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P89C660 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
P89C660
80C51 8-bit Flash microcontroller family
Philips Electronics
P89C660 Datasheet PDF : 89 Pages
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Philips Semiconductors
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
Product data
P89C660/P89C662/P89C664/
P89C668
BLOCK DIAGRAM (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
FLASH
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
8
PROGRAM
ADDRESS
REGISTER
PSEN
ALE
EA/V
PP
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
ALU
PSW
SFRs
TIMERS
P.C.A.
BUFFER
PC
INCRE-
MENTER
8
16
PROGRAM
COUNTER
PORT 1
I
2
C
LATCH
PORT 3
LATCH
DPTR’S
MULTIPLE
PORT 1
DRIVERS
P1.0–P1.7
SCL
SDA
PORT 3
DRIVERS
P3.0–P3.7
su01089
2002 Oct 28
5
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