at89c51rd2-smsum ATMEL Corporation, at89c51rd2-smsum Datasheet - Page 10
at89c51rd2-smsum
Manufacturer Part Number
at89c51rd2-smsum
Description
8-bit Flash Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51RD2-SMSUM.pdf
(137 pages)
- Current page: 10 of 137
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10
P1.1/T2EX/
P1.3/CEX0
P1.4/CEX1
AT89C51RD2/ED2
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
P1.2/ECI
P1.0/T2
VCC
P5.5
P5.6
P5.7
P4.0
P4.1
NIC
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AT89C51ED2
VQFP64
P1.1/T2EX/
P1.3/CEX0
P1.4/CEX1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
P1.2/ECI
P1.0/T2
VCC
P5.5
P5.6
P5.7
P4.0
P4.1
P4.2
NIC
P2.4/A12
P2.3/A11
P4.7
P2.2/A10
P2.1/A9
P2.0/A8
P4.6
NIC
VSS
P4.5
XTAL1
XTAL2
P3.7/
P4.4
P3.6/
P4.3
SS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
RD
WR
AT89C51ED2
PLCC68
NIC: Not Internaly Connected
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
P5.0
P2.4/A12
P2.3/A11
P4.7
P2.2/A10
P2.1/A9
P2.0/A8
P4.6
NIC
VSS
P4.5
XTAL1
XTAL2
P3.7/
P4.4
P3.6/
P4.3
4235J–8051–01/08
RD
WR
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