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2-9
CPU
CPU Mode Register (CPUM)
The CPU mode register (CPUM) sets the clock operating mode for the CPU and peripheral blocks. This register is
allocated to the internal I/O space at address x'20000040.
Bit No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit name
—
—
—
—
—
—
—
—
—
—
OSCID STOP HALT SLEEP OSC1
OSC0
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W R/W
R/W
Bit No.
Bit name
Description
0
OSC0
Always returns "0" when read. Always write "0".
1
OSC1
Always returns "0" when read. Always write "0".
2
SLEEP
CPU operating mode control flag (SLEEP transfer request)
3
HALT
CPU operating mode control flag (HALT transfer request)
4
STOP
CPU operating mode control flag (STOP transfer request)
5
OSCID
Always returns "0" when read. Always write "0".
15 to 6
—
reserved
The various operating modes can be set by setting the bits as shown in the table below.
Oscillation control and operating mode control
Operating mode STOP HALT SLEEP OSC1 OSC0
Clock
CPU operation Peripheral function
oscillation
clock
operation clock
NORMAL
0
0
0
0
0
Oscillating
Running
Running
HALT
0
1
0
0
0
Oscillating
Stopped
Stopped
SLEEP
0
0
1
0
0
Oscillating
Stopped
Running
STOP
1
0
0
0
0
Stopped
Stopped
Stopped
The CPUM register should be accessed by halfwords (16 bits). Byte and word access is not supported.
If the CPUM register is accessed to make a transition to an operating mode of SLEEP/HALT/STOP during execution
of a program in external memory, a branch instruction should not be located within the three instructions immediately
following the CPUM register access instruction.
Содержание MN103001G/F01K
Страница 1: ...MICROCOMPUTER MN1030 MN103001G F01K LSI User s Manual Pub No 23101 050E ...
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 7: ...14 A D Converter 15 I O Ports 16 Internal Flash Memory 17 Ordering Mask ROM Appendix 14 15 16 17 ...
Страница 8: ......
Страница 9: ...Table of Contents List of Figures and Tables 0 ...
Страница 26: ...xviii ...
Страница 27: ...1 0 1 General Specifications ...
Страница 35: ...2 CPU 2 ...
Страница 57: ...3 Extension Instruction Specifications 3 ...
Страница 96: ...Extension Instruction Specifications 3 40 ...
Страница 97: ...4 Memory Modes 3 4 ...
Страница 102: ...Memory Modes 4 6 ...
Страница 103: ...5 Operating Mode 5 ...
Страница 107: ...6 Clock Generator 6 13 ...
Страница 111: ...7 Internal Memory 7 ...
Страница 114: ...Internal Memory 7 4 ...
Страница 115: ...8 Bus Controller BC 8 ...
Страница 189: ...9 Interrupt Controller 9 ...
Страница 220: ...Interrupt Controller 9 32 ...
Страница 221: ...10 8 bit Timers 9 10 ...
Страница 254: ...8 bit Timers 10 34 ...
Страница 255: ...11 16 bit Timers 11 ...
Страница 292: ...16 bit Timers 11 38 ...
Страница 293: ...12 Watchdog Timer 11 12 ...
Страница 302: ...Watchdog Timer 12 10 ...
Страница 303: ...13 Serial Interface 13 ...
Страница 354: ...Serial Interface 13 52 ...
Страница 355: ...14 A D Converter 14 ...
Страница 367: ...15 I O Ports 15 ...
Страница 431: ...16 Internal Flash Memory 16 ...
Страница 439: ...17 17 Ordering Mask ROM ...
Страница 442: ...Ordering Mask ROM 17 4 ...
Страница 443: ...Appendix ...