TUSB1146 datasheet(42/68 Pages) TI2

42 / 68 page

TUSB1146

SLLSFB2 – APRIL 2020

www.ti.com

Product Folder Links: TUSB1146

Submit Documentation Feedback

Table 18. DisplayPort_2 Register Field Descriptions (continued)

Bit

Field

Type

Reset

Description

DP2_DISABLE

R/W

0x0

When AUX_SNOOP_DISABLE = 1b, this field can be used to enable

or disable DP lane 2. When AUX_SNOOP_DISABLE = 0b, changes

to this field will have no effect on lane 2 functionality.

0x0 = DP Lane 2 enabled.

0x1 = DP Lane 2 disabled.

DP1_DISABLE

R/W

0x0

When AUX_SNOOP_DISABLE = 1b, this field can be used to enable

or disable DP lane 1. When AUX_SNOOP_DISABLE = 0b, changes

to this field will have no effect on lane 1 functionality.

0x0 = DP Lane 1 enabled.

0x1 = DP Lane 1 disabled.

DP0_DISABLE

R/W

0x0

When AUX_SNOOP_DISABLE = 1b, this field can be used to enable

or disable DP lane 0. When AUX_SNOOP_DISABLE = 0b, changes

to this field will have no effect on lane 0 functionality.

0x0 = DP Lane 0 enabled.

0x1 = DP Lane 0 disabled.

8.6.1.7 AEQ_CONTROL1 Register (Offset = 0x1C) [reset = 0xF0]

AEQ_CONTROL1 is shown in Table 19.

Return to the Summary Table.

This register is used to enable adaptive EQ and select between Fast and Full adaptive EQ.

Table 19. AEQ_CONTROL1 Register Field Descriptions

Bit

Field

Type

Reset

Description

7-4

FULLAEQ_UPPER_EQ

R/W

0xF

Maximum EQ value to check for full AEQ mode

USB3_U1_DISABLE

R/W

0x0

This field when set will cause entry to U3 instead of U1 when

electrical idle is detected.

0x0 = U1 entry after electrical idle.

0x1 = U3 entry after electrical idle.

2-1

AEQ_MODE

R/W

0x0

Selects between Fast and 2 Full Adaption modes

0x0 = Fast AEQ.

0x1 = Full AEQ with hits counted at mideye for every EQ.

0x2 = Fast AEQ.

0x3 = Full AEQ with hits counted at mideye only for EQ equal 0.

AEQ_EN

R/W

0x0

Controls whether or not adaptive EQ for USB downstream facing

port is enabled.

0x0 = AEQ disabled

0x1 = AEQ enabled

8.6.1.8 AEQ_CONTROL2 Register (Offset = 0x1D) [reset = 0x20]

AEQ_CONTROL2 is shown in Table 20.

Return to the Summary Table.

This register allows for controls for the Fast AEQ limits as well as adding or reducing final EQ value used by the

Full AEQ function.

TUSB1146 Datasheet(PDF) 42 Page - Texas Instruments

TUSB1146 Datasheet(HTML) 42 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68

Datasheet Download

Link URL