MC9S08SG8 Datasheet, PDF (15/310 Pages) Freescale Semiconductor, Inc – Microcontrollers

Section Number
Title
Page
Chapter 14
Serial Communications Interface (S08SCIV4)
14.1 Introduction ...................................................................................................................................199
14.1.1 Features ...........................................................................................................................200
14.1.2 Modes of Operation ........................................................................................................200
14.1.3 Block Diagram ................................................................................................................201
14.2 Register Definition ........................................................................................................................203
14.2.1 SCI Baud Rate Registers (SCIBDH, SCIBDL) ..............................................................203
14.2.2 SCI Control Register 1 (SCIC1) .....................................................................................204
14.2.3 SCI Control Register 2 (SCIC2) .....................................................................................205
14.2.4 SCI Status Register 1 (SCIS1) ........................................................................................206
14.2.5 SCI Status Register 2 (SCIS2) ........................................................................................208
14.2.6 SCI Control Register 3 (SCIC3) .....................................................................................209
14.2.7 SCI Data Register (SCID) ...............................................................................................210
14.3 Functional Description ..................................................................................................................210
14.3.1 Baud Rate Generation .....................................................................................................210
14.3.2 Transmitter Functional Description ................................................................................211
14.3.3 Receiver Functional Description .....................................................................................212
14.3.4 Interrupts and Status Flags ..............................................................................................214
14.3.5 Additional SCI Functions ...............................................................................................215
Chapter 15
Serial Peripheral Interface (S08SPIV3)
15.1 Introduction ...................................................................................................................................217
15.1.1 Features ...........................................................................................................................219
15.1.2 Block Diagrams ..............................................................................................................219
15.1.3 SPI Baud Rate Generation ..............................................................................................221
15.2 External Signal Description ..........................................................................................................222
15.2.1 SPSCK — SPI Serial Clock ............................................................................................222
15.2.2 MOSI — Master Data Out, Slave Data In ......................................................................222
15.2.3 MISO — Master Data In, Slave Data Out ......................................................................222
15.2.4 SS — Slave Select ...........................................................................................................222
15.3 Modes of Operation .......................................................................................................................223
15.3.1 SPI in Stop Modes ..........................................................................................................223
15.4 Register Definition ........................................................................................................................223
15.4.1 SPI Control Register 1 (SPIC1) ......................................................................................223
15.4.2 SPI Control Register 2 (SPIC2) ......................................................................................224
15.4.3 SPI Baud Rate Register (SPIBR) ....................................................................................225
15.4.4 SPI Status Register (SPIS) ..............................................................................................226
15.4.5 SPI Data Register (SPID) ................................................................................................227
15.5 Functional Description ..................................................................................................................228
15.5.1 SPI Clock Formats ..........................................................................................................228
MC9S08SG8 MCU Series Data Sheet, Rev. 0
Freescale Semiconductor
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