W78C32C Datasheet, PDF (11/14 Pages) Winbond – 8-BIT MICROCONTROLLER

TYPICAL APPLICATION CIRCUIT
Using External Program Memory and Crystal
W78C32C
V _CC
10 u
8.2 K
CRYSTAL
C1
C2
31
19
R ₁₈
EA
XTAL1
XTAL2
9 RST
12 ^INT0
13 INT1
14
15
T0
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
W78C32C
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
74LS373
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
11
12
AD0
AD1
O2 ^{13 AD2}
O3
O4
15
16
AD3
AD4
O5 ^{17 AD5}
O6 ^{18 AD6}
O7 ^{19 AD7}
Figure A
CRYSTAL
16 MHz
24 MHz
33 MHz
40 MHz
C1
C2
30P
30P
15P
15P
10P
10P
5P
5P
R
-
-
6.8K
6.8K
Above table shows the reference values for crystal applications.
Note: C1, C2, R components refer to Figure A.
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Publication Release Date: July 1999
Revision A2