VL812 查看數據表（PDF） - Unspecified
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VL812 Datasheet PDF : 18 Pages
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Side Band signal and Miscellaneous
Pin Name
Pin #
I/O
USBHMBR1
35
O
USBHMBR2
34
O
USBHMBR3
33
O
USBHMBR4
32
O
USBHGRN1
50-
O
USBHGRN2
51
O
USBHGRN3
52
O
USBHGRN4
53
O
USBHPE1#
43
O
USBHPE2B#
42
O
USBHOC1#
45
I
USBHOC2#
44
I
EXTPWRON
47
I
COREPWRDN#
46
O
VBUSDET
31
I
RESET#
54
I
VL812 USB 3.0 Hub Controller (B1)
Signal Description
DP1 Amber (Over Current) LED Indicator and SPISO
share pin. For LED, output high when active and
external 100Kohm pull low required.
DP2 Amber (Over Current) LED Indicator and SPISI
share pin. For LED, output high when active and
external 100Kohm pull low required.
DP3 Amber (Over Crrrent) LED Indicator / SPISCLK
share pin. For LED, output high when active and
external 100Kohm pull low required.
DP4 Amber (Over Current) LED Indicator / SPICS#
share pin. For LED, output high when active and
external 100Kohm pull low required.
DP1 Green (Port Connect) LED Indicator. Output high
when active and external 100Kohm pull low required.
DP2 Green (Port Connect) LED Indicator. Output high
when active and external 100Kohm pull low required.
DP3 Green (Port Connect) LED Indicator. Output high
when active and external 100Kohm pull low required.
DP4 Green (Port Connect) LED Indicator. Output high
when active and external 100Kohm pull low required.
Power Enable for Gangmode Ports
Low: Port Power On.
High: Port Power Off.
Power Enable for USB Charging Port
Low: Port Power On.
High: Port Power Off.
DP1 Over Current Detect
Low: Port Over Current
High: Port Power Normal
DP2 Over Current Detect
Low: Port Over Current
High: Port Power Normal
Upstream Port VBUS Detection for Upstream port
plug-in
Core power down (Reserved for controlling external
core power switch)
5V USB VBus Presence Detect
System reset
Low: Reset
High: Normal Operation
Test Pin
Pin Name
TESTEN
SMCLK
SMDAT
Pin #
57
55
56
I/O
I
I
I/O
Signal Description
Test Mode Enable
Do not connect for normal operation.
Internal pull down.
Low: Normal mode.
High: Test mode.
SMBus clock for debug only. It is not a standard SMBus
interface. Open Drain
SMBus data for debug only. It is not a standard SMBus
interface. Open Drain
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