!
"
#
#
!$
!
%
!" #$$
!%& '()*+
& )'
,""-*
'-)
&
'( )
*
+
,-
&
'(#
)
*
+
,-
&
'(#
)
*
+
,-
&
.'( )
*
+
,-
&
'-
&
'-
&
.'-
+/0123- .
&
'.'-
&
'-
!
&
'4
# 5.6 7
$
4
$$ $
$ ( 8, 7 ( 8, 5
9 .
6 (5.6,
+$47$
&
'
$
5.69
:$47!$
5.6
)565.6$5.6)56+;
947$
7$
&
' 5.6
$
&
'
$ 4 7$ 4
$
4
4
94
9
7 0 &
'
7
75.6*+07$
&
'
$ 5.6 9
( 7
$
, 7
!
9
7$ &
'
7
$
5.69
7
$
7
5.6;9)+'*'
;9
*$
7
5.6);9
.$
7
3$$
<<
(=;/ >6!; ,
.<77$77$7$
< 8!
73 +(&
',
#
< 8
$
(&
',
..;$
7$7
9
07
(*+,
?3'
!
@
9 /*2(9
,
.
A
7
$A<A
0
9
(*7+,
29
:<
<$
2B7$7
#
<
?C 2
A* /.9
0.
+3
(.+3,5.677 * 5.6
2
().,
9 $ 0 ) ;
7
$0*
*$
7
7
$9
+ /06*
7*)
*
!
!
!
"
"
"
"
"
"##
!
!
"
"
"
"
"
"##
!
!
"
"
"
"
"
"##
!
!
"
"
"
"
"
"##
#
"
"
"
"
"
"##
#
"
"
"
"
"
"##
$
!
27
<
"
27
!
<
#"
27
"
<
#
$%
+5'0
# $ ! %! $"&
'"("(
)
<
&'()
+/52
*+%
",-"
/
&'!)
+/52
*%
",-"
/
%
&'*)
+/52
*.%
",-"
/
&'+)
+/52
*/%
",-"
/
27
-
<
,'%'
+5'0
0 ''
<
!-!.
+)
+/5'
$&'1#
/2""(%"
"3-
4$("""
5
+-/.
%"0
+/5'
$&'/5""(%"
" 3 4$(""" #
$(""" ' #-#
#- 3"4
6 6,-$""!$!
5
+-+.
%%$
+/5'
$&'//""(%"
"(3
)4$("""
5
#
&''1)
+/52
-!$7,- !"('1(8
,-!'7(
/
&''()
+/52
-!$+,- !"('1(8
,-!'+(
/
&''!)
+/52
-!$,- !"('1(8
,-!'(
/
%
&''*)
+/52
-!$.,- !"('1(8
,-!'.(
/
&''+)
+/52
-!$/,- !"('1(8
,-!'/(
/
#
27
-"
<
2"&+
/.*
# */.09:
<
2"&*
/.*
*/.09:
<
27
-
/
/
#
()
+5'0
-!$+% !
<
'()
/
-!$+! !
/
!)
+5'0
-!$% !
<
%
'!)
/
-!$! !
/
&''/)
+/52
$ 5 ,- ! " ('1(8
,-!'$5(
/
*)
+5'0
-!$.% !
<
'*)
/
-!$.! !
/
#
27
-"
+)
+5'0
-!$/%,- !
<
'+)
/
-!$/! !
/
#
01
+5'
,$("""!8%
'
+-*.
%%1
,'
+/5'
$& ' /. " " $("""
" #$("""'
%!"39'4(%!"3!4'(
<
#!
27
6""+
<
%
(
+/
)-;"!$+
<
(
+/
)-%"!$+
<
!
+/
)-;"!$
<
#
!
+/
)-%"!$
<
#
#!
27
6"/".
<
#
*
+/
)-;"!$.
<
#
*
+/
)-%"!$.
<
##
+
+/
)-;"!$/
<
#
+
+/
)-%"!$/
<
#
#!
27
6"5
<
#%
/
+/
)-;$5
<
#
/
+/
)-%$5
<
!
27
<
"
27
!
<
#"
27
"
<
#
$%
+5'0
# $ ! %! $"&
'"("(
)
<
&'()
+/52
*+%
",-"
/
&'!)
+/52
*%
",-"
/
%
&'*)
+/52
*.%
",-"
/
&'+)
+/52
*/%
",-"
/
27
-
<
,'%'
+5'0
0 ''
<
!-!.
+)
+/5'
$&'1#
/2""(%"
"3-
4$("""
5
+-/.
%"0
+/5'
$&'/5""(%"
" 3 4$(""" #
$(""" ' #-#
#- 3"4
6 6,-$""!$!
5
+-+.
%%$
+/5'
$&'//""(%"
"(3
)4$("""
5
#
&''1)
+/52
-!$7,- !"('1(8
,-!'7(
/
&''()
+/52
-!$+,- !"('1(8
,-!'+(
/
&''!)
+/52
-!$,- !"('1(8
,-!'(
/
%
&''*)
+/52
-!$.,- !"('1(8
,-!'.(
/
(3&0')
+5'
9' ( $(""" - 3/.09: +<09:4 #
'"( 8 ! !'+<0':8
5
&''+)
+/52
-!$/,- !"('1(8
,-!'/(
/
#
27
-"
<
7 #-,#
# 3=<//</ -4&"
(3&0
/.*
8+<09:
<
27
-
/
/
#
()
+5'0
-!$+% !
<
'()
/
-!$+! !
/
!)
+5'0
-!$% !
<
%
'!)
/
-!$! !
/
&''/)
+/52
$ 5 ,- ! " ('1(8
,-!'$5(
/
*)
+5'0
-!$.% !
<
'*)
/
-!$.! !
/
#
27
-"
+)
+5'0
-!$/%,- !
<
'+)
/
-!$/! !
/
#
01
+5'
,$("""!8%
'
+-*.
%%1
,'
+/5'
$& ' /. " " $("""
" #$("""'
%!"39'4(%!"3!4'(
<
#!
27
6""+
<
%
(
+/
)-;"!$+
<
(
+/
)-%"!$+
<
!
+/
)-;"!$
<
#
!
+/
)-%"!$
<
#
#!
27
6"/".
<
#
*
+/
)-;"!$.
<
#
*
+/
)-%"!$.
<
##
+
+/
)-;"!$/
<
#
+
+/
)-%"!$/
<
#
#!
27
6"5
<
#%
/
+/
)-;$5
<
#
/
+/
)-%$5
<
!
27
<
"
27
!
<
#"
27
"
<
#
$%
+5'0
# $ ! %! $"&
'"("(
)
<
&'()
+/52
*+%
",-"
/
&'!)
+/52
*%
",-"
/
%
&'*)
+/52
*.%
",-"
/
&'+)
+/52
*/%
",-"
/
27
-
<
,'%'
+5'0
0 ''
<
%')/
+/5'
9($(
+%3,
25>,
2/>/4
%3,
25>5?,
2/>/4
.%3,
25>/?,
2/>54
5
''&0
+/5'
,,08
5
''"
%')+
+/5'
$&',,0" #,,0
"&''($(
5
#
+/52
/
&''()
+/52
-!$ + ,- ! " ,- !'
+(
/
&''!)
+/52
-!$ ,- ! " ,- !'
(
/
%
&''*)
+/52
-!$ . ,- ! " ,- !'
.(
/
&''+)
+/52
-!$ / ,- ! " ,- !'
/(
/
#
27
-"
<
2"&+
/.*
# */.09:
<
2"&*
/.*
*/.09:
<
27
-
/
/
#
()
+5'0
-!$+% !
<
'()
/
-!$+! !
/
!)
+5'0
-!$% !
<
%
'!)
/
-!$! !
/
&''/)
+/52
$ 5 ,- ! " ,- !'
$5(
/
*)
+5'0
-!$.% !
<
'*)
/
-!$.! !
/
#
27
-"
+)
+5'0
-!$/%,- !
<
'+)
/
-!$/! !
/
#
+5'
'
,'
+/5'
%!"39'4(%!"3!4'(
<
#!
27
6""+
<
%
(
+/
)-;"!$+
<
(
+/
)-%"!$+
<
!
+/
)-;"!$
<
#
!
+/
)-%"!$
<
#
#!
27
6"/".
<
#
*
+/
)-;"!$.
<
#
*
+/
)-%"!$.
<
##
+
+/
)-;"!$/
<
#
+
+/
)-%"!$/
<
#
#!
27
6"5
<
#%
/
+/
)-;$5
<
#
/
+/
)-%$5
<
27
27
27
B
/.*
<D/
+/
+5'
+7
<<7
+5'0
.$
+7
<<7
+/52
6
<
9
+/7
$$<
+/5'
6
<
+/7
<<7
/
/
+/
0
9+/
4
/
/
7
<7
'
+
+/
7
<7
5
+
+/
7
<
<
+
+/
7
<7
% &
","'',
&
.!A (AA,
A
+A
A<AA>A
'
+A
A<AA>A
27'
06'
$
/
0$
*%
*
?0$ (.
4,
*
'
/
- A**E#AA40E
%
*
","'',
%
5
A**.!*
+
06' $
A**.*
+
06'
?
/)
A6
+6E<$
#
A** A
?
/?7
A&
+&E$
#
A
?
+)
A6
A**
>%
A
?
+?7
A&
A
?
+?@*
0E%
*
%$6","',%%
F
?@*-
)
<G./?@
+?/
AHA+FHA
< >
+?9-
'
+.
9
!
A'+
I('>,<('<,I
A
.
3.
JK
A.3
A
'
*$$ ;
A
+A'+
/?9-
'
9/?7
A/?5 ;?@
A
A
'
9/)
A/)5 ;?@
BF'
A
/.
*9A
A
A
*
-
0
9*
*+F
2
BF'
.0
$
-
/;
0
$
; F4#(*
E , #
.'
'
9L
F:0
2
0
'L
'L
F4
<
<#
#
'
3/2
.@7
F
<
)'
''!(7
,
)'' F44
##
)'
'
9L
F:0
2
0
(
,
)'L
)'L
F44
<
<
'
7
./2
./2 F4
<
).3'!;
9
3/2' F4
)3/2/&
.@7
)3.= F4
<
?7.0
$
-
/;
0
$
; F4#(*
E , %
@ ,,
# 9
,#
#&"
","'',
%
5
.'
'
9L
F:0
2
0
'L
'L
F4
<
<#
#
'
3/2
.@7
F
<#
)'
''!(7
,
)'' F44
)'
'
9L
F:0
2
0
(
,
)'L
)'L
F44
<#
<#
#
<#
'
7
./2
./2 F4
<
).3'!;
9
3/2' F4
)3/2/&
.@7
)3.= F4
<
F- $MM
F-0
$
7
F- 9
F#-0
$!
($
,
F- .
$
9@
<
A'>('2,
F-?7.
$
9@
<
A'<(' ,
F%-0$:
$$
$:
$$
9
97$
A65.$A
F
-5.63
*
5.6;9 %%
#(
!
"
#$$
#$$
#$$
#%
#&'
#$$
#&'
#$$
#$$
#$$
#$$
W81181D USB Hub Reference Schematic (Pure Hub)
Vendor ID / Product ID build in EEPROM
%
(
)
$
+
$
+
$%
%
(
$(
+
$)
+
$*
)
*
+
,
$+
+
$
+
%
(
)
$
$
$
$
$%
$(
$)
$*
$+
$
*
+
'
%
(
)
*
+
$%
+
$%
+
$%
+
$%%
+
' &%
$%(
+
$%)
+
$%*
+
%
(
)
*
+
%
$%+
+
$%
+
$%
+
$(
+
%
$(
$(
%(
%)
%*
%+
%
%
(
(
(
(%
' &)
' &(
$
+
' &
'
!"
%
(
+
*
)
'%
!"
%
(
+
*
)
' &
%%
+
*
%
'(
##"#$%
+
*
)
(
()
((
(%
(
(
%
%
%+
%%
%
+
)
*
(
*
)
%)
%
%*
(
+
%
%
%(
(*
%
(
(
(+
%
-
.
!
"
#$$
#$$
#$$
#%
#$$
#$$
#$$
#$$
#$$
#$$
#$$
Vendor ID / Product ID build in EEPROM
W81181AD USB Hub Reference Schematic (48MHz for Mother Board)
%
(
)
$
+
$
+
$%
%
(
$(
+
$)
+
$*
)
*
+
$+
+
$
+
%
(
)
$
$
$
$
$%
$(
$)
$*
$+
$
*
+
'
%
(
)
*
+
$%
+
$%
+
$%
+
' &%
$%)
+
$%*
+
%
(
)
*
+
%
$%+
+
$%
+
$%
+
$(
+
%(
%)
%*
%+
%
%
(
(
(
(%
' &)
' &(
$
+
' &
'
!"
%
(
+
*
)
'%
!"
%
(
+
*
)
%%
+
*
%
'(
##"#$%
!
+
*
)
(
()
((
(%
(
(
%
%
%+
%%
%
+
)
*
(
*
)
%)
%
%*
(
+
%
!
%
%(
(*
%
(
(
(+
%
&"
&'
!"#$
0$@
&
'
?-&
-0!$&
4'$?C 2(0
@E#$$,
-0@
%# <
7(1- @$
N%47@#
"- $!+'O$.34/$/.3
"- +*9
O$9
46$9
6
/*"-
)
",8
&0
98
"0"#'
&
'
)8
#
<?C 2
&
.'
)8
#
<?C 2
&
'
#
)8
#
<?C 2
%&!'(
!
"
#
#
"
!!"#$%%&&""
'() !!"#$%!*"%
+ ,,
-
.,
//'//$#0
1
+
!!"2%/*&$&$
'() !!"2%/*%$&2
) /"!$3
.!
4
/2#
5
1
5
15
1
!$22%$/"&2#%
'() !$22%$$2&"
2%#&6
7
8(*$/#9(
/&!*#""""
'() /&!*#"""!
PDF 
ZIP