10

08/18/00

GL650USB 4 PORT USB HUB CONTROLLER

Revision 1.2

HOST_CMD

( offset 0B, default = 0Fh )

W/O

W/O

W/O

W/O

W/O

W/O

W/O

W/O

HB_CMD3 HB_CMD2 HB_CMD1 HB_CMD0 PT_CMD3 PT_CMD2 PT_CMD1 PT_CMD0

Host command to the hub:

PT_CMD3~0

: 4’h0 –SetPortFeature(PORT_SUSPEND)

: 4’h1 –SetPortFeature(PORT_RESET)

: 4’h2 –SetPortFeature(PORT_POWER)

: 4’h3 –ClearPortFeature(PORT_ENABLE)

: 4’h4 –ClearPortFeature(PORT_SUSPEND)

: 4’h5 –ClearPortFeature(PORT_POWER)

: 4’h6 –ClearPortFeature(C_PORT_RESET)

: 4’h7 –ClearPortFeature(C_PORT_OVER_CURRENT)

: 4’h8 –ClearPortFeature(C_PORT_SUSPEND)

: 4’h9 –ClearPortFeature(C_PORT_ENABLE)

: 4’hA –ClearPortFeature(C_PORT_CONNECTION)

HB_CMD3

: 1’b1 –SetHubFeature(C_HUB_LOCAL_POWER)

HB_CMD2

: 1’b1 –SetHubFeature(C_HUB_OVER_CURRENT)

HB_CMD1

: 1’b1 –ClearHubFeature(C_HUB_LOCAL_POWER)

HB_CMD0

: 1’b1 –ClearHubFeature(C_HUB_OVER_CURRENT)

ENP1_IND

( offset 0C, default = 00h )

R/O

R/O

R/O

R/O

R/O

R/O

R/O

R/O

-

-

-

PT4

PT3

PT2

PT1

HUB

Endpoint 1 interrupt change indicator

TRXFLAG

( offset 0D, default = 00h )

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

--

-

-

-

P4_TRX

P3_TRX

P2_TRX

P1_TRX

Upstream traffic flag:

P1_TRX

: upstream traffic happens on downstream port 1

P2_TRX

: upstream traffic happens on downstream port 2

P3_TRX

: upstream traffic happens on downstream port 3

P4_TRX

: upstream traffic happens on downstream port 4

LED_INIT

( offset 0E, default = 00h )

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

R/W1C

--

-

-

-

P4_ON

P3_ON

P2_ON

P1_ON

LED initial flag:

P1_ON

: if 1’b1, LED is always on, otherwise, judge according to TRXFLAG

register.

P2_ON

: if 1’b1, LED is always on, otherwise, judge according to TRXFLAG

register.

P3_ON

: if 1’b1, LED is always on, otherwise, judge according to TRXFLAG

register.

P4_ON

: if 1’b1, LED is always on, otherwise, judge according to TRXFLAG

register.