
Rev. 5.0, 09/04, page vi of xviii
2.9
Basic Operational Timing.................................................................................................53
2.9.1
Overview..............................................................................................................53
2.9.2
On-Chip Memory Access Timing........................................................................53
2.9.3
On-Chip Supporting Module Access Timing ......................................................54
2.9.4
Access to External Address Space.......................................................................55
Section 3 MCU Operating Modes.....................................................................57
3.1
Overview...........................................................................................................................57
3.1.1
Operating Mode Selection ...................................................................................57
3.1.2
Register Configuration.........................................................................................58
3.2
Mode Control Register (MDCR) ......................................................................................59
3.3
System Control Register (SYSCR)...................................................................................60
3.4
Operating Mode Descriptions...........................................................................................62
3.4.1
Mode 1.................................................................................................................62
3.4.2
Mode 2.................................................................................................................62
3.4.3
Mode 3.................................................................................................................62
3.4.4
Mode 4.................................................................................................................63
3.4.5
Mode 5.................................................................................................................63
3.4.6
Mode 7.................................................................................................................63
3.5
Pin Functions in Each Operating Mode............................................................................64
3.6
Memory Map in Each Operating Mode............................................................................65
3.6.1
Note on Reserved Areas.......................................................................................65
Section 4 Exception Handling...........................................................................71
4.1
Overview...........................................................................................................................71
4.1.1
Exception Handling Types and Priority...............................................................71
4.1.2
Exception Handling Operation ............................................................................71
4.1.3
Exception Vector Table.......................................................................................72
4.2
Reset74
4.2.1
Overview..............................................................................................................74
4.2.2
Reset Sequence....................................................................................................74
4.2.3
Interrupts after Reset............................................................................................76
4.3
Interrupts...........................................................................................................................77
4.4
Trap Instruction.................................................................................................................78
4.5
Stack Status after Exception Handling..............................................................................79
4.6
Notes on Stack Usage .......................................................................................................80
Section 5 Interrupt Controller............................................................................83
5.1
Overview...........................................................................................................................83
5.1.1
Features................................................................................................................83
5.1.2
Block Diagram.....................................................................................................84
5.1.3
Pin Configuration.................................................................................................85
5.1.4
Register Configuration.........................................................................................85