/OC2
/OC4
DVDD1AVDD1
DVDD2
DVDD3
DVDD4
DVDD5
/OC1
/OC3
AVDD2
AVDD3
AVDD4
AVDD5
DP1
DM1
DM2
DP2
DP0
DM0
DP3
DM3
DM4
DP4
X1 X2
RESET
PSELF
DVDD3
DVDD4
/OC1
DVDD5
DM3
AVDD5
DP3
DP4
X1
X2
DM4
/OC4
/OC3
DV DD2
RESET
DV DD1
AVDD1
DM1
DP1
DM2
AVDD2
DM0
RREF
DP2
DP0
AVDD3
AVDD4
/OC2
PAMBER2
PGREEN2
PAMBER1
PGREEN1
PAMBER2
PGREEN2
PAMBER1
PGREEN1
VBUS2
+3.3V
+5V_USB
VBUS4
+5V_USB
+3.3V
+3.3V
VBUS1
VBUS3
+3.3V
VBUS1
VBUS2
+3.3V
+3.3V
USB5V_UP
+5V_USB
+5V_USB
+5V_USB
+3.3V
+3.3V
VBUS4
USB5V_UP
+5V_USB
VBUS3
+3.3V
70-190mA
speed up discharge with upstream plug off
GL852 will be reset twice with itself
(external and internal)
USB controller reset process:
1. first self power in, internal reset
wait for some time to check external reset
if up_5V in , normal mode
not in, suspend mode
2.first up_5v in, external reset
wait for self power in to do internal reset
if self power in, it will be in normal mode
if not in, it will not work
USB controller work mode:
1. self power in, then up_5Vnot in
=>suspend mode ( uA)
2. up_5V in, then self power not in
=> don't work
DNP
10K pull-high for self power set up
510K pull-high for self power and bus power switch
NC
NC
NC
NC
NC
Port # PAmber3 PAmber4
4 0 0
3 0 1
2 1 0
TP13
C20
0.1U K
R41
20K J
R46
15K
C43
1U K
TP1
+
C13
<Spec>
100U 25V
12
DN 5 BAV99
A
J
K
R29
0
R16
10K
+
C24
<Spec>
100U 25V
12
L5
Z220
C18
0.1U K
DN2
BAV99
A
J
K
F2
5V 0.75A
R42
0
C37
0.1U K
R47
15K
+
C12
<Spec>
10U 25C
12
TP20
C30
0.1U K
DN8
BAV99
A
J
K
R30
0
J6
2B12218A61
VCCA
1
DATA-
2
DATA+
3
GND
4
G1
G1
G2
G2
VCCB
5
DATB-
6
DATB+
7
GND
8
G3
G3
G4
G4
TP4
R21
10K
C38
0.1U K
F1
5V 0.75A
U4
AT93C46-10SU-2.7
DI
3
SK
2
CS
1
DO
4
VCC
8
GND
5
ORG
6
DC
7
R43
0
T1
Z90
14
23
C36
0.1U K
F3
5V 0.75A
C21
0.1U K
C11
0.1U K
R37
1M
C40
0.1U K
L3
Z220
TP15
R31
0
C31
0.1U K
TP12
L4
Z30
DN9
BAV99
A
J
K
DN3
BAV99
A
J
K
L6
Z220
L2
Z220
TP14
R38
NC
C17
10U 16V
R28
0
TP19
J4
2B12218B51
VCC
1
DATA-
2
DATA+
3
GND
4
G2
G2
G1
G1
R19
100K
R32
15K
C41
0.1U K
R27
680 F
F4
5V 0.75A
TP18
C44
20P J
C34
0.1U K
J5
2B12218A61
VCCA
1
DATA-
2
DATA+
3
GND
4
G1
G1
G2
G2
VCCB
5
DATB-
6
DATB+
7
GND
8
G3
G3
G4
G4
R25
0
C32
0.1U K
DN1
BAV99
A
J
K
DN10
BAV99
A
J
K
C25
0.1U K
C22
0.1U K
R33
15K
T4
Z90
14
23
L7
Z30
TP17
TP7
T2
Z90
14
23
C42
0.1U K
R15
10K
C45
20P J
TP2
C35
0.1U K
TP16
TP6
C16
0.1U K
C39
0.1U K
R22
10K
R24
20K J
R34
15K
C19
0.1U K
+
C10
<Spec>
10U 25C
12
TP11
TP3
C26
0.1U K
DN4
BAV99
A
J
K
R44
15K
C33
0.1U K
+
C23
<Spec>
100U 25V
12
C28
0.1U K
C15
0.1U K
TP10
R35
15K
R36
0
U2
G1117-33T63UF
ADJ
1
OUT
2
IN
3
TAB
4
DN 6 BAV99
A
J
K
TP5
TP9
R20
10K
R39
10K
R45
15K
GL852
LQFP48
U3
AGND
2
DM0
3
DP0
4
DM1
5
DP1
6
AVDD
7
AGND
8
DM2
9
DP2
10
RREF
11
AVDD
12
AGND
13
X1
14
X2
15
AVDD
16
DM3
17
DP3
18
AVDD
19
AGND
20
DM4
21
DP4
22
PSELF
37
PAMBER2
36
PGREEN2
35
DVDD
34
PWREN4#
29
OVCUR4#
28
TEST
27
RESET#
26
AVDD
1
DVDD
48
DGND
47
PAMBER1
46
PGREEN1
45
DVDD
44
PWREN1#
43
PWREN2#
41
OVCUR2#
40
PGANG
39
DVDD
38
PGREEN3
32
OVCUR1#
42
PWREN3#
31
OVCUR3#
30
PGREEN4
23
PAMBER4
24
PAMBER3
33
DVDD
25
T5
Z90
14
23
R17
20K J
R26
0
R23
20K J
T3
Z90
14
23
R40
0
TP8
DN7
BAV99
A
J
K
C27
10U 16V
C29
0.1U K
+
C14
<Spec>
100U 25V
12
R18
20K J
Y1
12MHZ
ViewSonic Corporation
Confidential - Do Not Copy VP2650wb-1
72
Model
Title
Date Rev:
ViewSonic Corporation
USB CONTROLLER
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