MC9S08SG8 Datasheet, PDF (13/310 Pages) Freescale Semiconductor, Inc – Microcontrollers

Section Number
Title
Page
9.6 Application Information ................................................................................................................138
9.6.1 External Pins and Routing ..............................................................................................138
9.6.2 Sources of Error ..............................................................................................................140
Chapter 10
Internal Clock Source (S08ICSV2)
10.1 Introduction ...................................................................................................................................143
10.1.1 Module Configuration .....................................................................................................143
10.1.2 Features ...........................................................................................................................145
10.1.3 Block Diagram ................................................................................................................145
10.1.4 Modes of Operation ........................................................................................................146
10.2 External Signal Description ..........................................................................................................147
10.3 Register Definition ........................................................................................................................147
10.3.1 ICS Control Register 1 (ICSC1) .....................................................................................148
10.3.2 ICS Control Register 2 (ICSC2) .....................................................................................149
10.3.3 ICS Trim Register (ICSTRM) .........................................................................................150
10.3.4 ICS Status and Control (ICSSC) .....................................................................................150
10.4 Functional Description ..................................................................................................................151
10.4.1 Operational Modes ..........................................................................................................151
10.4.2 Mode Switching ..............................................................................................................153
10.4.3 Bus Frequency Divider ...................................................................................................154
10.4.4 Low Power Bit Usage .....................................................................................................154
10.4.5 Internal Reference Clock ................................................................................................154
10.4.6 Optional External Reference Clock ................................................................................154
10.4.7 Fixed Frequency Clock ...................................................................................................155
Chapter 11
Inter-Integrated Circuit (S08IICV2)
11.1 Introduction ...................................................................................................................................157
11.1.1 Module Configuration .....................................................................................................157
11.1.2 Features ...........................................................................................................................161
11.1.3 Modes of Operation ........................................................................................................161
11.1.4 Block Diagram ................................................................................................................162
11.2 External Signal Description ..........................................................................................................162
11.2.1 SCL — Serial Clock Line ...............................................................................................162
11.2.2 SDA — Serial Data Line ................................................................................................162
11.3 Register Definition ........................................................................................................................163
11.3.1 IIC Address Register (IICA) ...........................................................................................163
11.3.2 IIC Frequency Divider Register (IICF) ...........................................................................164
11.3.3 IIC Control Register (IICC1) ..........................................................................................166
11.3.4 IIC Status Register (IICS) ...............................................................................................167
11.3.5 IIC Data I/O Register (IICD) ..........................................................................................168
MC9S08SG8 MCU Series Data Sheet, Rev. 0
Freescale Semiconductor
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