2.9
Basic Operational Timing............................................................................................... 51
2.9.1
Overview......................................................................................................... 51
2.9.2
On-Chip Memory Access Timing................................................................... 51
2.9.3
On-Chip Supporting Module Access Timing................................................. 53
2.9.4
Access to External Address Space.................................................................. 54
Section 3
3.1
MCU Operating Modes
........................................................................... 55
Overview......................................................................................................................... 55
3.1.1
Operating Mode Selection.............................................................................. 55
3.1.2
Register Configuration.................................................................................... 56
Mode Control Register (MDCR).................................................................................... 57
System Control Register (SYSCR)................................................................................. 58
Operating Mode Descriptions......................................................................................... 60
3.4.1
Mode 1............................................................................................................ 60
3.4.2
Mode 2............................................................................................................ 60
3.4.3
Mode 3............................................................................................................ 60
3.4.4
Mode 4............................................................................................................ 60
3.4.5
Mode 5............................................................................................................ 60
3.4.6
Mode 6 ........................................................................................................... 60
3.4.7
Mode 7 ........................................................................................................... 61
Pin Functions in Each Operating Mode.......................................................................... 61
Memory Map in Each Operating Mode.......................................................................... 61
3.2
3.3
3.4
3.5
3.6
Section 4
4.1
Exception Handling
.................................................................................. 71
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
Reset ............................................................................................................................... 73
4.2.1
Overview......................................................................................................... 73
4.2.2
Reset Sequence............................................................................................... 73
4.2.3
Interrupts after Reset....................................................................................... 76
Interrupts......................................................................................................................... 77
Trap Instruction............................................................................................................... 78
Stack Status after Exception Handling........................................................................... 79
Notes on Stack Usage..................................................................................................... 80
4.2
4.3
4.4
4.5
4.6
Section 5
5.1
Interrupt Controller
................................................................................... 81
Overview......................................................................................................................... 81
5.1.1
Features........................................................................................................... 81
5.1.2
Block Diagram................................................................................................ 82