AT89S52 Atmel Corporation, AT89S52 Datasheet - Page 2
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
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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
2. Pin Configurations
2.1
2.2
2
(MOSI) P1.5
(MISO) P1.6
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(SCK) P1.7
(TXD) P3.1
(T0) P3.4
(T1) P3.5
40-lead PDIP
44-lead TQFP
AT89S52
RST
NC
(T2 EX) P1.1
(MOSI) P1.5
(MISO) P1.6
(INT0) P3.2
(INT1) P3.3
(SCK) P1.7
(RXD) P3.0
(TXD) P3.1
1
2
3
4
5
6
7
8
9
10
11
(WR) P3.6
(RD) P3.7
(T2) P1.0
(T0) P3.4
(T1) P3.5
XTAL2
XTAL1
GND
P1.2
P1.3
P1.4
RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
P0.0 (AD0)
P0.1 (AD1)
P0.2 (AD2)
P0.3 (AD3)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA/VPP
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
P2.4 (A12)
P2.3 (A11)
P2.2 (A10)
P2.1 (A9)
P2.0 (A8)
33
32
31
30
29
28
27
26
25
24
23
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA/VPP
NC
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
2.3
44-lead PLCC
(MOSI) P1.5
(MISO) P1.6
(INT0) P3.2
(INT1) P3.3
(SCK) P1.7
(RXD) P3.0
(TXD) P3.1
(T0) P3.4
(T1) P3.5
RST
NC
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA/VPP
NC
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
1919D–MICRO–6/08