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參數資料
| 型號： | W742S819 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT TELEPHONE CONTROLLER |
| 中文描述： | 4-BIT, OTPROM, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 3/11頁 |
| 文件大小： | 134K |
| 代理商： | W742S819 |
W742S819
Publication Release Date: Aug. 23, 2005
- 3 -
Revision A1
y
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 (FOSC/4 or FOSC/1024) can be selected
Timer 1: with auto-reload function and one of three internal clock frequencies (FOSC,
FOSC/64 or Fslow) 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
16-levels subroutine (include interrupt) nesting
y
y
y
y
y
3. PIN CONFIGURATION
For W742S819 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
73
74
75
76
77
78
79
80
20 21 22 23 24
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
29
31
32
33
34
35
36
37
38
39
40
25
26
27
28
RA2
RA3
RB0
RB1
RB2
RB3
RC0
RC1
RC2
RC3
RD0
RD1
RD2
RD3
M
F
P
N
C
/
R
E
S
X
I
N
X
O
U
T
V
x
x
F
V
F
V
D
D
N
C
O
P
P
3
O
P
N
3
O
P
O
3
O
P
N
2
O
P
P
1
O
P
N
1
C
O
M
0
C
O
M
1
N
C
N
C
R
E
1
R
E
2
V
S
S
S
E
G
0
N
C
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
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
COM6
COM7
COM5
COM4
COM3
RA1
RA0
R
E
0
S
E
G
1
2
C
O
M
2
R
F
3
R
F
2
R
F
1
R
F
0
R
E
3
D
T
M
F
T
E
S
T
O
P
O
1
O
P
P
2
O
P
O
2
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相關代理商/技術參數 |
參數描述 |
|---|---|
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| W7-48D12 | 制造商:INTRONICS 制造商全稱:INTRONICS 功能描述:DC/DC MODULES |
| W7-48D15 | 制造商:INTRONICS 制造商全稱:INTRONICS 功能描述:DC/DC MODULES |
| W7-48D5 | 制造商:INTRONICS 制造商全稱:INTRONICS 功能描述:DC/DC MODULES |
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