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W78C51DP-40 데이터 시트보기 (PDF) - Winbond

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W78C51DP-40
Winbond
Winbond Winbond
W78C51DP-40 Datasheet PDF : 18 Pages
First Prev 11 12 13 14 15 16 17 18
Preliminary W78C51D
Application Circuits, continued
Expanded External Data Memory and Oscillator
VDD
VDD
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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