w78e516b Winbond Electronics Corp America, w78e516b Datasheet - Page 4
w78e516b
Manufacturer Part Number
w78e516b
Description
8-bit Microcontroller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W78E516B.pdf
(37 pages)
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3. PIN CONFIGURATIONS
INT2, P4.3
INT0, P3.2
INT1, P3.3
RXD, P3.0
TXD, P3.1
T0, P3.4
T1, P3.5
P1.5
P1.6
P1.7
RST
40-Pin DIP
44-Pin PLCC
7
8
9
10
11
12
13
14
15
16
17
18
P
1
.
4
P
3
.
6
,
/
W
R
6
19
P
3
.
7
,
/
R
D
P
1
.
3
5
20
P
1
.
2
4
X
T
A
L
2
21
T
2
E
X
,
P
1
.
1
3
X
T
A
L
1
22
T
2
,
P
1
.
0
V
S
S
2
23
P
4
.
0
/
I
N
T
3
,
P
4
.
2
1 44 43 42 41
24
V
D
D
P
2
.
0
,
A
8
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
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
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
XTAL2
XTAL1
VSS
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
- 4 -
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RXD, P3.0
INT0, P3.2
INT1, P3.3
INT2, P4.3
VDD
EA
PSEN
TXD, P3.1
P0.0, AD0
P0.1, AD1
P0.2, AD2
P0.3, AD3
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
ALE
P2.7, A15
P2.6, A14
P2.5, A13
P2.4, A12
P2.3, A11
P2.2, A10
P2.1, A9
P2.0, A8
T0, P3.4
T1, P3.5
44-Pin QFP
P1.5
P1.6
P1.7
RST
Publication Release Date: April 22, 2008
1
2
4
3
5
6
7
8
9
10
11
12
44 43 42 41
P
3
.
6
,
/
W
R
P
1
.
4
13
P
3
.
7
,
/
R
D
P
1
.
3
14
X
T
A
L
2
P
1
.
2
15
X
T
A
L
1
T
2
E
X
,
P
1
.
1
16
40 39 38 37 36 35
T
2
,
P
1
.
0
V
S
S
17
/
I
N
T
3
,
P
4
.
2
P
4
.
0
18
P
2
.
0
,
A
8
V
D
D
19
W78E516B
P
2
.
1
,
A
9
A
D
0
,
P
0
.
0
20
P
2
.
2
,
A
1
0
A
D
1
,
P
0
.
1
21
P
2
.
3
,
A
1
1
A
D
2
,
P
0
.
2
22
34
P
2
.
4
,
A
1
2
A
D
3
,
P
0
.
3
33
32
31
30
29
28
27
26
25
24
23
Revision A12
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