Rainbow Electronics T89C51CC01 - Manual (Page 3)

3
T89C51CC01
Rev. D – 17-Dec-01
4. Pin Configuration
PLCC44
P1
.3
/
A
N
3
/
C
EX0
P
1
.2
/
A
N2
/
E
CI
P1
.1
/
A
N
1
/
T
2
E
X
P1
.0
/
A
N
0
/
T
2
VA
R
E
F
VA
G
N
D
RE
S
E
T
VS
S
VC
C
XT
A
L
1
XT
A
L
2
P3
.7
/
R
D
P4
.0
/
T
x
D
C
P4
.1
/
R
x
D
C
P2
.7
/
A
1
5
P2
.6
/
A
1
4
P2
.5
/
A
1
3
P2
.4
/
A
1
2
P2
.3
/
A
1
1
P2
.2
/
A
1
0
P2
.1
/
A
9
P3
.6
/
W
R
39
38
37
36
35
34
33
32
29
30
31
7
8
9
10
11
12
13
14
17
16
15
18 19 20 21 22 23 24 25 26 27 28
6 5 4 3 2
44 43 42 41 40
ALE
PSEN
P0.7 / AD7
P0.6 / AD6
P0.5 / AD5
P0.2 / AD2
P0.3 / AD3
P0.4 / AD4
P0.1 / AD1
P0.0 / AD0
P2.0 / A8
P1.4 / AN4 / CEX1
P1.5 / AN5 / CEX2
P1.6 / AN6 / CEX3
P1.7 / AN7 / CEX4
EA
P3.0 / RxD
P3.1 / TxD
P3.2 / INT0
P3.3 / INT1
P3.4 / T0
P3.5 / T1
1
43 42 41 40 39 44 38 37 36 35 34
12 13 17 16 15 14 20 19 18 21 22
33
32
31
30
29
28
27
26
25
24
23
VQFP44
1
2
3
4
5
6
7
8
9
10
11
P1.4 / AN4 / CEX1
P1.5 / AN5 / CEX2
P1.6 / AN6 / CEX3
P1.7 / AN7 / CEX4
EA
P3.0 / RxD
P3.1 / TxD
P3.2 / INT0
P3.3 / INT1
P3.4 / T0
P3.5 / T1
ALE
PSEN
P0.7 / AD7
P0.6 / AD6
P0.5 / AD5
P0.2 /AD2
P0.3 /AD3
P0.4 /AD4
P0.1 /AD1
P0.0 /AD0
P2.0 / A8
P
1
.3
/
AN3
/
C
E
X
0
P
1
.2
/
AN2
/
E
CI
P
1
.1
/
AN1
/
T
2
E
X
P1
.0
/
A
N
0
/
T
2
V
ARE
F
VA
G
N
D
R
E
SET
VS
S
VC
C
XT
A
L
1
XT
A
L
2
P3
.7
/
R
D
P4
.0
/
T
x
D
C
P4
.1
/
R
x
D
C
P2
.7
/
A
1
5
P2
.6
/
A
1
4
P2
.5
/
A
1
3
P2
.4
/
A
1
2
P2
.3
/
A
1
1
P2
.2
/
A
1
0
P2
.1
/
A
9
P3
.6
/
W
R