R5F7131 Просмотр технического описания (PDF) - Renesas Electronics

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R5F7131

Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Renesas Electronics 

3.3.3 Mode 3 (Single Chip Mode) ................................................................................... 51

3.4 Address Map ........................................................................................................................ 52

3.5 Initial State in This LSI........................................................................................................ 56

3.6 Note on Changing Operating Mode ..................................................................................... 56

Section 4 Clock Pulse Generator (CPG) .............................................................57

4.1 Features................................................................................................................................ 57

4.2 Input/Output Pins................................................................................................................. 61

4.3 Clock Operating Mode......................................................................................................... 62

4.4 Register Descriptions ........................................................................................................... 67

4.4.1 Frequency Control Register (FRQCR) ................................................................... 67

4.4.2 Oscillation Stop Detection Control Register (OSCCR) .......................................... 70

4.5 Changing Frequency ............................................................................................................ 71

4.6 Oscillator.............................................................................................................................. 72

4.6.1 Connecting Crystal Resonator ................................................................................ 72

4.6.2 External Clock Input Method.................................................................................. 73

4.7 Function for Detecting Oscillator Stop ................................................................................ 74

4.8 Usage Notes ......................................................................................................................... 75

4.8.1 Note on Crystal Resonator ...................................................................................... 75

4.8.2 Notes on Board Design ........................................................................................... 75

Section 5 Exception Handling .............................................................................77

5.1 Overview.............................................................................................................................. 77

5.1.1 Types of Exception Handling and Priority ............................................................. 77

5.1.2 Exception Handling Operations.............................................................................. 78

5.1.3 Exception Handling Vector Table .......................................................................... 79

5.2 Resets................................................................................................................................... 81

5.2.1 Types of Resets....................................................................................................... 81

5.2.2 Power-On Reset ...................................................................................................... 81

5.2.3 Manual Reset .......................................................................................................... 82

5.3 Address Errors ..................................................................................................................... 83

5.3.1 Address Error Sources ............................................................................................ 83

5.3.2 Address Error Exception Source............................................................................. 84

5.4 Interrupts.............................................................................................................................. 85

5.4.1 Interrupt Sources..................................................................................................... 85

5.4.2 Interrupt Priority ..................................................................................................... 86

5.4.3 Interrupt Exception Handling ................................................................................. 86

5.5 Exceptions Triggered by Instructions .................................................................................. 87

5.5.1 Types of Exceptions Triggered by Instructions ...................................................... 87

5.5.2 Trap Instructions..................................................................................................... 87

Rev. 3.00 Jan. 18, 2010 Page viii of xxiv

REJ09B0402-0300

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