CONTENTS
1.1
Memory Access Mode ......................................................................................................... 2
CPU .................................................................................................. 3
2.1
Dedicated Registers ............................................................................................................ 4
2.1.1
2.1.2
Direct Bank Pointer (DP) ................................................................................................ 7
2.1.3
2.2
General-purpose Register ................................................................................................. 11
2.3
CLOCK CONTROLLER ................................................................. 15
3.1
Overview ............................................................................................................................ 16
3.2
3.3
Registers ........................................................................................................................... 27
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.4
Clock Modes ...................................................................................................................... 37
3.5
3.5.1
3.5.2
Sleep Mode .................................................................................................................. 48
3.5.3
Stop Mode .................................................................................................................... 49
3.5.4
Time-base Timer Mode ................................................................................................ 51
3.5.5
Watch Mode ................................................................................................................. 53
3.6
Clock Oscillator Circuit ...................................................................................................... 54
3.7
Overview of Prescaler ....................................................................................................... 55
3.8
3.9
Operation of Prescaler ....................................................................................................... 57
3.10
Notes on Using Prescaler .................................................................................................. 59
RESET ............................................................................................ 61
4.1
Reset Operation ................................................................................................................ 62
4.2
Register ............................................................................................................................. 66
4.2.1
4.3
Notes on Using Reset ........................................................................................................ 70
INTERRUPTS ................................................................................. 71
5.1
Interrupts ........................................................................................................................... 72
5.1.1
5.1.2
Interrupt Processing ..................................................................................................... 75
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