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3.7.4
Standby Control Register (STBC) ............................................................................................... 66
3.7.5
Diagram for State Transition in Standby Mode ............................................................................ 68
3.7.6
Notes on Standby Mode .............................................................................................................. 70
3.8
Memory Access Mode ...................................................................................................................... 72
CHAPTER 4
I/O PORTS .................................................................................................. 75
4.1
Overview of I/O Ports ........................................................................................................................ 76
4.2
Port 0 ................................................................................................................................................ 78
4.2.1
Registers of Port 0 (PDR0, DDR0, and PUL0) ............................................................................ 80
4.2.2
Operations of Port 0 Functions .................................................................................................... 82
4.3
Port 3 ................................................................................................................................................ 84
4.3.1
Registers of Port 3 (PDR3, DDR3, PUL3) ................................................................................... 86
4.3.2
Operations of Port 3 Functions .................................................................................................... 88
4.4
Port 4 ................................................................................................................................................ 90
4.4.1
Registers of Port 4 (PDR4) .......................................................................................................... 92
4.4.2
Operations of Port 4 Functions .................................................................................................... 93
4.5
Port 5 ................................................................................................................................................ 94
4.5.1
Registers of Port 5 (PDR5, DDR5, PUL5) ................................................................................... 96
4.5.2
Operations of Port 5 Functions .................................................................................................... 98
4.6
Port 6 .............................................................................................................................................. 100
4.6.1
Registers of Port 6 (PDR6, DDR6, PUL6) ................................................................................. 103
4.6.2
Operations of Port 6 Functions .................................................................................................. 105
4.7
Port 7 .............................................................................................................................................. 107
4.7.1
Registers of Port 7 (PDR7, DDR7, PUL7) ................................................................................. 109
4.7.2
Operations of Port 7 Functions .................................................................................................. 111
4.8
Programming Example of I/O Port .................................................................................................. 113
CHAPTER 5
TIME-BASE TIMER .................................................................................. 115
5.1
Overview of Time-base Timer ......................................................................................................... 116
5.2
Configuration of Time-base Timer .................................................................................................. 118
5.3
Time-base Timer Control Register (TBTC) ..................................................................................... 119
5.4
Interrupt of Time-base Timer .......................................................................................................... 121
5.5
Operations of Time-base Timer Functions ..................................................................................... 122
5.6
Notes on Using Time-base Timer ................................................................................................... 124
5.7
Program Example for Time-base Timer .......................................................................................... 125
CHAPTER 6
WATCHDOG TIMER ................................................................................ 127
6.1
Overview of Watchdog Timer ......................................................................................................... 128
6.2
Configuration of Watchdog Timer ................................................................................................... 129
6.3
Watchdog Control Register (WDTC) .............................................................................................. 130
6.4
Operations of Watchdog Timer Functions ...................................................................................... 131
6.5
Notes on Using Watchdog Timer .................................................................................................... 132
6.6
Program Example for Watchdog Timer .......................................................................................... 133
