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W78E052C データシートの表示(PDF) - Winbond

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コンポーネント説明
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W78E052C
Winbond
Winbond Winbond
W78E052C Datasheet PDF : 22 Pages
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W78E52C/W78E052C
9. TYPICAL APPLICATION CIRCUITS
9.1 Expanded External Program Memory and Crystal
VDD
10 u
8.2 K
C1
VDD
CRYSTAL
C2
31
19
R 18
EA
XTAL1
XTAL2
9
RST
12
INT0
13 INT1
14 T0
15 T1
1
P1.0
2
P1.1
3 P1.2
4 P1.3
5 P1.4
6
7
8
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 A15
17
16
29
30
11
10
AD0 3 D0
AD1 4 D1
AD2 7 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
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 27
A15 1
GND 20
22
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
CE
OE
27512
O0
O1
O2
O3
O4
O5
O6
O7
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
Figure A
CRYSTAL
16 MHz
24 MHz
33 MHz
40 MHz
C1
C2
R
30P
30P
-
15P
15P
-
10P
10P
6.8K
5P
5P
4.7K
Above table shows the reference values for crystal applications (full gain).
Note: C1, C2, R components refer to Figure A.
- 18 -

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