Panasonic MN101C77C User Manual

Chapter 4    I/O Ports

IV - 2

Overview

A total of 54 pins on this LSI, including those shared with special function pins, are allocated for the 8 I/O

ports of ports 0 to 2, ports 5 to 8 and port A. Each I/O port is assigned to its corresponding special function

register area in memory. I/O ports are operated in byte or bit units in the same way as RAM.

P00,SBO1A,TXD1A
P01,SBI1A,RXD1A,SDA4B
P02,SBT1A,SCL4B
P03,SBO0A,TXD0A

Port0

Port1

Port2

P04,SBI0A,RXD0A
P05,SBT0A
P06,BUZZER

P10,RMOUTA,TCO0A
P11,RMOUTB,TCIO0B
P12,TCO4A
P13,TCIO4B
P14,TCIO7

P20,IRQ0
P21,IRQ1,ACZ
P22,IRQ2
P23,IRQ3
P24,IRQ4

P27,NRST

KEY0,SDO0,P60

Port7

Port6

Port8

PortA

KEY1,SDO1,P61
KEY2,SDO2,P62
KEY3,SDO3,P63
KEY4,SDO4,P64
KEY5,SDO5,P65
KEY6,SDO6,P66
KEY7,SDO7,P67

TXD1B,SBO1B,P73

RXD1B,SBI1B,P74

SBT1B,P75

TXD0B,SBO0B,P70

RXD0B,SBI0B,P71

SBT0B,P72

TCIO1,P76
TCIO5,P77

LED0,P80
LED1,P81
LED2,P82
LED3,P83
LED4,P84
LED5,P85
LED6,P86
LED7,P87

DA0,AN0,PA0
DA1,AN1,PA1

AN2,PA2
AN3,PA3
AN4,PA4
AN5,PA5

Port5

P50,SBI3
P51,SBO3,SDA3
P52,SBT3,SCL3
P53,SDA4A

P54,SCL4A

AN6,PA6