AT89C51ID2-SMSIM ATMEL [ATMEL Corporation], AT89C51ID2-SMSIM Datasheet - Page 10

• Manufacturer Part Number: AT89C51ID2-SMSIM
• Description: 8-bit Flash Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

Pin Configurations
10
AT89C51ID2
P1.5/CEX2/MISO
P1.7/CEx4/MOSI
P1.6/CEX3/SCK
PI2.1/SDA
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
RST
10
12
13
14
8
11
15
16
17
7
9
18 19
6
5 4 3 2 1
20
21
AT89C51ID2
22
PLCC44
23
P1.6/CEX3/SCK
P1.7/CEX4/MOSI
P1.5/CEX2/MISO
24
44 43 42 41 40
25
PI2.1/SDA
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
26
P3.4/T0
P3.5/T1
27 28
RST
32
38
36
34
33
39
37
35
31
30
29
4
10
1
2
3
5
6
7
8
9
11
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
44
12 13
43 42 41 40 39
14
15
AT89C51ID2
VQFP44 1.4
16
17
38 37 36 35 34
18
19
20
21 22
26
32
30
28
27
33
31
29
25
24
23
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
4289A–8051–09/03