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參數(shù)資料
型號(hào): W78IE52
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁(yè)數(shù): 19/22頁(yè)
文件大小: 281K
代理商: W78IE52
Preliminary W78IE52
Publication Release Date: April 20, 2005
- 19 -
Revision A2
13. TYPICAL APPLICATION CIRCUITS
Expanded External Program Memory and Crystal
AD0
AD1
AD2
AD5
AD6
A0
A1
A2
A3
A4
A5
A6
A7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A14
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A13
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
1
CE
OE
20
22
O0
O1
O2
O3
O4
O5
O6
O7
11
12
13
15
16
17
18
19
27512
AD0
AD1
AD2
AD5
AD6
D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
17
18
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
OC
G
1
11
74373
AD0
AD1
AD4
AD6
AD7
EA
31
XTAL1
19
XTAL2
18
RST
9
INT0
INT1
T0
T1
12
13
14
15
P1.0
P1.2
P1.3
P1.4
P1.5
1
2
3
4
5
6
7
8
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
17
16
29
30
11
10
WR
P0.0
P0.1
P0.2
P0.4
P0.5
P2.0
P2.2
P2.3
P2.6
RD
PALE
TXD
RXD
W78IE52
10 u
8.2 K
DD
CRYSTAL
C1
C2
R
A8
A9
A10
A13
A14
A15
GND
GND
V
DD
V
Figure A
CRYSTAL
C1
C2
R
16 MHz
30P
30P
-
24 MHz
15P
15P
-
Above table shows the reference values for crystal applications (full gain).
Note: C1, C2, R components refer to Figure A.
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