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C - 22 USB 2.0 (71-888E0-D04) - For 888E
888E Schematic Diags
USB 2.0
Sheet 21 of 44
USB 2.0 (888E)
USBVCC3S
USBVCC2.5
AVCC3
AVCC2.5
AVCC3
USBVCC2.5
AVCC2.5
AVCC3
USBVCC3S
USBVCC3S
VCC3
2.5V
2.5V
USBVCC3S
USBVCC2.5
AVCC2.5
VCC3 AVCC3
USB2P1-
USB2P1+
USB2P2-
USB2P2+
USB2P3-
USB2P3+
USB2P4-
USB2P4+
C/BE#[0..3]
AD[0..31]
C/BE#3
C/BE#1
PAR
STOP#
GATERST#
DEVSEL#
FRAME#
IRDY#
C/BE#2
TI_PME#
PCLK_USB2.0
C/BE#0
GNT#5
PREQ#5
OC3#
OC0#
USB2P3-
USB2P1-
USB2P2+
USB2P1+
USB2P2-
USB2P4-
USB2P3+
USB2P4+
INT#A
INT#D
INT#C
TRDY#
AD21
AD17
AD11
AD22
AD14
AD16
AD13
AD23
AD3
AD4
AD29
AD28
AD18
AD19
AD25
AD27
AD9
AD7
AD2
AD24
AD1
AD0
AD5
AD26
AD31
AD10
AD30
AD12
AD15
AD6
AD8
AD20
AD21
C1065
0.1U
C1064
0.01U
C1070
0.01U
C1071
0.01U
C1072
0.01U
C1066
0.1U
C1067
0.1U
C1068
0.1U
C1069
0.1U
R941 15K
R942 15K
R943 15K
R944 15K
R945 15K
R946 15K
R939 15K
R940 15K
C1074
0.01U
C1075
0.1U
C1076
0.01U
C1073
0.1U
C1080
0.1U
C1081
0.1U
C1082
0.1U
C1083
0.1U
C1084
0.1U
C1077
0.1U
C1078
0.1U
C1079
0.1U
Y13 24MHZ
U66
VT6202/VT6202A
116
117
118
121
122
123
124
125
126
1
2
7
8
11
12
13
14
15
16
29
30
31
32
37
38
39
40
42
45
46
47
48
41
28
19
3
20
6
21
22
23
24
27
113
112
111
109
105
106
107
64
67
94 95
85
86
81
82
77
78
73
74
71
68
9
127
17
25
33
43
51
61
100
108
119
10
128
4
35
53
115
70
18
26
34
44
52
62
101
110
120
88
89
90
96
93
91
92
84
80
76
72
87
83
79
75
49
63
58
59
56
55
57
50
60
65
66
104
103
102
99
98
97
5
36
54
114 69
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
-CBE0
-CBE1
-CBE2
-CBE3
-FRAME
IDSEL
-IRDY
-TRDY
-DEVSEL
-STOP
PAR
-REQ
-GNT
PCIRST
PCICLK
-INTA
-INTB
-INTC
-SMI
-PME
XIN XOUT
USBP1-
USBP1+
USBP2-
USBP2+
USBP3-
USBP3+
USBP4-
USBP4+
-USBOC0
-USBOC1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC33
VCC33
VCC25
VCC25
VCC25
VCC25
VSUS
VCC33
VCC33
VCC33
VCC33
VCC33
VCC33
VCC33
VCC33
VCC33
REXT
VCCPLLA
GNDPLLA
VCCOSC
GNDOSC
VCCPLL
GNDPLL
VCCUSB
VCCUSB
VCCUSB
VCCUSB
GNDUSB
GNDUSB
GNDUSB
GNDUSB
NC
NC
TEST2
TEST3
NC
NC
TEST1
NC
NC
ATPGEN
TESTMODE
NC
NC
NC
TEST4
WAKEUP_EN
NC
GND
GND
GND
GND GNDSUS
R924 5.1K_1%
R925 1.02K_1%
R927 4.7K
R928 4.7K
R929 4.7K
R930 4.7K
R931 4.7K
R933 4.7K
C1085
20P
C1086
20P
R937 4.7K
R938
0(R)
R932 0
R934 0
R935 0
R926 100
R936
0
L117 L(0805)1 2
L118 L(0805)1 2
C1087 0.1U
L120 L(0805)1 2
L121 L(0805)1 2
L123 L(0805)1 2
AD[0..31][18,31,32,34,35,38]
C/BE#[0..3][18,31,32,34,35,38]
TI_PME#[18,31,32,34,35]
DEVSEL#[18,31,32,34,35,38]
STOP#[18,31,32,34,35,38]
PAR[18,31,32,34,35,38]
PREQ#5[18]
GNT#5[18]
GATERST#[30,31,32,34,35,38]
PCLK_USB2.0[10]
USB2P1- [20]
USB2P1+ [20]
USB2P2- [20]
USB2P2+ [20]
USB2P3- [20]
USB2P3+ [20]
USB2P4- [20]
USB2P4+ [20]
OC0# [19,20]
OC3# [19,20]
INT#C[18,34,35,38]
INT#D[11,18]
INT#A[11,18,31,32]
TRDY#[18,31,32,34,35,38]
AD21[18,31,32,34,35,38]
IRDY#[18,31,32,34,35,38]
FRAME#[18,31,32,34,35,38]
USBGND
USBGND
USBGND
NEAR USB CONNECTORS
USB DEVICE WAKE-UP
USBGND USBGND
USBGND
USBGND
1 : ENABLE
0 : DISABLE
COPYRIGHT 2001 VIA TECHNOLOGIES INCORPORATED.
THESE SCHEMATICS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE.
VIA TECHNOLOGIES ASSUMES NO RESPONSIBILITY FOR ANY ERRORS IN DRAWING THESE SCHEMATICS.
USBGND