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W78L054A データシートの表示(PDF) - Winbond
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W78L054A
8-BIT MICROCONTROLLER
Winbond
W78L054A Datasheet PDF : 26 Pages
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W78LE54/W78L054A
12. TYPICAL APPLICATION CIRCUITS
Expanded External Program Memory and Crystal
V
DD
10 u
8.2 K
C1
V
DD
CRYSTAL
C2
31
19
R
18
9
12
13
14
15
1
2
3
4
5
6
7
8
EA
XTAL1
XTAL2
RST
INT0
INT1
T0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
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
W78LE54/W78L054A
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 Q0
2 A0
AD1 4 D1 Q1 5 A1
AD2 7 D2 Q2 6 A2
AD3 8 D3 Q3 9 A3
AD4 13 D4 Q4 12 A4
AD5 14 D5 Q5 15 A5
AD6 17 D6 Q6 16 A6
AD7 18 D7 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
11 AD0
O1
12 AD1
O2
13 AD2
O3
15 AD3
O4
16 AD4
O5
17 AD5
O6
18 AD6
O7
19 AD7
Figure A
CRYSTAL
16 MHz
20 MHz
C1
C2
R
30P
30P
-
15P
15P
-
Above table shows the reference values for crystal applications (full gain).
Note
: C1, C2, R components refer to Figure A.
- 22 -
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