W78E52BF-40 WINBOND [Winbond], W78E52BF-40 Datasheet - Page 19

• Manufacturer Part Number: W78E52BF-40
• Description: 8-BIT MTP MICROCONTROLLER
• Manufacturer: WINBOND [Winbond]

TYPICAL APPLICATION CIRCUITS
Expanded External Program Memory and Crystal
Note: C1, C2, R components refer to Figure A.
8.2 K
V
DD
10 u
C1
CRYSTAL
Above table shows the reference values for crystal applications (full gain).
C2
V
DD
R
12
13
14
15
18
19
31
9
8
1
2
3
4
5
6
7
16 MHz
24 MHz
33 MHz
40 MHz
CRYSTAL
W78E52B
XTAL2
INT1
T0
XTAL1
RST
INT0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
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
TXD
ALE
WR
RD
39
38
37
36
21
28
35
22
23
24
25
26
27
34
33
32
17
16
29
30
11
10
Figure A
AD1
AD3
AD2
AD4
AD5
AD6
AD7
AD0
30P
15P
10P
A9
A10
A11
A12
A13
A14
A15
A8
- 19 -
C1
5P
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD0
GND
13
14
17
18
11
4
7
8
3
1
30P
15P
10P
74373
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
5P
C2
Preliminary W78E52B
Publication Release Date: December 1998
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
12
15
16
19
5
6
9
2
A0
A1
A2
A3
A4
A5
A6
A7
6.8K
4.7K
R
-
-
GND
A10
A13
A11
A12
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
10
25
24
21
23
26
27
20
22
2
9
8
7
6
5
4
1
3
27512
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
OE
CE
O0
O1
O2
O3
O4
O5
O6
O7
Revision A1
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7