UPD754302A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD754302A

4-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

TI0/TI1/P13

PTO0/P20

PTO1/P21

BASIC

INTERVAL

TIMER/

WATCHDOG TIMER

TOUT0

INTBT

INTT0

8-BIT

TIMER/EVENT CASCADED

COUNTER#0 16-BIT

TIMER/

8-BIT

EVENT

TIMER/EVENT COUNTER

COUNTER#1

INTT1

SI/P03

SO/SB0/P02

SCK/P01

CLOCKED

SERIAL

INTERFACE

INT0/P10

INT1/P11

INT2/P12

INT4/P00

KR0-KR3/P60-P63

KR4-KR7/P70-P73

INTCSI TOUT0

INTERRUPT

CONTROL

8

PROGRAM

COUNTER Note1

SP (8)

CY

ALU

SBS

BANK

ROM Note2

PROGRAM

MEMORY

DECODE

AND

CONTROL

GENERAL REG.

RAM

DATA

MEMORY

256 · 4 BITS

fX/2N

CPU CLOCK

F

CLOCK CLOCK

OUTPUT

CONTROL

DIVIDER

CLOCK GENERATOR

STAND BY

CONTROL

PCL/P22

X1

X2

BIT SEQ.

BUFFER (16)

4 PORT0 4 P00-P03

4 PORT1 4 P10-P13

4 PORT2 4 P20-P23

4 PORT3 4 P30-P33

4 PORT5 4 P50-P53

4 PORT6 4 P60-P63

4 PORT7 4 P70-P73

2 PORT8 2 P80, P81

IC VDD VSS RESET

Notes 1. The µPD754302 and µPD754304 program counters are 11 and 12 bits, respectively.

2. The ROM capacity of the µPD754302 is 2048 × 8 bits, and that of the µPD754304 is 4096 × 8 bits.

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