AT89S8253 Atmel Corporation, AT89S8253 Datasheet - Page 3
AT89S8253
Manufacturer Part Number
AT89S8253
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89S8253.pdf
(60 pages)
2.AT89S8253.pdf
(2 pages)
3.AT89S8253.pdf
(2 pages)
4.AT89S8253.pdf
(2 pages)
Specifications of AT89S8253
Flash (kbytes)
12 Kbytes
Max. Operating Frequency
24 MHz
Cpu
8051-12C
Max I/o Pins
32
Spi
1
Uart
1
Sram (kbytes)
0.25
Eeprom (bytes)
2048
Operating Voltage (vcc)
2.7 to 5.5
Timers
3
Isp
SPI
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89S8253-24AC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT89S8253-24AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S8253-24AU
Manufacturer:
ATMEL
Quantity:
6 250
Part Number:
AT89S8253-24AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S8253-24JC
Manufacturer:
ATMEL
Quantity:
5 530
Company:
Part Number:
AT89S8253-24JC
Manufacturer:
ATM
Quantity:
3 290
Company:
Part Number:
AT89S8253-24JC
Manufacturer:
ATMEL
Quantity:
6 988
Part Number:
AT89S8253-24JC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
2.3
2.4
3. Pin Description
3.1
3.2
3.3
3.4
3286P–MICRO–3/10
44J – 44-lead PLCC
42PS6 – PDIP
VCC
GND
VDD
PWRVDD
Supply voltage (all packages except 42-PDIP).
Ground (all packages except 42-PDIP; for 42-PDIP GND connects only the logic core and the
embedded program/data memories).
Supply voltage for the 42-PDIP which connects only the logic core and the embedded pro-
gram/data memories.
Supply voltage for the 42-PDIP which connects only the I/O Pad Drivers. The application board
must connect both VDD and PWRVDD to the board supply voltage.
(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
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(TXD) P3.1
(A10) P2.2
(A11) P2.3
(A12) P2.4
(A13) P2.5
(A14) P2.6
(A15) P2.7
(WR) P3.6
PWRGND
(RD) P3.7
(A8) P2.0
(A9) P2.1
(T0) P3.4
(T1) P3.5
RST
NC
XTAL2
XTAL1
GND
RST
7
8
9
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
P1.7 (SCK)
P1.6 (MISO)
P1.5 (MOSI)
P1.4 (SS)
P1.3
P1.2
P1.1 (T2EX)
P1.0 (T2)
VDD
PWRVDD
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
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)
AT89S8253
3