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Part Name
Description
83C453(1998) View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
83C453
(Rev.:1998)
80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O
Philips Electronics
83C453 Datasheet PDF : 26 Pages
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Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
Preliminary specification
83C453/87C453
BLOCK DIAGRAM
P0.0–P0.7
P2.0–P2.7
P4.0–P4.7
P5.0–5.7
V
CC
V
SS
RAM ADDR
REGISTER
PORT 0
DRIVERS
PORT 2
DRIVERS
PORT 4
DRIVERS
PORT 5
DRIVERS
256 BYTES
RAM
PORT 0
LATCH
PORT 2
LATCH
PORT 4
LATCH
PORT 5
LATCH
8K x 8
EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
ALU
PSW
PCON
PSW
TL1
CSR
SCON TMOD
TH0 TL0
DPH DPL
SBUF IE
TCON
TH1
AUXR
IP
INTERRUPT, SERIAL
PORT AND TIMER BLOCKS
PSEN
ALE/PROG
EAV
PP
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
PORT 6
LATCH
PORT 6
DRIVERS
P6.0–P6.7
PORT 3
LATCH
PORT 6
CONTROL/STATUS
PORT 3
DRIVERS
IDS ODS BFLAG
AFLAG
P3.0–P3.7
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR
SU00158
1998 Apr 23
3
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