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參數(shù)資料
| 型號： | W-25 |
| 元件分類： | 保險(xiǎn)絲 |
| 英文描述： | Fuse |
| 中文描述： | 保險(xiǎn)絲 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 211K |
| 代理商： | W-25 |
Preliminary W81181D/AD
Publication Release Date: October 1999
- 15 -
Revision A1
8. TYPICAL APPLICATION
W81181D
W81181D Reference Schematic
2.1
Size
1
1
Friday, July 09, 1999
Document Number
Rev
Date:
Sheet
of
VCC
VCC
VCC
VDD3
VBUS
VCC
VBUS
VCC
VCC2
VCC2
VCC
W81181D USB Hub Reference Schematic (Pure Hub)
Vendor ID / Product ID build in EEPROM
D-
D+
D1-
D2-
D2+
D1-
D-
D+
PW1
PW2
FL1
FL2
D2-
FL3
FL4
D3-
PWEN3
FL3
FL4
PW3
PW4
D4-
SCL
FL2
PWEN1
FL1
X2
D3-
D3+
D4-
D4+
OCP3
LEDEN3
OCP4
LEDOC1
RESET
X1
OCP1
SCL
PWEN2
LEDOC1
RESET
LEDEN1
PWRDET
EXTPUEN
LEDHUB
LEDEN2
X1
X2
OCP1
OCP2
LEDOC2
LEDEN1
PWEN1
OCP3
D1
LED
D2
LED
D3
LED
D4
LED
D5
LED
C1
+
120u
C2
+
120u
C3
0.1u
R1
15K
15K
R2
R3
15K
15K
R4
C4
+
120u
C5
+
120u
C6
0.1u
R5
15K
15K
R6
R7
15K
15K
R8
12MHz
inbond
10u
+
10u
+
R13
R14
R15
R16
30
30
30
30
30
30
C9
15p
C10
15p
C11
15p
C12
15p
C13
15p
C14
15p
C15
15p
C16
15p
C17
15p
C18
15p
R21
30
R22
30
D6
LED
D7
LED
D8
LED
D9
LED
U1
A0
A1
A2
24LC04B
1
2
3
4
SCL
5
6
RC
7
VCC
8
C30
+
0.1u
C31
+
0.1u
C32
+
0.1u
C33
0.1u
+
USB(A)
1
2
3
45
6
C34
10u
+
C35
0.1u
+
C36
0.1u
+
R23
10K
R24
10K
R25
10K
R26
10K
R27
10K
R28
10K
R29
10K
R30
10K
C37
0.1u
+
C38
0.1u
+
C39
0.1u
+
C40
0.1u
+
27K
C41
30p
C42
30p
220
220
220
220
220
220
220
220
220
3.3K
USB5
USB(A)
1
2
3
45
6
USB4
USB(A)
1
2
3
45
6
C29
+
0.1u
USB2
USB(A)
1
2
3
45
6
U2
AIC1526-0
C/A
F/A
F/B
C/B
1
2
3
4
O/A
IN
GND
O/B
8
7
6
5
U3
AIC1526-0
C/A
F/A
F/B
C/B
1
2
3
4
O/A
IN
GND
O/B
8
7
6
5
USB1
USB(B)
1
2
3
45
6
R33
7.5K
R17
R18
R19
R20
30
30
4.7K
U4
W81181D-48LQFP
VDD
9
XTAL1
20
21
17
16
15
14
8
7
DP1
DP2
DP3
DP4
45
44
43
42
40
39
38
37
PWEN1
33
30
27
25
OCP2
29
26
24
LEDEN2
6
5
12
13
34
35
GGND
3
GND3V
36
41
46
LEDEN0
28
18
RESET
10
OCP1
32
INT1/P33
11
22
2
VDD3V
1
SACK/INDIV
23
4
DP0
48
47
31
GND
19
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