Datasheet

MC9S08SG32 Data Sheet, Rev. 8
16 Freescale Semiconductor
Section Number Title Page
11.3.1 ICS Control Register 1 (ICSC1) ..................................................................................... 176
11.3.2 ICS Control Register 2 (ICSC2) ..................................................................................... 177
11.3.3 ICS Trim Register (ICSTRM)......................................................................................... 178
11.3.4 ICS Status and Control (ICSSC)..................................................................................... 178
11.4 Functional Description .................................................................................................................. 179
11.4.1 Operational Modes.......................................................................................................... 179
11.4.2 Mode Switching.............................................................................................................. 181
11.4.3 Bus Frequency Divider ................................................................................................... 182
11.4.4 Low Power Bit Usage ..................................................................................................... 182
11.4.5 Internal Reference Clock ................................................................................................ 182
11.4.6 Optional External Reference Clock ................................................................................ 182
11.4.7 Fixed Frequency Clock................................................................................................... 183
Chapter 12
Modulo Timer (S08MTIMV1)
12.1 Introduction ................................................................................................................................... 185
12.1.1 MTIM Configuration Information .................................................................................. 185
12.1.2 Features........................................................................................................................... 187
12.1.3 Modes of Operation ........................................................................................................ 187
12.1.4 Block Diagram................................................................................................................ 188
12.2 External Signal Description .......................................................................................................... 188
12.3 Register Definition ........................................................................................................................ 189
12.3.1 MTIM Status and Control Register (MTIMSC)............................................................. 190
12.3.2 MTIM Clock Configuration Register (MTIMCLK)....................................................... 191
12.3.3 MTIM Counter Register (MTIMCNT)........................................................................... 192
12.3.4 MTIM Modulo Register (MTIMMOD).......................................................................... 192
12.4 Functional Description .................................................................................................................. 193
12.4.1 MTIM Operation Example ............................................................................................. 194
Chapter 13
Real-Time Counter (S08RTCV1)
13.1 Introduction ................................................................................................................................... 195
13.1.1 Features........................................................................................................................... 197
13.1.2 Modes of Operation ........................................................................................................ 197
13.1.3 Block Diagram................................................................................................................ 198
13.2 External Signal Description .......................................................................................................... 198
13.3 Register Definition ........................................................................................................................ 198
13.3.1 RTC Status and Control Register (RTCSC).................................................................... 199
13.3.2 RTC Counter Register (RTCCNT).................................................................................. 200
13.3.3 RTC Modulo Register (RTCMOD) ................................................................................ 200
13.4 Functional Description .................................................................................................................. 200
13.4.1 RTC Operation Example................................................................................................. 201