UPD75P3018A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75P3018A

4-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

2. BLOCK DIAGRAM

µPD75P3018A

PTO1/P21

TI1/TI2/

P12/INT2

PTO2/P22/PCL

TIMER/EVENT

COUNTER

#1

INTT1

TIMER/EVENT

COUNTER

#2

INTT2 TOUT0

BASIC

INTERVAL

TIMER/

WATCHDOG

TIMER

INTBT

TI0/P13

PTO0/P20

BUZ/P23

TIMER/EVENT

COUNTER

#0

INTT0 TOUT0

WATCH

TIMER

INTW fLCD

SI/SB1/P03

SO/SB0/P02

SCK/P01

CLOCKED

SERIAL

INTERFACE

INTCSI TOUT0

INT0/P10

INT1/P11

INT2/P12/TI1/TI2

INT4/P00

INTERRUPT

CONTROL

KR0/P60 to

KR7/P73

8

BIT SEQ.

BUFFER (16)

PORT0 4 P00 to P03

PROGRAM

COUNTER

(15)

SP (8)

CY

ALU

SBS

BANK

PROM

PROGRAM

MEMORY

32768 x 8 BITS

DECODE

AND

CONTROL

GENERAL

REG.

RAM

DATA

MEMORY

1024 x 4 BITS

fx/2 N

CPU CLOCK Φ

CLOCK

OUTPUT

CONTROL

CLOCK

DIVIDER

SYSTEM CLOCK

GENERATOR

SUB MAIN

STAND BY

CONTROL

PORT1 4 P10 to P13

PORT2 4 P20 to P23

PORT3

4

P30/MD0 to

P33/MD3

PORT4

4

P40/D0 to

P43/D3

PORT5

4

P50/D4 to

P53/D7

PORT6 4 P60 to P63

PORT7 4 P70 to P73

24 S0 to S23

8

S24/BP0 to

S31/BP7

4

COM0 to

COM3

3 VLC0 to VLC2

fLCD

BIAS

LCDCL/P30/MD0

SYNC/P31/MD1

PCL/PTO2/P22

XT1XT2 X1 X2

VDD VSS RESET VPP

Data Sheet U11917EJ2V0DS00

5

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