Panasonic MN101C77C User Manual

I - 17

Chapter 1    Overview

Block Diagram

CPU

MN101C

Low Speed
oscillator

ROM

48KB

RAM

3KB

8-Bit Timer 0

8-Bit Timer 1

8-Bit Timer 4

16-Bit Timer 7

SDA4B,RXD1A,SBI1A,P01

SCL4B,SBT1A,P02

TXD0A,SBO0A,P03

RXD0A,SBI0A,P04

SBT0A,P05

BUZZER,P06

TXD1A,SBO1A,P00

ROMUTB,TCIO0B,P11

TCO4A,P12

TCIO4B,P13

TCIO7,P14

RMOUTA,TCO0A,P10

ACZ,IRQ1,P21

IRQ2,P22
IRQ3,P23
IRQ4,P24

IRQ0,P20

SBI3,P50

SDA3,SBO3,P51

SCL3,SBT3,P52

SDA4A,P53

SCL4A,P54

KEY0,SDO0,P60

KEY1,SDO1,P61

KEY2,SDO2,P62

KEY3,SDO3,P63

KEY4,SDO4,P64

KEY5,SDO5,P65

KEY6,SDO6,P66

KEY7,SDO7,P67

P76,TCIO1
P75,SBT1B
P74,SBI1B,RXD1B
P73,SBO1B,TXD1B
P72,SBT0B
P71,SBI0B/RXD0B
P70,SBO0B,TXD0B

P77,TCIO5

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

P87,LED7

PA5,AN5
PA4,AN4
PA3,AN3
PA2,AN2
PA1,AN1,DA1
PA0,AN0,DA0

OSC1

OSC2

XI

XO

VSS

VDD

MMOD

VREF+

NRST,P27

8-Bit Timer 5

D/A converter

A/D converter

PA6,AN6

VREF-

High Speed
oscillator

External Interrupt

Serial Interface 0

Serial Interface 1

Serial Interface 3

Serial Interface 4

Time Base Timer 6

Watchdog Timer

Automatic Transfer Controller

Port A

Port 8

Port 7

Port 0

Port 1

Port 2

Port 5

Port 6