W78E516B-24 Winbond, W78E516B-24 Datasheet - Page 2

• Manufacturer Part Number: W78E516B-24
• Description: 8-BIT MICROCONTROLLER
• Manufacturer: Winbond

PIN CONFIGURATIONS
INT1, P3.3
INT0, P3.2
RXD, P3.0
TXD, P3.1
T0, P3.4
T1, P3.5
P1.5
P1.6
P1.7
P4.3
RST
T2EX, P1.1
INT0, P3.2
INT1, P3.3
RXD, P3.0
TXD, P3.1
WR, P3.6
RD, P3.7
T0, P3.4
T1, P3.5
T2, P1.0
44-pin PLCC (W78E516BP)
XTAL2
XTAL1
40-pin DIP (W78E516B)
VSS
P1.7
P1.2
P1.3
P1.4
P1.5
P1.6
RST
7
8
9
10
11
12
13
14
15
16
17
18
P
1
.
4
P
3
.
6
,
/
W
R
6 5 4 3
19
P
3
.
7
,
/
R
D
P
1
.
3
20
P
1
.
2
X
T
A
L
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
T
2
E
X
,
P
1
.
1
X
T
A
L
1
22
T
2
,
P
1
.
0
V
S
S
- 2 -
2 1 44 43 42 41
23
P
4
.
0
P
4
.
2
24
V
D
D
P
2
.
0
,
A
8
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
25
P
2
.
1
,
A
9
A
D
0
,
P
0
.
0
26
P
2
.
2
,
A
1
0
A
D
1
,
P
0
.
1
27
VDD
P0.1, AD1
P0.2, AD2
P0.3, AD3
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
P2.4, A12
P2.3, A11
P2.2, A10
P2.1, A9
P2.0, A8
P0.0, AD0
P
2
.
3
,
A
1
1
A
D
2
,
P
0
.
2
28
40
A
D
3
,
P
0
.
3
P
2
.
4
,
A
1
2
39
38
37
36
35
34
33
32
31
30
29
P4.1
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
W78E516B