W78C32C Datasheet, PDF (14/18 Pages) Winbond – 8-BIT MICROCONTROLLER

W78C32C/W78C032C
8. TYPICAL APPLICATION CIRCUIT
8.1 Using External Program Memory and Crystal
V _CC
10 u
8.2 K
CRYSTAL
C1
C2
31 _EA
19 _XTAL1
R _{18 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 P1.5
7 P1.6
8 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
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
W78C32C/W78C032C
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
74LS373
A0 10
A1 9
A2 8
A3 7
A4 6
A5 5
A6 4
A0
A1
A2
A3
A4
A5
A6
A7 3
A8 25
A9 24
A10 21
A7
A8
A9
A10
A11 23 _A11
A12 2
A13 26
A14 27
A12
A13
A14
A15 1 _A15
GND _{20 CE}
22 _OE
27512
O0 ^{11 AD0}
O1
O2
12
13
AD1
AD2
O3 ^{15 AD3}
O4 ^{16 AD4}
O5 ^{17 AD5}
O6 ^{18 AD6}
O7 ^{19 AD7}
Figure A
CRYSTAL
16 MHz
24 MHz
C1
C2
30P
30P
15P
15P
33 MHz
40 MHz
10P
10P
5P
5P
Above table shows the reference values for crystal applications.
Note: C1, C2, R components refer to Figure A.
R
-
-
6.8K
6.8K
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