MC9S08AC16_09 Datasheet, PDF (15/330 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Section Number
Title
Page
Chapter 12
Serial Peripheral Interface (S08SPIV3)
12.1 Introduction ...................................................................................................................................209
12.1.1 Features ...........................................................................................................................211
12.1.2 Block Diagrams ..............................................................................................................211
12.1.3 SPI Baud Rate Generation ..............................................................................................213
12.2 External Signal Description ..........................................................................................................214
12.2.1 SPSCK — SPI Serial Clock ............................................................................................214
12.2.2 MOSI — Master Data Out, Slave Data In ......................................................................214
12.2.3 MISO — Master Data In, Slave Data Out ......................................................................214
12.2.4 SS — Slave Select ..........................................................................................................214
12.3 Modes of Operation .......................................................................................................................215
12.3.1 SPI in Stop Modes ..........................................................................................................215
12.4 Register Definition ........................................................................................................................215
12.4.1 SPI Control Register 1 (SPI1C1) ....................................................................................215
12.4.2 SPI Control Register 2 (SPI1C2) ....................................................................................216
12.4.3 SPI Baud Rate Register (SPI1BR) ..................................................................................217
12.4.4 SPI Status Register (SPI1S) ............................................................................................218
12.4.5 SPI Data Register (SPI1D) .............................................................................................219
12.5 Functional Description ..................................................................................................................220
12.5.1 SPI Clock Formats ..........................................................................................................220
12.5.2 SPI Interrupts ..................................................................................................................223
12.5.3 Mode Fault Detection .....................................................................................................223
Chapter 13
Inter-Integrated Circuit (S08IICV2)
13.1 Introduction ...................................................................................................................................225
13.1.1 Features ...........................................................................................................................227
13.1.2 Modes of Operation ........................................................................................................227
13.1.3 Block Diagram ................................................................................................................227
13.2 External Signal Description ..........................................................................................................228
13.2.1 SCL — Serial Clock Line ...............................................................................................228
13.2.2 SDA — Serial Data Line ................................................................................................228
13.3 Register Definition ........................................................................................................................228
13.3.1 IIC Address Register (IIC1A) .........................................................................................229
13.3.2 IIC Frequency Divider Register (IIC1F) ........................................................................229
13.3.3 IIC Control Register (IIC1C1) ........................................................................................232
13.3.4 IIC Status Register (IIC1S) .............................................................................................232
13.3.5 IIC Data I/O Register (IIC1D) ........................................................................................233
13.3.6 IIC Control Register 2 (IIC1C2) .....................................................................................234
13.4 Functional Description ..................................................................................................................235
13.4.1 IIC Protocol .....................................................................................................................235
MC9S08AC16 Series Data Sheet, Rev. 8
Freescale Semiconductor
15