USB5534B datasheet(55/73 Pages) MICROCHIP

55 / 73 page

 2012 - 2015 Microchip Technology Inc.

DS00001681C-page 55

USB5534B

5.6.42

USB PORT 3 VARISENSE REGISTER

5.6.43

USB3 PORT 3 LINK STATE

5.6.44

USB PORT 4 BOOST REGISTER

TABLE 5-59:

USB PORT 3 VARISENSE REGISTER

PHY_P3_SENSE

(0X6CCC)

USB Port 3 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 5-60:

USB3 PORT 3 LINK STATE

SS_P3_STATE

(0X6DC0)

USB3 Port 3 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 5-61:

USB PORT 4 BOOST REGISTER

HS_P4_BOOST

(0X70CA)

USB Port 4 Boost Register

Bit

Name

R/W

Description

7:3

Reserved

R/W

Reserved

2:0

HS_BOOST

R/W

HS Output Current.

3’b000: Nominal

3’b001: Decrease by 5%

3’b010: Increase by 10%

3’b011: Increase by 5%

3’b100: Increase by 20%

3’b101: Increase by 15%

3’b110: Increase by 30%

3’b111: Increase by 25%

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