SH7147 datasheet(8/1108 Pages) RENESAS

8 / 1108 page

Rev. 3.00 Oct. 06, 2008 Page viii of xxiv

REJ09B0230-0300

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.......................................................................................................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 .......................................................................................................... 66

4.4.1

Frequency Control Register (FRQCR) ............................................................... 66

4.4.2

Oscillation Stop Detection Control Register (OSCCR) ...................................... 69

4.5

Changing Frequency ........................................................................................................... 70

4.6

Oscillator ............................................................................................................................ 71

4.6.1

Connecting Crystal Resonator ............................................................................ 71

4.6.2

External Clock Input Method.............................................................................. 72

4.7

Function for Detecting Oscillator Stop ............................................................................... 73

4.8

Usage Notes ........................................................................................................................ 74

4.8.1

Note on Crystal Resonator .................................................................................. 74

4.8.2

Notes on Board Design ....................................................................................... 74

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

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