GL650USB View Datasheet(PDF) - Genesys Logic

Part Name

Description

Manufacturer

GL650USB

USB 4 PORT HUB CONTROLLER

Genesys Logic 

GL650USB 4 PORT USB HUB CONTROLLER

HUB_STAT_CHG

( offset 08, default = 00h )

R/O

R/O

R/O

R/O

LCPWR OVCUR

--

--

--

--

C_LCPWR C_OVCUR

HUB status and status change

LCPWR

: HUB local power status

1’b0 – local power good

1’b1 – local power lost

OVRCUR

: HUB over current indicator

1’b0 – No over-current condition currently exists

1’b1 – A hub over-current condition exists

C_LCPWR

: Local power status change

1’b0 – No change has occurred to local power status

1’b1 – local power status has changed

C_OVRCUR

: HUB over current indicator change

1’b0 – No change has occurred to the over-current indicator

1’b1 – Hub over-current indicator has changed

PORT_STATUS ( offset 09, default = 00h )

R/O

R/O

R/O

R/O

R/O

R/O

R/O

PT_LOW_ PT_PWR

--

PT_RST PT_OVCU PT_SUS PT_EN PT_CON

SPD

R

Port status indicator:

PT_LOW_SPD : 1’b0 – full speed device connected, 1’b1 – low speed device

connected

PT_PWR

: 1’b0 – port is in power off state, 1’b1 – port is not in power off state

PT_RST

: 1’b0 – Reset signaling not asserted, 1b’1 – Reset signaling asserted

PT_OVCUR

PT_SUS

: 1’b0 – No over-current condition occurred on this port

1’b1 – An over-current condition exists on this port

: 1’b0 – port not suspended, 1’b1 – port suspended or resuming

PT_EN

PT_CON

: 1’b0 – port is disabled, 1’b1 – port is enabled

: 1’b0 – No device is present, 1’b1 – A device is present on this port

BUS_PORT_DATA

( offset 0A, default = 00h )

R/O

R/O

R/O

R/O

R/O

R/O

R/O

VP

VM

--

C_PT_RST C_PT_ C_PT_ C_PT_EN C_PT_

OVCUR

SUS

CON

Bus state and Port status change indicator:

VP

: VP state on the downstream port

VM

: VM state on the downstream port

C_PT_RST

: 1’b0 – No change, 1’b1 – Reset complete

C_PT_OVCUR : 1’b0 – No change has occurred to over-current indicator

1’b1 – over-current indicator has changed

C_PT_SUS

: 1’b0 – No change, 1’b1: – Resume complete

C_PT_EN

: Set to one when a port is disabled because of a Port_error condition

C_PT_CON : 1’b0 – No change has occurred to current connect status

1’b1 – Current connect status has changed

9

08/18/00

Revision 1.2

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