USB5532B datasheet(49/68 Pages) MICROCHIP

49 / 68 page

USB5532B

DS00001679C-page 49

 2012 - 2015 Microchip Technology Inc.

5.6.29

USB UPSTREAM VARISENSE REGISTER

5.6.30

USB3 UPSTREAM LINK STATE REGISTER

5.6.31

USB PORT 1 BOOST REGISTER

TABLE 5-46:

USB UPSTREAM VARISENSE REGISTER

PHY_UP_SENSE

(0X60CC)

USB Upstream 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 5-47:

USB3 UPSTREAM LINK STATE REGISTER

SS_UP_STATE

(0X61C0)

USB3 Upstream Link State

Bit

Name

R/W

Description

7:4

LINK_STATE

Refer to Table 5-54, "USB 3.0 Link States" for more details.

Reserved

2:0

LINK_SUB_STATE

Refer to Table 5-54, "USB 3.0 Link States" for more details.

TABLE 5-48:

USB PORT 1 BOOST REGISTER

HS_P1_BOOST

(0X64CA)

USB Port 1 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%

USB5532B 数据表(PDF) 49 Page - Microchip Technology

USB5532B 数据表(HTML) 49 Page - Microchip Technology

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