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C
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D
D
E
E
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1
Intel assumes no responsibility for any errors which may
appear in the design. Intel reserves the right to modify
this design without notice.
DOWNSTREAM
DOWNSTREAM
Self
Bus
Power Input
Pin and
Barrel
UPSTREAM
PORT-0
3.3 V Pullup
Power Mode
PORT-2
PORT-3
PORT-5
PORT-4
Full speed
D
Intel Corporation
1
Thursday, January 22, 1998
2
2
B
CEG System Engineering Boards and ASICs
5000 W. Chandler Blvd.
Chandler, AZ 85226
8x931 USB CHU
B
PORTS
CMJ
Size
Drawn by
CAGE Code
DWG NO
Rev
Sheet
of
Date
PORTVCC5
PORTVCC2
PORTVCC3
P5VSWIN
PORTVCC4
GNDEXT
OVRI_NOT
P5VEXT
P5VUPSTR
DP3
DM5
DM3
DP5
DM4
DP4
DP2
DM2
DP0
OVRI_NOT
UPWEN_NOT
ECAP
PWR_MODE
DM0
P5V
VCC
VDD
GND
P5V
DGND
P5V
DGND
P5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
C4
10uF
1
2
C14
0.1uF
1
2
+
C17
100 uF
1
2
+
C15
100 uF
1
2
J4
USB_A_Stacked
B1
B2
B3
B4
T1
T2
T3
T4
R1
1.5k ohm
1
2
J2
USB_A_Stacked
B1
B2
B3
B4
T1
T2
T3
T4
U4
MIC2526-2
ENA
1
FLGA
2
FLGB
3
ENB
4
OUTB
5
GND
6
IN
7
OUTA
8
R2
470k ohm
1
2
U5
MIC2526-2
ENA
1
FLGA
2
FLGB
3
ENB
4
OUTB
5
GND
6
IN
7
OUTA
8
J1
CON2
1
2
J3
USB_B
1
2
3
4
+
C12
100 uF
1
2
+
C16
100 uF
1
2
S1
SW DPDT
2
1
3
5
4
6
FB21
BLM21P300S
1
2
FB18
BLM21B201S
1
2
FB20
BLM21P300S
1
2
FB16
BLM21B201S
1
2
FB10
BLM21B201S
1
2
FB11
BLM21B201S
1
2
FB17
BLM21B201S
1
2
FB15
BLM21B201S
1
2
FB8
BLM21B201S
1
2
FB6
BLM21B201S
1
2
FB5
BLM21B201S
1
2
FB4
BLM21B201S
1
2
FB22
BLM21P300S
1
2
FB19
BLM21P300S
1
2
FB3
BLM21P300S
1
2
FB2
BLM21P300S
1
2
FB13
BLM21P300S
1
2
FB14
BLM21P300S
1
2
FB9
BLM21P300S
1
2
FB12
BLM21P300S
1
2
FB7
BLM21P300S
1
2
FB1
BLM21P300S
1
2