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P83C660X2 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. P83C660X2
Description  80C51 8-bit microcontroller family
Download  102 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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P83C660X2 Datasheet(HTML) 5 Page - NXP Semiconductors

 
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Philips Semiconductors
Product data
P8xC660X2/661X2
80C51 8-bit microcontroller family 16 KB OTP/ROM, 512B
RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33
MHz), two 400KB I2C interfaces
2003 Oct 02
5
BLOCK DIAGRAM (CPU-ORIENTED)
SU01761
PSEN
EAVPP
ALE
RST
XTAL1
XTAL2
VCC
VSS
PORT 0
DRIVERS
PORT 2
DRIVERS
RAM ADDR
REGISTER
RAM
PORT 0
LATCH
PORT 2
LATCH
OTP
MEMORY
REGISTER
B
ACC
STACK
POINTER
TMP2
TMP1
ALU
TIMING
AND
CONTROL
PD
OSCILLATOR
PSW
PORT 1
LATCH
PORT 3
LATCH
PORT 1
DRIVERS
PORT 3
DRIVERS
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR’S
MULTIPLE
P1.0–P1.7
P3.0–P3.7
P0.0–P0.7
P2.0–P2.7
SFRs
TIMERS
P.C.A.
8
8
16
SERIAL
I2C PORT
SDA
SCL
SERIAL
I2C PORT
SDA1
SCL1
SERIAL
UART
PORT
TxD RxD


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