MC9S08QG8_09 Datasheet, PDF (15/314 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Section Number
Title
Page
9.6.1 External Pins and Routing ...............................................................................................137
9.6.2 Sources of Error ...............................................................................................................139
Chapter 10
Internal Clock Source (S08ICSV1)
10.1 Introduction ................................................................................................................................... 143
10.1.1 Module Configuration......................................................................................................143
10.1.2 Factory Trim Value ..........................................................................................................143
10.1.3 Features ............................................................................................................................145
10.1.4 Modes of Operation .........................................................................................................145
10.1.5 Block Diagram .................................................................................................................146
10.2 External Signal Description .......................................................................................................... 147
10.3 Register Definition ........................................................................................................................ 147
10.3.1 ICS Control Register 1 (ICSC1) ......................................................................................147
10.3.2 ICS Control Register 2 (ICSC2) ......................................................................................148
10.3.3 ICS Trim Register (ICSTRM)..........................................................................................149
10.3.4 ICS Status and Control (ICSSC)......................................................................................149
10.4 Functional Description .................................................................................................................. 150
10.4.1 Operational Modes...........................................................................................................150
10.4.2 Mode Switching ...............................................................................................................152
10.4.3 Bus Frequency Divider ....................................................................................................152
10.4.4 Low Power Bit Usage ......................................................................................................153
10.4.5 Internal Reference Clock .................................................................................................153
10.4.6 Optional External Reference Clock .................................................................................153
10.4.7 Fixed Frequency Clock ....................................................................................................153
Chapter 11
Inter-Integrated Circuit (S08IICV1)
11.1 Introduction ................................................................................................................................... 155
11.1.1 Module Configuration......................................................................................................155
11.1.2 Features ............................................................................................................................157
11.1.3 Modes of Operation .........................................................................................................157
11.1.4 Block Diagram .................................................................................................................158
11.2 External Signal Description .......................................................................................................... 158
11.2.1 SCL — Serial Clock Line ................................................................................................158
11.2.2 SDA — Serial Data Line .................................................................................................158
11.3 Register Definition ........................................................................................................................ 158
11.3.1 IIC Address Register (IICA)............................................................................................159
11.3.2 IIC Frequency Divider Register (IICF) ...........................................................................159
11.3.3 IIC Control Register (IICC) .............................................................................................162
11.3.4 IIC Status Register (IICS)................................................................................................163
11.3.5 IIC Data I/O Register (IICD) ...........................................................................................164
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
Freescale Semiconductor
13