W81282F Datasheet, PDF (15/18 Pages) Winbond – USB Keyboard Controller with 4 Ports Hub

W81282F
PRELIMINARY
W81282F Reference Schematic
C2 ₊
VCC
10u
VCC
SO15
SO14
R9
10K
LEDNUM
SI0
LEDCAP
SI1
LEDSCR
SI2
LEDOVC
SI3
SI4
RESET
SO16
EESDA
SI5
SI6
SI7
SO17
GANGED
VOLA
VOLB
LEDEN2
PLLE
LEDEN1
X1
X2
SO00
SO01
SO02
SO18
SO03
OCP4
U2
1
2
VDD3V
3 ^VDDA
4 ^SO14/P26
5
6
7
8
9
GNDA
VBUS
SO15/P27
LED0#
SI0/P10
10 ^LED1#
11 ^SI1/P11
12
13
14
15
16
LED2#
SI2/P12
LEDOVR#
SI3/P13
VDD
17 ^VDD
18 ^SI4/P14
19 ^PSEN#
20
21
22
RESET
INPUT_P
SO16
23
24
PSDA/P33
P32/XINT#
25 ^IDSEL1/EESDA
26 ^SI5/P15
27
28
29
30
31
SI6/P16
SI7/P17
BUSPWR#
SO17
GANGED#
32 ^LEDEN4#
33 ^VOLUME_A
34
35
36
37
38
LEDEN3#
VOLUME_B
LEDEN2#
PLLE
LEDEN1#
39 ^XCVREN
40
41
UC51E
GND
42
43
44
XTAL1
XTAL2
ROMEN
45
46
SO00/P07
VDD
47 ^SO01/P06
48
49
50
SO02/P05
SO18
SO03/P04
OCP4#
W81282F-100QFP
D-
D+
NC
GND3V
GND3V
D1-
D1+
NC
NC
D2-
D2+
GND3V
GND3V
NC
D3-
D3+
NC
NC
D4-
D4+
GND3V
GND3V
SO13/P25
SO12/P24
IDSEL0/EESCL
SO11/P23
FWKP5#
SO10/P22
PWEN1#
SO09/P21
OCP1#
SO08/P20
XALE
GND
GND
SO19
SO20/P34
PWEN2#
PSCLK/P35
XWR#/P36
OCP2#
XRD#/P37
SO07/P00
LEDEN0#
SO06/P01
PWEN3#
SO05/P02
OCP3#
PWEN4#
SO04/P03
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
VCC
R32
100K
R33
100K
R34
100K
R35
100K
R36
100K
SO16
SO18
SO19
GANGED
PLLE
C11
15p
C13
15p
C15
15p
R15
R16
C10
15p
R17
R18
C12
15p
R19
R20
C14
15p
30 ^CD-
30 ^CD+
30 ^CD1-
30 ^CD1+
30 ^CD2-
30 ^CD2+
SO13
SO12
EESCL
SO11
SO10
PWEN1
SO09
OCP1
SO08
R28 R29 R30 R31
15K 15K 15K 15K
CD-
CD+
SO19
SO20
PWEN2
OCP2
SO07
LEDEN0
SO06
SO05
OCP3
SO04
PWEN1
FL1
FL2
PWEN2
R11
R12
CD1-
CD1+
15K
15K
U4
1
2 ^C/A
3 ^F/A
4
F/B
C/B
8
O/A ₇
IN ₆
GND
O/B
5
AIC1526-0
VCC
PW1
PW2
R13
R14
15K
15K
CD2-
CD2+
Place R15 ~ R20 & C10 ~ C15
as close as W81282F
VCC
R22
7.5K
+ CT1
10u
L6
FB
C31 47pF C30
C16
0.1u
47pF
USB1
1
2
3
4
L5
FB
UP-PORT
FB(30ohm)
FB(30ohm)
C5
120u
C7
0.1u
C6
120u
FB(30ohm)
FB(30ohm)
L1
L2
C26
47pF
C8
0.1u
USB2
USB(A)
1
2
3
4
C27
47pF
L3
L4
C28
47pF
C9
0.1u
USB3
USB(A)
1
2
3
4
C29
47pF
JP1
JUMPER
JP4
JP2
JUMPER
JP5
JP3
LEDNUM
LEDCAP
LEDSCR
EESCL
JUMPER
JP6
Option
LEDEN0
LEDEN1
LEDEN2
LEDOVC
JUMPER
JUMPER
JUMPER
EESDA
LEDNUM
X1
X2
Y1
12M
C4
30p
C3
30p
Option
VCC
+ C1
10u
RESET
R8
8.2K
LEDCAP
LEDSCR
OCP1
OCP2
VCC
R23
R24
R25
R26
R21
10K
R27
10K
10K
10K
10K
10K
VCC
U1
1
2 ^A0
3 ^A1
4
A2
VSS
24LC04B
VCC
8
VCC ₇
RC ₆
SCL
SDA
5
EESCL
EESDA
C18
C17
0.1u
0.1u
VCC
D1
R7
EN0
D2
R6
EN1
D3
R5
EN2
D7
R4
OVC
470
470
470
470
D4
R1
NUMLK
D5
R2
CAPLK
D6
R3
SCRLK
470
470
470
SI0
SI1
SI2
SI3
SI4
SI5
SI6
SI7
SO00
SO01
SO02
SO03
SO04
SO05
SO06
SO07
SO08
SO09
SO10
SO11
SO12
SO13
SO14
SO15
SO16
SO17
SO18
SO19
SO20
SI0
SI1
SI2
SI3
SI4
SI5
SI6
SI7
SO00
SO01
SO02
SO03
SO04
SO05
SO06
SO07
SO08
SO09
SO10
SO11
SO12
SO13
SO14
SO15
SO16
SO17
SO18
SO19
SO20
OCP3
OCP4
FL1
FL2
Title
Size
Date:
inbond
WINBOND ELECTRONICS CORP_
W81282F Reference Schematic
Document Number
282DEMO1.SCH
Rev
1.0
Thursday, August 19, 1999
Sheet
1
of
1
Publication Release Date: Aug. 1999
- 12 -
Revision 0.5