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P89C51X2 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
P89C51X2
8-bit Flash microcontroller family 4K/8K/16K/32K Flash
Philips Electronics
P89C51X2 Datasheet PDF : 48 Pages
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Philips Semiconductors
80C51 8-bit Flash microcontroller family
4K/8K/16K/32K Flash
Preliminary data
P89C51X2/52X2/54X2/58X2
BLOCK DIAGRAM 2 (CPU-ORIENTED)
V
CC
V
SS
RAM ADDR
REGISTER
RAM
P0.0–P0.7
PORT 0
DRIVERS
PORT 0
LATCH
P2.0–P2.7
PORT 2
DRIVERS
PORT 2
LATCH
ROM/EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
8
PROGRAM
ADDRESS
REGISTER
ALU
PSW
PSEN
ALE/PROG
EA / V
PP
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
SFRs
TIMERS
BUFFER
PC
INCRE-
MENTER
8
16
PROGRAM
COUNTER
PORT 3
LATCH
DPTR’S
MULTIPLE
PORT 3
DRIVERS
P3.0–P3.7
SU00845
2002 Jun 06
7
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