UPD753204 datasheet(6/80 Pages) NEC

Part #	UPD753204

Description	4-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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6

µPD753204, 753206, 753208

2. BLOCK DIAGRAM

Note The ROM capacity depends on the product.

PORT0

PORT1

PORT2

PORT3

PORT5

PORT6

PORT8

PORT9

4

2

4

P00 to P03

P10,P13

P20 to P23

P30 to P33

P50 to P53

P60 to P63

P80 to P83

P90 to P93

S12 to S15

4

S16/P93 to

S19/P90

S20/P83 to

S23/P80

COM0 to COM3

VLC0

VLC1

VLC2

BIAS

LCDCL/P30

SYNC/P31

fLCD

LCD

CONTROLLER/

DRIVER

INT0/P10

4

INTW

CPU CLOCK

Φ

IC

VDD VSS RESET

STANDBY

CONTROL

SYSTEM

CLOCK

GENERATOR

X1 X2

CLOCK

DIVIDER

CLOCK

OUTPUT

CONTROL

PCL/PTO2/P22

fX/2

N

INTERRUPT

CONTROL

BIT SEQ

BUFFER (16)

INTCSI TOUT

INTT2

CLOCKED

SERIAL

INTERFACE

8-BIT

TIMER

COUNTER #1

8-BIT

TIMER

COUNTER #2

CASCADED

16-BIT

TIMER

COUNTER

PTO1/P21

TOUT

PTO2/PCL/P22

SP (8)

SBS

BANK

GENERAL REG.

DATA

MEMORY

(RAM)

512

× 4 BITS

CY

ALU

PROGRAM

COUNTER

PROGRAM

MEMORY

Note

(ROM)

fLCD

WATCH

TIMER

BASIC

INTERVAL

TIMER/

WATCHDOG

TIMER

BUZ/P23

TI0/P13

TPO0/P20

8-BIT

TIMER/EVENT

COUNTER #0

INTT1

INTT0 TOUT

SI/SB1/P03

SO/SB0/P02

SCK/P01

INT4/P00

KR0/P60 to

KR3/P63

DECODE

AND

CONTROL

INTBT

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UPD753204 Datasheet(PDF) 6 Page - NEC

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