GL651USB View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
GL651USB Datasheet PDF : 16 Pages
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GL651USB USB KEYBOARD HUB CONTROLLER
Before FFRST[1:0] is used, ENDP[1~3] must have been set.
DRVSEL
( offset 0C)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
--
INVDRV DRVOE DRV4
DRV3
DRV2
DRV1
DRV0
DRV[4:0]
: Select one of DRV1 to DRV20 port to drive if DRVOE is set.
5’h00 ~ 5’h11 stand for DRV1 to DRV20.
NOTE: 5’h14 ~5’h1f are invalid.
DROVE
INVDRV
: DRV[4:0] output enable. ONLY when DRVOE is set can DRV[4:0] drive
out.
: Set this bit to drive all DRV1-20 to low except the selected drive pin
SENSE ( offset 0D, default = 00h )
R/O
R/O
R/O
SENSE8 SENSE7 SENSE6
R/O
SENSE5
R/O
SENSE4
R/O
SENSE3
R/O
SENSE2
R/O
SENSE1
PORT_ENDP_SEL
( offset 0E, default = 00h )
R/W
R/W
R/W
--
PORTSEL PORTSEL PORTSEL
--
3
2
1
R/W
EPSEL3
R/W
EPSEL2
Port under host command or Endpoint under host request
PORTSEL1
1’b1 – port 1 selected
PORTSEL2
1’b1 – port 2 selected
PORTSEL3
1’b1 – port 3 selected
EPSEL3
EPSEL2
EPSEL1
1’b1 – endpoint 3 is selected
1’b1 – endpoint 2 is selected
1’b1 – endpoint 1 is selected
Before FFDAT123 and TXCTL123 is used, EPSEL1~3 must have been set.
R/W
EPSEL1
HUB_STAT_CHG
( offset 0F, 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 10, default = 00h )
R/O
R/O
R/O
PT_LOW_ PT_PWR
--
PT_RST
SPD
R/O
PT_OVCU
R
R/O
PT_SUS
R/O
PT_EN
R/O
PT_CON
Port status indicator:
11
03/06/00
Version 1.0
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