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UPD754202 Datasheet(PDF) 7 Page - NEC

Part # UPD754202
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD754202 Datasheet(HTML) 7 Page - NEC

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7
µPD754202, 754202(A)
2.
BLOCK DIAGRAM
BASIC INTERVAL
TIMER/WATCHDOG
TIMER
8-BIT TIMER
COUNTER#0
8-BIT
TIMER
COUNTER#1
8-BIT
TIMER
COUNTER#2
CASCADED
16-BIT
TIMER
COUNTER
INTERRUPT
CONTROL
INTBT
RESET
INTT0
TOUT
INTT1
INTT2
PTO0/P30
PTO1/P31
PTO2/P32
INT0/P61
KR4/P70-
KR7/P73
ALU
PROGRAM COUNTER
PROGRAM MEMORY
(ROM)
2048
×8 BITS
DECODE
AND
CONTROL
CY
SP (8)
SBS
BANK
GENERAL REG.
DATA MEMORY
(RAM)
128
×4 BITS
PORT3
4
PORT6
4
PORT7
4
PORT8
1
BIT SEQ. BUFFER (16)
P30-P33
P60-P63
P70-P73
P80
CLOCK
DIVIDER
SYSTEM CLOCK
GENERATOR
STAND BY
CONTROL
fX/2N
X1
X2
Φ
CPU CLOCK
IC
V DD
VSS RESET
4
KRREN


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