Pin configuration – Rainbow Electronics T89C5115 User Manual
Page 3
3
T89C5115
4128A–8051–04/02
Pin Configuration
P3.4/T0
P3.3/INT1
P4.1
1
P3.7
P3.2/INT0
P1.5/AN5
P1.7/AN7
P1.6/AN6
P2.0
VAREF
VAVCC
VAGND
P1.0/AN0/T2
P1.1/AN1/T2EX
P1.2/AN2/ECI
P1.3/AN3/CEX0
P1.4/AN4/CEX1
2
3
4
5
6
7
8
9
10
11
12
28
27
26
25
24
23
22
21
20
19
18
17
RESET
VCC
VSS
P4.0
P2.1
P3.6
P3.5/T1
P3.1/TxD
13
P3.0/RxD
14
16
XTAL1
15
XTAL2
SO28
P1.3/AN3/CEX0
P
1
.2
/A
N
2
/E
C
I
P
1
.1
/A
N
1
/T
2
E
X
P
1
.0
/A
N
0
/T
2
VA
R
E
F
VA
G
N
D
RESET
VS
S
VC
C
XT
AL
1
XT
A
L
2
P3.7
P4.0
P4
.1
P2.1
P3.6
25
24
23
22
21
20
19
5
6
7
8
9
10
11
12
13
14
15
16
17
18
4
3
2
P2.0
P1.4/AN4/CEX1
P1.5/AN5
P1.6/AN6
P1.7/AN7
P3
.0
/R
x
D
P3
.1
/Tx
D
P3
.2
/I
N
T
0
P3.3/INT1
P3.4/T0
P3.5/T1
1
28
27
26
VA
V
C
C
PLCC-28
P1.3/AN3/CEX0
P
1
.2
/A
N
2
/E
C
I
P
1
.1
/A
N
1
/T
2
E
X
P1
.0
/A
N
0
/T2
VAR
EF
VAG
N
D
RESET
VS
S
VC
C
XTA
L
1
XTAL
2
P3.7
P4.0
P4
.1
P2.1
P3.6
P2.0
P1.4/AN4/CEX1
P1.5/AN5/CEX2
P1.6/AN6/CEX3
P1.7/AN7/CEX4
P
3
.0
/R
x
D
P3
.1
/Tx
D
P3
.2
/I
N
T
0
P3.3/INT1
P3.4/T0
P3.5/T1
VAVC
C
QFP-32
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
24
25
26
27
28
29
30
31
32
22
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