Datasheet

MC9S08JM60 Series Data Sheet, Rev. 3
14 Freescale Semiconductor
11.6 Interrupts .......................................................................................................................................175
11.6.1 Byte Transfer Interrupt ....................................................................................................175
11.6.2 Address Detect Interrupt .................................................................................................176
11.6.3 Arbitration Lost Interrupt ................................................................................................176
11.7 Initialization/Application Information ..........................................................................................177
Chapter 12
Multi-Purpose Clock Generator (S08MCGV1)
12.1 Introduction ...................................................................................................................................181
12.1.1 Features ...........................................................................................................................183
12.1.2 Modes of Operation ........................................................................................................185
12.2 External Signal Description ..........................................................................................................185
12.3 Register Definition ........................................................................................................................186
12.3.1 MCG Control Register 1 (MCGC1) ...............................................................................186
12.3.2 MCG Control Register 2 (MCGC2) ...............................................................................187
12.3.3 MCG Trim Register (MCGTRM) ...................................................................................188
12.3.4 MCG Status and Control Register (MCGSC) .................................................................189
12.3.5 MCG Control Register 3 (MCGC3) ...............................................................................190
12.4 Functional Description ..................................................................................................................192
12.4.1 Operational Modes ..........................................................................................................192
12.4.2 Mode Switching ..............................................................................................................196
12.4.3 Bus Frequency Divider ...................................................................................................196
12.4.4 Low Power Bit Usage .....................................................................................................197
12.4.5 Internal Reference Clock ................................................................................................197
12.4.6 External Reference Clock ...............................................................................................197
12.4.7 Fixed Frequency Clock ...................................................................................................197
12.5 Initialization / Application Information ........................................................................................198
12.5.1 MCG Module Initialization Sequence ............................................................................198
12.5.2 MCG Mode Switching ....................................................................................................199
12.5.3 Calibrating the Internal Reference Clock (IRC) .............................................................210
Chapter 13
Real-Time Counter (S08RTCV1)
13.1 Introduction ...................................................................................................................................213
13.1.1 Features ...........................................................................................................................215
13.1.2 Modes of Operation ........................................................................................................215
13.1.3 Block Diagram ................................................................................................................216
13.2 External Signal Description ..........................................................................................................216
13.3 Register Definition ........................................................................................................................216
13.3.1 RTC Status and Control Register (RTCSC) ....................................................................217
13.3.2 RTC Counter Register (RTCCNT) ..................................................................................218
13.3.3 RTC Modulo Register (RTCMOD) ................................................................................218
13.4 Functional Description ..................................................................................................................218
13.4.1 RTC Operation Example .................................................................................................219
13.5 Initialization/Application Information ..........................................................................................220