GS3590 datasheet(55/118 Pages) SEMTECH

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GS3590

Final Data Sheet Rev.4



PDS-061414 September 2017

55 of 118

Semtech

Proprietary & Confidential

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Table 4-9: Output Swing and Pre-emphasis Control Parameters

Addressh

Parameter Name

Description

0x2B/0x29

OUTPUT_

PARAM_CD_

SD_3/OUTPUT_

PARAM_

TD_SD_1

CFG_OUTPUT<n>_CD/TD_

SD_DRIVER_SWING

Output amplitude configuration parameter.

<n>=0:For SD and MADI rates on SDIO.



<n>=1:For SD or all rates* on DDO.

Note: If CTRL_OUTPUT1_TRDR_PER_RATE = 0, this setting will

be used for all data rates output form DDO.

0x2A/0x28

OUTPUT_

PARAM_CD_

SD_2/OUTPUT_

PARAM_TD_

SD_0

CFG_OUTPUT<n>_CD/TD_SD_

PREEMPH_WIDTH

Output pre-emphasis pulse width configuration parameter.

<n>=0:Reserved - do not modify.



<n>=1:For SD or all rates* on DDO.

Note: If CTRL_OUTPUT1_TRDR_PER_RATE = 0, this setting will

be used for all data rates output form DDO.

CFG_OUTPUT<n>_CD/TD_SD_

PREEMPH_PWRDWN

Output pre-emphasis power-down configuration parameter.

<n>=0:Reserved - do not modify.



<n>=1:For SD or all rates* on DDO.

Note: If CTRL_OUTPUT1_TRDR_PER_RATE = 0, this setting will

be used for all data rates output form DDO.

CFG_OUTPUT<n>_CD/TD_SD_

PREEMPH_AMPL

Output amplitude configuration parameter.

<n>=0:Reserved - do not modify.



<n>=1:For SD or all rates* on DDO.

Note: If CTRL_OUTPUT1_TRDR_PER_RATE = 0, this setting will

be used for all data rates output form DDO.

0x2D/0x2F

OUTPUT_

PARAM_

TD_HD_1/

OUTPUT_

PARAM_

CD_HD_3

CFG_OUTPUT<n>_CD/TD_

HD_DRIVER_SWING

Output amplitude configuration parameter.

<n>=0:For HD and 3G rates on SDIO.



<n>=1: For HD rates on DDO.

0x2C/0x2E

OUTPUT_

PARAM_

TD_HD_0/

OUTPUT_

PARAM_

CD_HD_2

CFG_OUTPUT<n>_CD/TD_

HD_PREEMPH_WIDTH

Output pre-emphasis pulse width configuration parameter.

<n>=0:For HD and 3G rates on SDIO.



<n>=1:For HD rates on DDO.

CFG_OUTPUT<n>_CD/TD_

HD_PREEMPH_PWRDWN

Output pre-emphasis power-down configuration parameter.

<n>=0:For HD and 3G rates on SDIO.



<n>=1:For HD rates on DDO.

CFG_OUTPUT<n>_CD/TD_

HD_PREEMPH_AMPL

Output pre-emphasis power-down configuration parameter.

<n>=0:For HD and 3G rates on SDIO.



<n>=1:For HD rates on DDO.

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