H83062 datasheet(13/1021 Pages) RENESAS

13 / 1021 page

Rev. 6.00 Mar 18, 2005 page xiii of xlviii

Section 4 Exception Handling ......................................................................................... 87

4.1

Overview...........................................................................................................................

4.1.1

Exception Handling Types and Priority...............................................................

4.1.2

Exception Handling Operation ............................................................................

4.1.3

Exception Vector Table .......................................................................................

4.2

Reset90

4.2.1

Overview..............................................................................................................

4.2.2

Reset Sequence ....................................................................................................

4.2.3

Interrupts after Reset............................................................................................

4.3

Interrupts...........................................................................................................................

4.4

Trap Instruction ................................................................................................................

4.5

Stack Status after Exception Handling..............................................................................

4.6

Notes on Stack Usage .......................................................................................................

Section 5 Interrupt Controller .......................................................................................... 99

5.1

Overview...........................................................................................................................

5.1.1

Features................................................................................................................

5.1.2

Block Diagram..................................................................................................... 100

5.1.3

Pin Configuration ................................................................................................ 101

5.1.4

5.2

Register Descriptions........................................................................................................ 101

5.2.1

System Control Register (SYSCR) ...................................................................... 101

5.2.2

Interrupt Priority Registers A and B (IPRA, IPRB)............................................. 102

5.2.3

IRQ Status Register (ISR).................................................................................... 108

5.2.4

IRQ Enable Register (IER) .................................................................................. 109

5.2.5

IRQ Sense Control Register (ISCR) .................................................................... 110

5.3

Interrupt Sources............................................................................................................... 111

5.3.1

External Interrupts ............................................................................................... 111

5.3.2

Internal Interrupts ................................................................................................ 112

5.3.3

Interrupt Exception Handling Vector Table......................................................... 112

5.4

Interrupt Operation ........................................................................................................... 116

5.4.1

Interrupt Handling Process .................................................................................. 116

5.4.2

Interrupt Exception Handling Sequence .............................................................. 121

5.4.3

Interrupt Response Time...................................................................................... 122

5.5

Usage Notes ...................................................................................................................... 123

5.5.1

Contention between Interrupt and Interrupt-Disabling Instruction...................... 123

5.5.2

Instructions that Inhibit Interrupts ....................................................................... 124

5.5.3

Interrupts during EEPMOV Instruction Execution.............................................. 124

H83062 Datasheet(PDF) 13 Page - Renesas Technology Corp

H83062 Datasheet(HTML) 13 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL