UPD754202GSA-XXX-GJG 查看數據表（PDF） - NEC => Renesas Technology

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UPD754202GSA-XXX-GJG

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

2. BLOCK DIAGRAM

PTO0/P30

PTO1/P31

PTO2/P32

BASIC INTERVAL

TIMER/WATCHDOG

TIMER

INTBT RESET

8-BIT TIMER

COUNTER#0

INTT0 TOUT

INTT1

8-BIT

TIMER

COUNTER#1 CASCADED

16-BIT

8-BIT

TIMER

TIMER

COUNTER

COUNTER#2

INTT2

INT0/P61

KRREN

KR4/P70-

KR7/P73

4

INTERRUPT

CONTROL

µPD754202, 754202(A)

SP (8)

CY

ALU

PROGRAM COUNTER

SBS

BANK

GENERAL REG.

PROGRAM MEMORY

(ROM)

2048×8 BITS

DATA MEMORY

(RAM)

128×4 BITS

PORT3 4 P30-P33

PORT6 4 P60-P63

PORT7 4 P70-P73

PORT8 1 P80

DECODE

AND

CONTROL

BIT SEQ. BUFFER (16)

fX/2N

CPU CLOCK

Φ

CLOCK SYSTEM CLOCK STAND BY

DIVIDER GENERATOR CONTROL

X1 X2

IC V DD VSS RESET

7

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