ii
2.9.1
Overview...............................................................................................................
63
2.9.2
On-Chip Memory (ROM, RAM).......................................................................... 63
2.9.3
On-Chip Supporting Module Access Timing .......................................................
65
2.9.4
External Address Space Access Timing ...............................................................
66
2.10
Usage Note .........................................................................................................................
66
2.10.1 TAS Instruction .................................................................................................... 66
Section 3
MCU Operating Modes
.................................................................................
67
3.1
Overview............................................................................................................................ 67
3.1.1
Operating Mode Selection .................................................................................... 67
3.1.2
Register Configuration.......................................................................................... 68
3.2
Register Descriptions .........................................................................................................
68
3.2.1
Mode Control Register (MDCR) ..........................................................................
68
3.2.2
System Control Register (SYSCR).......................................................................
69
3.2.3
Pin Function Control Register (PFCR) .................................................................
71
3.3
Operating Mode Descriptions ............................................................................................ 74
3.3.1
Mode 4 .................................................................................................................. 74
3.3.2
Mode 5 .................................................................................................................
74
3.3.3
Mode 6 .................................................................................................................. 74
3.3.4
Mode 7 ..................................................................................................................
74
3.4
Pin Functions in Each Operating Mode .............................................................................
75
3.5
Address Map in Each Operating Mode..............................................................................
75
Section 4
Exception Handling
........................................................................................
79
4.1
Overview............................................................................................................................
79
4.1.1
Exception Handling Types and Priority................................................................
79
4.1.2
Exception Handling Operation .............................................................................
80
4.1.3
Exception Vector Table ........................................................................................
80
4.2
Reset...................................................................................................................................
82
4.2.1
Overview...............................................................................................................
82
4.2.2
Types of Reset ......................................................................................................
82
4.2.3
Reset Sequence .....................................................................................................
83
4.2.4
Interrupts after Reset.............................................................................................
85
4.2.5
State of On-Chip Supporting Modules after Reset Release..................................
85
4.3
Traces .................................................................................................................................
86
4.4
Interrupts ............................................................................................................................
87
4.5
Trap Instruction..................................................................................................................
88
4.6
Stack Status after Exception Handling ..............................................................................
89
4.7
Notes on Use of the Stack..................................................................................................
90
Section 5
Interrupt Controller
.........................................................................................
91
5.1
Overview............................................................................................................................
91
5.1.1
Features .................................................................................................................
91
5.1.2
Block Diagram......................................................................................................
92