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AT89C55 Просмотр технического описания (PDF) - Atmel Corporation
Номер в каталоге
Компоненты Описание
производитель
AT89C55
8-Bit Microcontroller with 20K Bytes Flash
Atmel Corporation
AT89C55 Datasheet PDF : 24 Pages
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Block Diagram
V
CC
GND
RAM ADDR.
REGISTER
P0.0 - P0.7
PORT 0 DRIVERS
P2.0 - P2.7
PORT 2 DRIVERS
RAM
PORT 0
LATCH
PORT 2
LATCH
FLASH
PSEN
ALE/PROG
EA / V
PP
RST
B
REGISTER
ACC
STACK
POINTER
PROGRAM
ADDRESS
REGISTER
TMP2
TMP1
ALU
PSW
INTERRUPT, SERIAL PORT,
AND TIMER BLOCKS
TIMING
AND
CONTROL
INSTRUCTION
REGISTER
PORT 1
LATCH
PORT 3
LATCH
OSC
PORT 1 DRIVERS
PORT 3 DRIVERS
P1.0 - P1.7
P3.0 - P3.7
BUFFER
PC
INCREMENTER
PROGRAM
COUNTER
DPTR
4-170
AT89C55
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