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W78C51DP-40 데이터 시트보기 (PDF) - Winbond
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W78C51DP-40
8-BIT MICROCONTROLLER
Winbond
W78C51DP-40 Datasheet PDF : 18 Pages
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Preliminary W78C51D
Application Circuits, continued
Expanded External Data Memory and Oscillator
V
DD
V
DD
10 u
OSCILLATOR
8.2 K
31
EA
19
XTAL1
18
XTAL2
9
RST
12 INT0
13
14
15
INT1
T0
T1
1
2
P1.0
P1.1
3
4
P1.2
P1.3
5
P1.4
6
P1.5
7
P1.6
8
P1.7
W78C51D
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
39 AD0
38 AD1
37 AD2
36 AD3
35 AD4
34 AD5
33 AD6
32 AD7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
21 A8
22 A9
23 A10
24 A11
25 A12
26 A13
27 A14
28
RD
17
WR
16
29
PSEN
ALE
TXD
RXD
30
11
10
AD0 3
D0
AD1 4
AD2 7
D1
D2
AD3 8
D3
AD4 13
D4
AD5 14
D5
AD6 17
D6
AD7 18
D7
Q0
2 A0
Q1
5 A1
Q2
6 A2
Q3
9 A3
Q4
12 A4
Q5
15 A5
Q6
16 A6
Q7
19 A7
GND 1
OC
11 G
74HC373
A0 10
A1 9
A2 8
A3 7
A4 6
A5 5
A6 4
A7 3
A8 25
A9 24
A10 21
A11 23
A12 2
A13 26
A14 1
A0 D0
11
A1 D1 12
A2 D2
13
A3 D3
15
A4 D4 16
A5 D5
17
A6 D6 18
A7 D7
19
A8
A9
A10
A11
A12
A13
A14
GND
20
CE
22 OE
27
WR
20256
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
Figure B
- 16 -
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