tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 12

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

6. Power-on Reset Circuit
7. Voltage Detection Circuit
8. I/O Ports
9. Special Function Registers
10. Low Power Consumption Function for Peripherals
11. Divider Output (DVO)
6.1 Configuration...........................................................................................................................87
6.2 Function...................................................................................................................................87
7.1 Configuration...........................................................................................................................89
7.2 Control.....................................................................................................................................90
7.3 Function...................................................................................................................................91
7.4 Register Settings......................................................................................................................94
8.1 I/O Port Control Registers.......................................................................................................98
8.2 List of I/O Port Settings...........................................................................................................99
8.3 I/O Port Registers..................................................................................................................102
8.4 Serial Interface Selecting Function........................................................................................129
9.1 SFR1 (0x0000 to 0x003F).....................................................................................................133
9.2 SFR2 (0x0F00 to 0x0FFF).....................................................................................................134
9.3 SFR3 (0x0E40 to 0x0EFF)....................................................................................................136
10.1 Control.................................................................................................................................140
11.1 Configuration.......................................................................................................................143
11.2 Control.................................................................................................................................144
7.3.1
7.3.2
7.3.3
7.3.4
7.4.1
7.4.2
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
Enabling/disabling the voltage detection operation...........................................................................................................91
Selecting the voltage detection operation mode................................................................................................................91
Selecting the detection voltage level.................................................................................................................................92
Voltage detection flag and voltage detection status flag...................................................................................................92
Setting procedure when the operation mode is set to generate INTVLTD interrupt request signals................................94
Setting procedure when the operation mode is set to generate voltage detection reset signals.........................................94
Port P0 (P03 to P00)........................................................................................................................................................102
Port P1 (P13 to P10)........................................................................................................................................................106
Port P2 (P27 to P20)........................................................................................................................................................110
Port P4 (P47 to P40)........................................................................................................................................................115
Port P7 (P77 to P70)........................................................................................................................................................118
Port P8 (P81 to P80)........................................................................................................................................................120
Port P9 (P91 to P90)........................................................................................................................................................123
Port PB (PB7 to PB4)......................................................................................................................................................126
iii