Introduction
1-2 PLCC28 Adapter for T89C51CC02 User Guide
4219A–CAN–01/03
1.2 T89C51CC01
Package
1.3 Adapter
PLCC44
P1.3/AN3/CEX0
P1.2/AN2/ECI
P1.1/AN1/T2EX
P1.0/AN 0/T2
VAREF
VAGND
RESET
VSS
VCC
XTAL1
XTAL2
P3.7/RD
P4.0/TxDC
P4.1/RxDC
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P3.6/WR
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
PLCC44 Pin PLCC28 Pin Name PLCC44 Pin PLCC28 Pin Name
1 2 VAGND 23 - P2.6/A14
21VAREF 24-P2.5/A13
3 28 P1.0/AN0/T2 25 - P2.4/A12
4 27 P1.1/AN1/T2EX 26 - P2.3/A11
5 26 P1.2/AN2/ECI 27 - P2.2/A10
6 25 P1.3/AN3/CEX0 28 6 P2.1/A9
7 24 P1.4/AN4/CEX1 29 20 P2.0/A8
8 23 P1.5/AN5/CEX2 30 - P0.0/AD0
9 22 P1.6/AN6/CEX3 31 - P0.1/AD1
10 21 P1.7/AN7/CEX4 32 - P0.2/AD2
11 - EA 33 - P0.3/AD3
12 14 P3.0/RxD 34 - P0.4/AD4
13 13 P3.1/TxD 35 - P0.5/AD5
