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GL651USB Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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GL651USB Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 16 page 11 03/06/00 GL651USB USB KEYBOARD HUB CONTROLLER Version 1.0 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 : DRV[4:0] output enable. ONLY when DRVOE is set can DRV[4:0] drive out. INVDRV : 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 R/O R/O R/O R/O R/O SENSE8 SENSE7 SENSE6 SENSE5 SENSE4 SENSE3 SENSE2 SENSE1 PORT_ENDP_SEL ( offset 0E, default = 00h ) R/W R/W R/W R/W R/W R/W -- PORTSEL 3 PORTSEL 2 PORTSEL 1 -- EPSEL3 EPSEL2 EPSEL1 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 1’b1 – endpoint 3 is selected EPSEL2 1’b1 – endpoint 2 is selected EPSEL1 1’b1 – endpoint 1 is selected Before FFDAT123 and TXCTL123 is used, EPSEL1~3 must have been set. 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 R/O R/O R/O R/O PT_LOW_ SPD PT_PWR -- PT_RST PT_OVCU R PT_SUS PT_EN PT_CON Port status indicator: |
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