SH7137 Datasheet, PDF (10/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

3.3.2 Mode 2 (MCU Extension Mode 2) ......................................................................... 51
3.3.3 Mode 3 (Single Chip Mode) ................................................................................... 51
3.4 Address Map ........................................................................................................................ 52
3.5 Initial State in This LSI........................................................................................................ 54
3.6 Note on Changing Operating Mode ..................................................................................... 54
Section 4 Clock Pulse Generator (CPG) ............................................................. 55
4.1 Features................................................................................................................................ 55
4.2 Input/Output Pins................................................................................................................. 59
4.3 Clock Operating Mode......................................................................................................... 60
4.4 Register Descriptions........................................................................................................... 65
4.4.1 Frequency Control Register (FRQCR) ................................................................... 65
4.4.2 Oscillation Stop Detection Control Register (OSCCR) .......................................... 68
4.5 Changing Frequency ............................................................................................................ 69
4.6 Oscillator.............................................................................................................................. 70
4.6.1 Connecting Crystal Resonator ................................................................................ 70
4.6.2 External Clock Input Method ................................................................................. 71
4.7 Function for Detecting Oscillator Stop ................................................................................ 72
4.8 Usage Notes ......................................................................................................................... 73
4.8.1 Note on Crystal Resonator...................................................................................... 73
4.8.2 Notes on Board Design ........................................................................................... 73
Section 5 Exception Handling ............................................................................. 75
5.1 Overview.............................................................................................................................. 75
5.1.1 Types of Exception Handling and Priority ............................................................. 75
5.1.2 Exception Handling Operations.............................................................................. 76
5.1.3 Exception Handling Vector Table .......................................................................... 77
5.2 Resets................................................................................................................................... 79
5.2.1 Types of Resets....................................................................................................... 79
5.2.2 Power-On Reset ...................................................................................................... 79
5.2.3 Manual Reset .......................................................................................................... 80
5.3 Address Errors ..................................................................................................................... 81
5.3.1 Address Error Sources ............................................................................................ 81
5.3.2 Address Error Exception Source............................................................................. 82
5.4 Interrupts.............................................................................................................................. 83
5.4.1 Interrupt Sources..................................................................................................... 83
5.4.2 Interrupt Priority ..................................................................................................... 84
5.4.3 Interrupt Exception Handling ................................................................................. 84
5.5 Exceptions Triggered by Instructions .................................................................................. 85
5.5.1 Types of Exceptions Triggered by Instructions ...................................................... 85
Rev. 2.00 Sep. 10, 2008 Page x of xxvi