w78c32c Winbond Electronics Corp America, w78c32c Datasheet - Page 11

• Manufacturer Part Number: w78c32c
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

TYPICAL APPLICATION CIRCUIT
Using External Program Memory and Crystal
Note: C1, C2, R components refer to Figure A.
8.2 K
V
CC
10 u
C1
CRYSTAL
C2
Above table shows the reference values for crystal applications.
R
12
13
14
15
19
18
31
9
8
2
3
4
5
6
7
1
16 MHz
24 MHz
33 MHz
40 MHz
W78C32C
CRYSTAL
XTAL1
XTAL2
RST
INT1
T0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
INT0
EA
PSEN
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
RXD
ALE
TXD
RD
WR
38
37
36
35
34
33
32
21
25
39
22
23
24
26
27
28
17
16
11
10
29
30
AD1
AD2
AD3
AD4
AD5
AD6
Figure A
AD0
AD7
A9
A10
A11
A12
A15
A13
A14
A8
30P
15P
10P
- 11 -
C1
5P
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
13
14
17
18
11
4
7
8
3
1
74LS373
30P
15P
10P
D0
D1
D2
D3
D4
D5
D6
D7
G
OC
5P
C2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
12
15
16
19
2
5
6
9
Publication Release Date: July 1999
A0
A1
A2
A3
A4
A5
A6
A7
6.8K
6.8K
R
-
-
GND
A10
A13
A11
A12
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
27
20
22
10
25
24
21
23
26
2
1
9
8
7
6
5
4
3
27512
OE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
CE
W78C32C
O0
O1
O2
O3
O4
O5
O6
O7
Revision A2
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7