AT89S53-16JA ATMEL [ATMEL Corporation], AT89S53-16JA Datasheet - Page 3
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AT89S53-16JA
Manufacturer Part Number
AT89S53-16JA
Description
8-Bit Microcontroller with 12K Bytes Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89S53-16JA.pdf
(32 pages)
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Block Diagram
ALE/PROG
EA / V
PSEN
RST
GND
V
PP
CC
CONTROL
REGISTER
TIMING
OSC
AND
B
RAM ADDR.
REGISTER
INSTRUCTION
REGISTER
WATCH
DOG
ACC
TMP2
RAM
PORT 3 DRIVERS
PSW
P3.0 - P3.7
PORT 0 DRIVERS
PORT 3
LATCH
ALU
P0.0 - P0.7
PORT 0
LATCH
TMP1
INTERRUPT, SERIAL PORT,
AND TIMER BLOCKS
PORT 2
LATCH
PORT 1 DRIVERS
PORT 1
LATCH
PORT 2 DRIVERS
POINTER
P2.0 - P2.7
STACK
P1.0 - P1.7
FLASH
PORT
SPI
INCREMENTER
PROGRAM
PROGRAM
REGISTER
PROGRAM
ADDRESS
COUNTER
BUFFER
LOGIC
DPTR
PC
4-219