AT89S52 Atmel Corporation, AT89S52 Datasheet - Page 3
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AT89S52
Manufacturer Part Number
AT89S52
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT89S52.pdf
(38 pages)
Specifications of AT89S52
Flash (kbytes)
8 Kbytes
Max. Operating Frequency
24 MHz
Cpu
8051-12C
Max I/o Pins
32
Uart
1
Sram (kbytes)
0.25
Operating Voltage (vcc)
4.0 to 5.5
Timers
3
Isp
SPI
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89S52
Manufacturer:
ATM
Quantity:
5 300
Part Number:
AT89S52
Manufacturer:
CN/如韵
Quantity:
20 000
Part Number:
AT89S52-16JC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S52-24AI
Manufacturer:
ATMEL
Quantity:
4 233
Part Number:
AT89S52-24AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT89S52-24AJ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S52-24AU
Manufacturer:
FEELING
Quantity:
43 000
Company:
Part Number:
AT89S52-24AU
Manufacturer:
ATMEL
Quantity:
930 880
Part Number:
AT89S52-24AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S52-24JC
Manufacturer:
ATMEL
Quantity:
447
3. Block Diagram
1919D–MICRO–6/08
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
STACK
P2.0 - P2.7
P1.0 - P1.7
FLASH
PORT
ISP
INCREMENTER
DUAL DPTR
PROGRAM
PROGRAM
REGISTER
PROGRAM
ADDRESS
COUNTER
BUFFER
LOGIC
PC
AT89S52
3