MC9S08DZ96F2CLL datasheet(16/458 Pages) FREESCALE

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MC9S08DZ128 Series Data Sheet, Rev. 1

Freescale Semiconductor

Section Number

Title

Page

13.2 External Signal Description ...........................................................................................................312

13.2.1 SPSCK — SPI Serial Clock ............................................................................................312

13.2.2 MOSI — Master Data Out, Slave Data In ......................................................................312

13.2.3 MISO — Master Data In, Slave Data Out ......................................................................312

13.2.4 SS — Slave Select ...........................................................................................................312

13.3 Modes of Operation........................................................................................................................313

13.3.1 SPI in Stop Modes ..........................................................................................................313

13.4 Register Deﬁnition .........................................................................................................................313

13.4.1 SPI Control Register 1 (SPIxC1) ....................................................................................313

13.4.2 SPI Control Register 2 (SPIxC2) ....................................................................................314

13.4.3 SPI Baud Rate Register (SPIxBR) ..................................................................................315

13.4.4 SPI Status Register (SPIxS) ............................................................................................316

13.4.5 SPI Data Register (SPIxD) ..............................................................................................317

13.5 Functional Description ...................................................................................................................318

13.5.1 SPI Clock Formats ..........................................................................................................318

13.5.2 SPI Interrupts ..................................................................................................................321

13.5.3 Mode Fault Detection .....................................................................................................321

Chapter 14

Serial Communications Interface (S08SCIV4)

14.1 Introduction ....................................................................................................................................323

14.1.1 SCI2 Conﬁguration Information .....................................................................................323

14.1.2 Features ...........................................................................................................................325

14.1.3 Modes of Operation ........................................................................................................325

14.1.4 Block Diagram ................................................................................................................326

14.2 Register Deﬁnition .........................................................................................................................328

14.2.1 SCI Baud Rate Registers (SCIxBDH, SCIxBDL) ..........................................................328

14.2.2 SCI Control Register 1 (SCIxC1) ...................................................................................329

14.2.3 SCI Control Register 2 (SCIxC2) ...................................................................................330

14.2.4 SCI Status Register 1 (SCIxS1) ......................................................................................331

14.2.5 SCI Status Register 2 (SCIxS2) ......................................................................................333

14.2.6 SCI Control Register 3 (SCIxC3) ...................................................................................334

14.2.7 SCI Data Register (SCIxD) .............................................................................................335

14.3 Functional Description ...................................................................................................................335

14.3.1 Baud Rate Generation .....................................................................................................335

14.3.2 Transmitter Functional Description ................................................................................336

14.3.3 Receiver Functional Description .....................................................................................337

14.3.4 Interrupts and Status Flags ..............................................................................................339

14.3.5 Additional SCI Functions ...............................................................................................340

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