AU6254 Datasheet, PDF (14/30 Pages) List of Unclassifed Manufacturers – USB2.0 Hub Controller

Pin #
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin Name
DP1_LEDAM
DP1_LEDGR
SUSPEND
VDD
VSS
ChipResetN
NC
NC
NC
GANGBUS_PWRED
ControlPorts
VDDH
VSSH
AVSS
USB_DM
USB_DP
AVDD
AVSS
DP1_DM
DP1_DP
AVDD
UP_RREF
I/O
O
O
O
Power
Power
I
Description
Port1 Amber LED indicator; with internal pull up
resistor; open collector output.
'0' = LED on (Error condition)
'1' = LED off
Port1 Green LED indicator; with internal pull up
resistor; open collector output.
'0' = LED on (Port is enable)
'1' = LED off
'0' = Not Suspended
‘1' = Suspended
Core Power 1.8V
Core GND
‘0' = Reset
'1' = Run
I
I
Power
Power
Power
I/O
I/O
Power
Power
I/O
I/O
Power
I
Gang bus powered, it has a internal pull down
resistor
‘1' = Individual Power
'0' = Gang powered
Internal pull down resistor
‘0' = Normal hub
'1' = PortControl
Voltage regulator input 3.3V
IO GND
UTMI GND
Upstream port USB differential data bus D-
Upstream port USB differential data bus D+
UTMI Power
UTMI GND
Port1 USB differential data bus D-
Port1 USB differential data bus D+
UTMI Power
Reference Resistor
AU6254 USB2.0 Hub Controller V1.00W
Official Release_ Public
Page 14 of 30