

16.1.1 SPI Clock Gating

313

 

16.1.2

Interrupt Vector

313

 

16.1.3

Features

317

 

16.1.4 Block Diagrams

317

 

 

16.1.4.1 SPI System Block Diagram

317

 

 

16.1.4.2 SPI Module Block Diagram

318

 

16.1.5 SPI Baud Rate Generation

319

16.2

External Signal Description

320

 

16.2.1 SPSCK — SPI Serial Clock

320

 

16.2.2 MOSI — Master Data Out, Slave Data In

320

 

16.2.3 MISO — Master Data In, Slave Data Out

320

 

16.2.4 SS — Slave Select

320

16.3

Modes of Operation

.......................................................................................................................

321

 

16.3.1 SPI in Stop Modes

321

16.4

Register Definition

321

 

16.4.1

SPI Control Register 1 (SPIxC1)

321

 

16.4.2

SPI Control Register 2 (SPIxC2)

322

 

16.4.3 SPI Baud Rate Register (SPIxBR)

323

 

 

 

MCF51QE128 MCU Series Reference Manual, Rev. 3

 

 

 

 

Freescale Semiconductor

 

19

 

 

 

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Freescale Semiconductor MCF51QE128RM manual Serial Peripheral Interface S08SPIV3