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參數資料
型號: W742C814
廠商: WINBOND ELECTRONICS CORP
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數: 4/46頁
文件大小: 704K
代理商: W742C814
W742C814
- 4 -
Output is one channel Dual Tone Multi-Frequency signal for dialing
Two built-in 14-bit frequency dividers
Divider0: the clock source is the output of the Fosc-oscillator
Divider1: the clock source is the output of the Fslow-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; and 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
Build-in Power-on reset detested circuit
Powerful instruction set: 1XX instructions
8-levels subroutine (include interrupt) nesting
3. PIN CONFIGURATION
For W742C814 QFP 80-pin
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
65
66
67
68
69
70
71
72
20 21 22 23 24
73
74
75
76
77
78
79
80
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
30
31
32
33
34
35
36
37
38
39
40
25
26
27
28
29
RA2
RB1
RB3
RC0
RC3
RD3
RE0
RE1
SEG15
1
0
P
S
F
2
1
D
C
F
F
N
T
C
1
2
1
2
0
1
2
3
C
1
C
C
2
3
S
C
0
C
C
1
2
3
4
5
6
7
8
9
0
1
2
3
C
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
4
RA3
RB0
RB2
RC1
RC2
RD0
RD1
RD2
R
A
R
A
M
F
/
R
E
D
T
M
T
E
S
T
T
E
S
T
V
D
N
V
X
X
V
X
I
X
O
U
N
D
H
D
H
V
D
D
V
D
D
C
O
M
C
O
M
C
O
M
C
O
M
N
S
E
G
3
N
N
R
E
R
E
V
S
N
S
E
G
N
N
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
S
E
G
1
S
E
G
1
S
E
G
1
S
E
G
1
N
S
E
G
1
相關PDF資料
PDF描述
W742E813 4-BIT MICROCONTROLLER
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W742S819 4-BIT TELEPHONE CONTROLLER
W742S81A 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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相關代理商/技術參數
參數描述
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