HD6432633 Datasheet, PDF (34/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

2.9 Basic Timing..................................................................................................................... 91
2.9.1 Overview ............................................................................................................. 91
2.9.2 On-Chip Memory (ROM, RAM) ........................................................................ 91
2.9.3 On-Chip Supporting Module Access Timing...................................................... 93
2.9.4 External Address Space Access Timing.............................................................. 94
2.10 Usage Note ....................................................................................................................... 94
2.10.1 TAS Instruction ................................................................................................... 94
Section 3 MCU Operating Modes ............................................................................... 95
3.1 Overview........................................................................................................................... 95
3.1.1 Operating Mode Selection................................................................................... 95
3.1.2 Register Configuration ........................................................................................ 96
3.2 Register Descriptions........................................................................................................ 96
3.2.1 Mode Control Register (MDCR)......................................................................... 96
3.2.2 System Control Register (SYSCR) ..................................................................... 97
3.2.3 Pin Function Control Register (PFCR) ............................................................... 99
3.3 Operating Mode Descriptions........................................................................................... 102
3.3.1 Mode 4................................................................................................................. 102
3.3.2 Mode 5................................................................................................................. 102
3.3.3 Mode 6................................................................................................................. 102
3.3.4 Mode 7................................................................................................................. 102
3.4 Pin Functions in Each Operating Mode............................................................................ 103
3.5 Address Map in Each Operating Mode............................................................................. 103
Section 4 Exception Handling....................................................................................... 109
4.1 Overview........................................................................................................................... 109
4.1.1 Exception Handling Types and Priority .............................................................. 109
4.1.2 Exception Handling Operation ............................................................................ 110
4.1.3 Exception Vector Table....................................................................................... 110
4.2 Reset ................................................................................................................................. 112
4.2.1 Overview ............................................................................................................. 112
4.2.2 Types of Reset ..................................................................................................... 112
4.2.3 Reset Sequence.................................................................................................... 113
4.2.4 Interrupts after Reset ........................................................................................... 115
4.2.5 State of On-Chip Supporting Modules after Reset Release ................................ 115
4.3 Traces ............................................................................................................................... 116
4.4 Interrupts........................................................................................................................... 117
4.5 Trap Instruction ................................................................................................................ 118
4.6 Stack Status after Exception Handling ............................................................................. 119
4.7 Notes on Use of the Stack................................................................................................. 120
Section 5 Interrupt Controller ....................................................................................... 121
5.1 Overview........................................................................................................................... 121
ii