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UPD75004 Datasheet(PDF) 8 Page - NEC

Part # UPD75004
Description  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  66 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75004 Datasheet(HTML) 8 Page - NEC

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TI0/P13
BASIC
INTERVAL
TIMER
INTBT
TIMER/EVENT
COUNTER
#0
INTT0
PTO0/P20
BUZ/P23
WATCH
TIMER
INTW
INTCSI
CLOCKED
SERIAL
INTERFACE
SI/SB1/P03
SO/SB0/P02
SCK/P01
PROGRAM
COUNTER *
ALU
CY
SP (8)
BANK
INT0/P10
INT1/P11
INT2/P12
INT4/P00
KR0/P60
–KR7/P73
INTERRUPT
CONTROL
BIT SEQ.
BUFFER (16)
PROGRAM
MEMORY
(ROM)
4096
8 BITS
( PD75004)
6016
8 BITS
( PD75006)
8064
8 BITS
( PD75008)
×
DECODE
AND
CONTROL
GENERAL REG.
DATA
MEMORY
(RAM)
512
4 BITS
×
f /2
X
N
V DD
V SS RESET
PCL/P22
XT1
XT2 X1
X2
SUB
MAIN
CLOCK
OUTPUT
CONTROL
CLOCK
DIVIDER
SYSTEM CLOCK
GENERATOR
STAND BY
CONTROL
CPU
CLOCK
PORT 8
P80-P81
2
PORT 6
P60-P63
4
PORT 5
P50-P53
4
PORT 4
P40-P43
4
PORT 3
P30-P33
4
PORT 2
P20-P23
4
PORT 1
P10-P13
4
PORT 0
P00-P03
4
×
µ
µ
PORT 7
P70-P73
4
×
µ
*: For PD75004, 12 bits. For PD75006 and PD75008, 13 bits.
µµ
µ



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