TDP158 datasheet(37/55 Pages) TI1

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TDP158

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SLLSEX2 – DECEMBER 2016

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8.5.12 CSR BIT FIELD DIFINITIONS, DP-Mode and INDIVIDUAL LANE CONTROL (address = 31h)

See Section DP-Mode Description and Lane Control Note: DP-Mode is valid only when DP-Mode Register

P0_Reg09[5] is set to one

Figure 36. DP-Mode and INDIVIDUAL LANE CONTROL

VOD Swing Adjust for CLK Lane

Pre-emphasis Adjust for CLK

Lane

Reserved

R/W

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 19. DP-Mode and INDIVIDUAL LANE CONTROL Field Descriptions

Bit

Field

Type

Reset

Description

7:5

VOD Swing Adjust for CLK Lane

R/W

3’b000

000 – Vsadj set (default)

001 – Increase by 7%

010 – Increase by 14%

011 – Increase by 21%

100 – Decrease by 30%

101 – Decrease by 21%

110 – Decrease by 14%

111 – Decrease by 7%

Note: reg09h[6] = 1 otherwise all lanes are global control.

4:3

Pre-emphasis Adjust for CLK Lane

R/W

2’b00

00 – No Pre-emphasis (default)

01 – 3.5 dB Pre-emphasis.

10 – 6 dB Pre-emphasis

11 – Reserved

Note 1. reg09h[6] = 1 otherwise all lanes are global control.

Note 2. If in HDMI mode writes will be ignored and reg09h[7]

SWAP = 0. No pre-emphasis on clock.

2:0

Reserved

R/W

3’b000

Reserved

8.5.13 CSR BIT FIELD DIFINITIONS, DP-Mode and INDIVIDUAL LANE CONTROL (address = 32h)

See Section DP-Mode Description and Lane Control Note: DP-Mode is valid only when DP-Mode Register

P0_Reg09[5] is set to one

Figure 37. DP-Mode and INDIVIDUAL LANE CONTROL

VOD Swing Adjust for D0 Lane

Pre-emphasis Adjust for D0 Lane

Reserved

R/W

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 20. DP-Mode and INDIVIDUAL LANE CONTROL Field Descriptions

Bit

Field

Type

Reset

Description

7:5

VOD Swing Adjust for D0 Lane

R/W

3’b000

000 – Vsadj set (default)

001 – Increase by 7%

010 – Increase by 14%

011 – Increase by 21%

100 – Decrease by 30%

101 – Decrease by 21%

110 – Decrease by 14%

11 – Decrease by 7%

Note: reg09h[6] = 1 otherwise all lanes are global control.

4:3

Pre-emphasis Adjust for D0 Lane

R/W

2’b00

00 – No Pre-emphasis (default)

01 – 3.5 dB Pre-emphasis.

10 – 6 dB Pre-emphasis

11 – Reserved

Note: reg09h[6] = 1 otherwise all lanes are global control.

2:0

Reserved

R/W

3’b000

Reserved

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