Section 3
3.1
MCU Operating Modes and Address Space
..................................... 53
53
53
54
54
56
57
3.2
3.3
3.4
Overview ........................................................................................................................
3.1.1
Mode Selection ...............................................................................................
3.1.2
Mode and System Control Registers .............................................................
System Control Register (SYSCR).................................................................................
Mode Control Register (MDCR) ....................................................................................
Address Space Map in Each Operating Mode................................................................
Section 4
4.1
4.2
Exception Handling
.................................................................................. 61
61
61
61
61
64
64
64
66
68
68
69
74
75
76
4.3
4.4
Overview ........................................................................................................................
Reset
........................................................................................................................
4.2.1
Overview.........................................................................................................
4.2.2
Reset Sequence ...............................................................................................
4.2.3
Disabling of Interrupts after Reset..................................................................
Interrupts ........................................................................................................................
4.3.1
Overview.........................................................................................................
4.3.2
Interrupt-Related Registers.............................................................................
4.3.3
External Interrupts ..........................................................................................
4.3.4
Internal Interrupts ...........................................................................................
4.3.5
Interrupt Handling ..........................................................................................
4.3.6
Interrupt Response Time.................................................................................
4.3.7
Precaution .......................................................................................................
Note on Stack Handling..................................................................................................
Section 5
5.1
Wait-State Controller
............................................................................... 77
77
77
77
78
78
78
78
80
5.2
5.3
Overview ........................................................................................................................
5.1.1
Features...........................................................................................................
5.1.2
Block Diagram................................................................................................
5.1.3
Input/Output Pins............................................................................................
5.1.4
Register Configuration....................................................................................
Register Description .......................................................................................................
5.2.1
Wait-State Control Register (WSCR).............................................................
Wait Modes.....................................................................................................................
Section 6
6.1
Clock Pulse Generator
............................................................................. 83
83
83
84
85
90
90
6.2
6.3
6.4
Overview ........................................................................................................................
6.1.1
Block Diagram................................................................................................
6.1.2
Wait-State Control Register (WSCR).............................................................
Oscillator Circuit ............................................................................................................
Duty Adjustment Circuit.................................................................................................
Prescaler ........................................................................................................................
RENESAS [ RENESAS TECHNOLOGY CORP ]
