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參數(shù)資料
型號(hào): W79E201A16PN
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, 16 MHz, MICROCONTROLLER, PQCC44
封裝: ROHS COMPLIANT, PLASTIC, LCC-44
文件頁(yè)數(shù): 77/87頁(yè)
文件大小: 818K
代理商: W79E201A16PN
W79E201
Publication Release Date: December 16, 2004
- 77 -
Revision A2
24. TYPICAL APPLICATION CIRCUITS
Expanded External Program Memory and Crystal
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A0
A1
A2
A3
A4
A5
A6
A7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
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
AD3
AD4
AD5
AD6
AD7
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
74F373
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
EA
31
XTAL1
19
XTAL2
18
RST
9
INT0
INT1
T0
T1
12
13
14
15
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
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
P0.3
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
PSEN
ALE
TXD
RXD
W79E201
10 u
8.2 K
CC
V
CRYSTAL
C1
C2
R
A8
A9
A10
A11
A12
A13
A14
A15
GND
GND
CC
V
Figure A
CRYSTAL
C1
C2
R
12 MHz
Not
necessary
Not
necessary
Not
necessary
16 MHz
Not
necessary
Not
necessary
Not
necessary
Pull
EA
low to let CPU fetches code in the embedded flash ROM when the program counter is lower
than 16K and as the program counter is higher than 16K the CPU will fetch program code from
extended external program memory automatically.
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