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AT89S52 Datasheet(PDF) 3 Page - ATMEL Corporation

Part # AT89S52
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
Download  38 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89S52 Datasheet(HTML) 3 Page - ATMEL Corporation

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3
1919D–MICRO–6/08
AT89S52
3.
Block Diagram
PORT 2 DRIVERS
PORT 2
LATCH
P2.0 - P2.7
FLASH
PORT 0
LATCH
RAM
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCREMENTER
PROGRAM
COUNTER
DUAL DPTR
INSTRUCTION
REGISTER
B
REGISTER
INTERRUPT, SERIAL PORT,
AND TIMER BLOCKS
STACK
POINTER
ACC
TMP2
TMP1
ALU
PSW
TIMING
AND
CONTROL
PORT 1 DRIVERS
P1.0 - P1.7
PORT 3
LATCH
PORT 3 DRIVERS
P3.0 - P3.7
OSC
GND
V
CC
PSEN
ALE/PROG
EA / V
PP
RST
RAM ADDR.
REGISTER
PORT 0 DRIVERS
P0.0 - P0.7
PORT 1
LATCH
WATCH
DOG
ISP
PORT
PROGRAM
LOGIC


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Similar Description - AT89S52_08

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