AT87F52-12AI ATMEL Corporation, AT87F52-12AI Datasheet - Page 2
AT87F52-12AI
Manufacturer Part Number
AT87F52-12AI
Description
8-Bit Microcontroller with 8K Bytes QuickFlash
Manufacturer
ATMEL Corporation
Datasheet
1.AT87F52-12AI.pdf
(22 pages)
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Block Diagram
2
ALE/PROG
EA / V
PSEN
RST
V
GND
PP
CC
CONTROL
REGISTER
TIMING
AND
OSC
B
RAM ADDR.
REGISTER
AT87F52
INSTRUCTION
REGISTER
ACC
TMP2
RAM
PORT 1 DRIVERS
PSW
P1.0 - P1.7
PORT 0 DRIVERS
PORT 1
LATCH
ALU
P0.0 - P0.7
PORT 0
LATCH
TMP1
INTERRUPT, SERIAL PORT,
AND TIMER BLOCKS
PORT 2
LATCH
PORT 3 DRIVERS
PORT 2 DRIVERS
POINTER
P2.0 - P2.7
STACK
P3.0 - P3.7
PORT 3
LATCH
QUICK
FLASH
INCREMENTER
PROGRAM
REGISTER
PROGRAM
ADDRESS
COUNTER
BUFFER
DPTR
PC
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