
Preliminary W77E58
Publication Release Date: March 1999
Revision A1
- 3 -
PIN CONFIGURATION
VDD
P0.0, AD0
P0.1, AD1
P0.2, AD2
P0.3, AD3
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
39
38
40
34
33
35
36
37
30
29
31
32
26
25
27
28
21
22
23
24
EA
ALE
PSEN
P2.7, A15
P2.5, A13
P2.4, A12
P2.6, A14
P2.0, A8
P2.1, A9
P2.2, A10
P2.3, A11
T2, P1.0
T2EX, P1.1
40-Pin DIP (W77E58)
RXD1, P1.2
TXD1, P1.3
INT2, P1.4
INT3, P1.5
INT4, P1.6
INT5, P1.7
RXD, P3.0
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
WR, P3.6
RD, P3.7
XTAL2
RST
XTAL1
VSS
44-Pin PLCC (W77E58P)
44-Pin QFP (W77E58F)
34
33
32
31
30
29
28
27
26
25
24
23
22
40 39 38 37 36 35
44 43 42 41
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
P4.1
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
21
20
19
18
17
16
15
14
13
12
11
4
5
3
2
1
8
9
7
6
10
INT3, P1.5
INT4, P1.6
INT5, P1.7
RST
RXD, P3.0
P4.3
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
X
T
A
L
1
V
S
S
P
2
.
4
,
A
1
2
P
2
.
3
,
A
1
1
P
2
.
2
,
A
1
0
P
2
.
1
,
A
9
P
2
.
0
,
A
8
X
T
A
L
2
P
3
.
7
,
/
R
D
P
3
.
6
,
/
W
R
40
39
38
37
36
35
34
33
32
31
30
29
28
2
1 44 43 42 41
6
5
4
3
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
P4.1
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
27
26
25
24
23
22
21
20
19
18
17
10
11
9
8
7
14
15
13
12
16
INT3, P1.5
INT4, P1.6
INT5, P1.7
RST
RXD, P3.0
P4.3
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
X
T
A
L
1
V
S
S
P
2
.
4
,
A
1
2
P
2
.
3
,
A
1
1
P
2
.
2
,
A
1
0
P
2
.
1
,
A
9
P
2
.
0
,
A
8
X
T
A
L
2
P
3
.
7
,
/
R
D
P
3
.
6
,
/
W
R
A
D
3
,
P
0
.
3
T
2
,
P
1
.
0
P
1
.
2
V
D
D
A
D
2
,
P
0
.
2
A
D
1
,
P
0
.
1
A
D
0
,
P
0
.
0
T
2
E
X
,
P
1
.
1
P
1
.
3
P
1
.
4
,
X
D
1
R
,
X
D
1
T
A
D
3
,
P
0
.
3
T
2
,
P
1
.
0
P
1
.
2
V
D
D
A
D
2
,
P
0
.
2
A
D
1
,
P
0
.
1
A
D
0
,
P
0
.
0
T
2
E
X
,
P
1
.
1
P
1
.
3
P
1
.
4
,
,
X
D
1
X
D
1
R
T
,
N
T
2
I
,
N
T
2
I
P
4
.
2
P
4
.
2
P
4
.
0
,
/
W
A
I
T
P
4
.
0
,
/
W
A
I
T