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參數資料
型號: W742C810
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, MROM, 3.58 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 4/42頁
文件大小: 501K
代理商: W742C810
Preliminary W742C810
- 4 -
DTMF output pin
Output is one channel Dual Tone Multi-frequency signal for dialling
Two built-in 14-bit frequency dividers
Divider0: the clock source is the output of the main oscillator
Divider1: the clock source is the output of the sub-oscillator
Two built-in 8-bit programmable countdown timers
Timer 0: one of two internal clock frequencies (F
OSC
/4 or F
OSC
/1024) can be selected
Timer 1: with auto-reload function, and one of three internal clock frequencies (F
OSC,
F
OSC
/64 or
Fs) can be selected by MR1 register; the specified frequency can be delivered to MFP pin
Built-in 18/15-bit watchdog timer selectable for system reset; enable the watch dog timer or not is
determined by code option
Powerful instruction set: 131 instructions
8-level subroutine (include interrupt) nesting
3. PIN CONFIGURATION
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19
36
35
37
38
39
40
41
42
43
44
45
46
47
48
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
RC1
RC2
RC0
RB3
RB2
RB1
RB0
RA3
RA1
RA2
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
R
E
1
R
E
2
RA0
MFP
NC
20 21 22 23 24
49
50
61 60 59 58 57
N
C
NC
SEG32
RD0
RD1
RC3
25 26 27 28 29
56 55 54 53 52
RD2
RD3
NC
RE0
31
32
33
34
N
C
N
C
N
C
R
E
3
R
F
0
R
F
1
R
F
2
R
F
3
V
S
S
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
N
C
N
C
N
C
N
C
51
30
N
C
N
C
N
C
N
C
S
E
G
3
3
S
E
G
3
4
S
E
G
3
5
S
E
G
3
6
S
E
G
3
7
S
E
G
3
8
S
E
G
3
9
C
O
M
3
C
O
M
2
C
O
M
1
C
O
M
0
V
D
D
2
V
D
D
1
D
H
2
D
H
1
X
O
U
T
2
X
I
N
2
V
D
D
X
O
U
T
1
X
I
N
1
D
T
M
F
R
E
S
N
C
N
C
N
C
N
C
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