USB5534B datasheet(56/73 Pages) MICROCHIP

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USB5534B

DS00001681C-page 56

 2012 - 2015 Microchip Technology Inc.

5.6.45

USB PORT 4 VARISENSE REGISTER

5.6.46

USB3 PORT 4 LINK STATE REGISTER

TABLE 5-62:

USB PORT 4 VARISENSE REGISTER

PHY_P4_SENSE

(0X70CC)

USB Port 4 Varisense Register

Bit

Name

R/W

Description

7:3

Reserved

2:0

HS_SQ_TUNE[2:0]

R/W

Squelch Tune

3’b000: Nominal 100mV Trip Point

3’b001: Decrease by 12.5mV

3’b010: Decrease by 25mV

3’b011: Decrease by 37.5mV

3’b100: Decrease by 50mV

3’b101: Decrease by 62.5mV

3’b110: Increase by 25mV

3’b111: Increase by 12.5mV

TABLE 5-63:

USB3 PORT 4 LINK STATE REGISTER

SS_P4_STATE

(0X71C0)

USB3 Port 4 Link State

Bit

Name

R/W

Description

7:4

LINK_STATE

Refer to Table 5-64, "USB 3.0 Link States" for more details.

Reserved

2:0

LINK_SUB_STATE

Refer to Table 5-64, "USB 3.0 Link States" for more details.

TABLE 5-64:

USB 3.0 LINK STATES

NUM

Link State

00h

01h

02h

03h

04h

SIS.Disabled

05h

RX.Detect

06h

SS.Inactive

07h

Polling

08h

Recovery

09h

Hot Reset

0Ah

Compliance

0Bh

Loopback

USB5534B Datenblatt(PDF) 56 Page - Microchip Technology

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