TUSB1146 datasheet(45/68 Pages) TI2

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TUSB1146

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Table 24. USB3_MISC Register Field Descriptions (continued)

Bit

Field

Type

Reset

Description

DISABLE_U2U3_RXDET

R/W

0x0

Controls whether or not Rx.Detect is performed in U2/U3 state.

0x0 = Rx.Detect in U2/U3 enabled.

0x1 = Rx.Detect in U2/U3 disabled.

3-2

DFP_RXDET_INTERVAL

R/W

0x1

This field controls the Rx.Detect interval for the downstream facing

port (TX1P/N and TX2P/N).

0x0 = 4ms

0x1 = 6ms

0x2 = 36ms

0x3 = 84ms

DIS_WARM_RESET_RX

R/W

0x0

Disables receiver detection following warm reset if device starts

polling during warm reset..

0x0 = whether receiver detection is done following warm reset

depends on other settings.

0x1 = if USB FSM detects that device started polling during

warm reset, it will not do receiver detection.

USB_COMPLIANCE_CTR

R/W

0x0

Controls whether compliance mode detection is determined by FSM

or disabled

0x0 = Compliance mode determined by FSM.

0x1 = Compliance mode disabled.

8.6.1.13 USB_STATUS Register (Offset = 0x24) [reset = 0x41]

USB_STATUS is shown in Table 25.

Return to the Summary Table.

Table 25. USB_STATUS Register Field Descriptions

Bit

Field

Type

Reset

Description

USB_FASTAEQ_STAT

0x0

When AEQ_EN = 1 and AEQ_MODE = x0, this status field indicates

whether short or long EQ setting is used. When AEQ_EN = 0, this

field will always default to 0h.

0x0 = Short channel EQ used.

0x1 = Long channel EQ used.

USB_AEQDONE_STAT

0x1

This field is low while AEQ is active and high when it is done. It is

valid when U0_STAT and AEQ_EN = 1 or when FORCE_AEQ_EN =

1 and HW has reset FORCE_AEQ back to 0.

0x0 = AEQ is running

0x1 = AEQ is done

AEQ_HC_OVERFLOW

0x0

13-bit AEQ hit counter overflow status

RESERVED

0x0

Reserved

CM_ACTIVE

0x0

Compliance mode status.

0x0 = Not in USB3.1 compliance mode.

0x1 = In USB3.1 compliance mode.

U0_STAT

0x0

U0 Status. Set if enters U0 state.

U2U3_STAT

0x0

U2/U3 Status. Set if enters U2/U3 state.

DISC_STAT

0x1

Disconnect Status. Set if enters Disconnect state.

TUSB1146 Datasheet(PDF) 45 Page - Texas Instruments

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