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W78E052C 데이터 시트보기 (PDF) - Winbond
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W78E052C
8-BIT MICROCONTROLLER
Winbond
W78E052C Datasheet PDF : 22 Pages
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W78E52C/W78E052C
Typical Application Circuits, continued
9.2 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
3
4
5
6
7
8
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
W78E52B
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
RD
WR
PSEN
ALE
TXD
RXD
39 AD0
38 AD1
37 AD2
36 AD3
35 AD4
34 AD5
33 AD6
32 AD7
21
A8
22 A9
23 A10
24 A11
25 A12
26 A13
27 A14
28
17
16
29
30
11
10
AD0 3
AD1 4
AD2 7
AD3 8
AD4 13
AD5 14
AD6 17
AD7 18
GND 1
11
D0 Q0
2 A0
D1 Q1
5 A1
D2 Q2
6 A2
D3 Q3
9 A3
D4 Q4
12 A4
D5 Q5
15 A5
D6 Q6
16 A6
D7 Q7
19 A7
OC
G
74373
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
GND 20
22
27
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
OE
WR
20256
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
Figure B
- 19 -
Publication Release Date: November 6, 2006
Revision A4
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