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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