MC9S08QG8 Datasheet, PDF (13/300 Pages) Freescale Semiconductor, Inc – 8-BIT HCS08 Central Processor Unit

Section Number
Title
Page
9.6 Application Information ................................................................................................................135
9.6.1 External Pins and Routing ..............................................................................................135
9.6.2 Sources of Error ..............................................................................................................137
Chapter 10
Internal Clock Source (S08ICSV1)
10.1 Introduction ...................................................................................................................................141
10.1.1 Module Configuration .....................................................................................................141
10.1.2 Features ...........................................................................................................................143
10.1.3 Modes of Operation ........................................................................................................143
10.1.4 Block Diagram ................................................................................................................144
10.2 External Signal Description ..........................................................................................................145
10.3 Register Definition ........................................................................................................................145
10.3.1 ICS Control Register 1 (ICSC1) .....................................................................................145
10.3.2 ICS Control Register 2 (ICSC2) .....................................................................................146
10.3.3 ICS Trim Register (ICSTRM) .........................................................................................147
10.3.4 ICS Status and Control (ICSSC) .....................................................................................147
10.4 Functional Description ..................................................................................................................148
10.4.1 Operational Modes ..........................................................................................................148
10.4.2 Mode Switching ..............................................................................................................150
10.4.3 Bus Frequency Divider ...................................................................................................150
10.4.4 Low Power Bit Usage .....................................................................................................151
10.4.5 Internal Reference Clock ................................................................................................151
10.4.6 Optional External Reference Clock ................................................................................151
10.4.7 Fixed Frequency Clock ...................................................................................................152
10.5 Module Initialization ....................................................................................................................152
10.5.1 ICS Module Initialization Sequence ...............................................................................152
Chapter 11
Inter-Integrated Circuit (S08IICV1)
11.1 Introduction ...................................................................................................................................155
11.1.1 Module Configuration .....................................................................................................155
11.1.2 Features ...........................................................................................................................159
11.1.3 Modes of Operation ........................................................................................................159
11.1.4 Block Diagram ................................................................................................................160
11.2 External Signal Description ..........................................................................................................160
11.2.1 SCL — Serial Clock Line ...............................................................................................160
11.2.2 SDA — Serial Data Line ................................................................................................160
11.3 Register Definition ........................................................................................................................160
11.3.1 IIC Address Register (IICA) ...........................................................................................161
11.3.2 IIC Frequency Divider Register (IICF) ...........................................................................161
11.3.3 IIC Control Register (IICC) ............................................................................................164
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 1.01
Freescale Semiconductor
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