W78E516B-24 Winbond, W78E516B-24 Datasheet - Page 20

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W78E516B-24

Manufacturer Part Number
W78E516B-24
Description
8-BIT MICROCONTROLLER
Manufacturer
Winbond
Datasheet

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Tipical Application Circuit, continued
Expanded External Data Memory and Oscillator
8.2 K
V
DD
10 u
OSCILLATOR
19
18
12
13
14
15
31
9
1
2
3
4
8
5
6
7
W78E516B
XTAL1
XTAL2
RST
T0
T1
EA
INT0
INT1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
PSEN
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
TXD
RXD
ALE
WR
RD
39
38
37
36
35
34
33
32
21
22
23
24
25
26
28
27
17
16
30
11
10
29
Figure B
AD0
AD7
AD1
AD2
AD3
AD4
AD5
AD6
- 20 -
A8
A9
A13
A10
A11
A12
A14
AD7
AD0
AD1
AD2
AD3
AD4
AD5
AD6
GND
13
14
17
18
11
3
4
7
8
1
OC
G
D0
D1
D2
D3
D4
D5
D6
D7
74LS373
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
12
16
19
15
2
5
9
6
A0
A1
A2
A3
A4
A5
A6
A7
GND
A0
A10
A11
A12
A13
A14
A1
A2
A3
A4
A5
A6
A7
A8
A9
25
24
21
23
26
20
10
22
27
9
8
7
6
5
4
3
2
1
20256
W78E516B
OE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
WR
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7

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