21.13.1.68 signal_integrity_write
(Ask a Question)Description
This Tcl command writes parameter to a specified lane.
signal_integrity_write \
[-deviceName "device name"] \
[-lane "Lane Instance Name"] \
[-TX_EMPHASIS_AMPLITUDE "TX Transmit Emphasis and Amplitude"] \
[-TX_IMPEDANCE "TX Impedance"] \
[-TX_POLARITY "TX Impedance"] \
[-TX_TRANSMIT_COMMON_MODE_ADJUSTMENT "TX Transmit Common Mode Adjust"] \
[-RX_TERMINATION "RX Termination"] \
[-RX_LOSS_OF_SIGNAL_DETECTOR_LOW "RX Loss of Signal Detector Low "] \
[-RX_LOSS_OF_SIGNAL_DETECTOR_HIGH "RX Loss of Signal Detector High "] \
[-RX_PN_BOARD_CONNECTION "RX Board Connection "] \
[-RX_POLARITY "Polarity RX "] \
[-RX_CTLE "RX CTLE"] \
[-RX_INSERTION_LOSS "RX Insertion Loss"] \
[-RX_CDR_GAIN "RX CDR Gain"]Arguments
| Parameter | Type | Description |
|---|---|---|
deviceName | string | Optional user-defined device name. The device name is not required if there is only one device in the current configuration. |
lane | string | Specifies the physical location of the lane. |
TX_EMPHASIS_AMPLITUDE | string | Specifies TX Emphasis Amplitude. |
TX_IMPEDANCE | integer | Specifies TX Impedance(ohms) value. Possible values are: 100, 150, 85 180. |
TX_TRANSMIT_COMMON_MODE_ADJUSTMENT | integer | Specifies TX Transmit Common Mode Adjustment (% of VDDA). Possible values are: 50, 60, 70, and 80. |
| RX_INSERTION_LOSS | string | Specifies RX Insertion Loss. Possible values are: 6.5dB, 17.0bdB and 25.0dB. |
| RX_CTLE | string | RX CTLE value. |
| RX_CDR_GAIN | string | Specifies CDR Gain value. It can be "Low" or "High". |
RX_TERMINATION | integer | Specifies RX Termination(ohms). Possible values are: 85, 100 and150. |
| RX_PN_BOARD_CONNECTION | string | Specifies RX P/N Board Connection. Possible values are "AC_COUPLED_WITH_EXT_CAP" or "DC_COUPLED". |
RX_LOSS_OF_SIGNAL_DETECTOR_LOW | string/ integer | Specifies RX Loss Signal Detector value. Possible values are: Off, PCIE, SATA, BMR and 1, 2, 3, 4, 5, 6 and 7. |
RX_LOSS_OF_SIGNAL_DETECTOR_HIGH | string/ integer | Specifies RX Loss Signal Detector value. Possible values are: Off, PCIE, SATA, BMR and 1, 2, 3, 4, 5, 6 and 7. |
RX_POLARITY | string | Specifies Polarity (P/N reversal) value, it can be "Normal" or "Inverted". |
| Return Type | Description |
|---|---|
| None | None |
Error Codes
| Error Code | Description |
|---|---|
None | Parameter 'param_name' is not defined. Valid command formatting is 'signal_integrity_write [-deviceName "device name"] [-lane "Lane Instance Name"] [-TX_EMPHASIS_AMPLITUDE "TX Transmit Emphasis and Amplitude"] [-TX_IMPEDANCE "TX Impedance"] [-TX_POLARITY "TX Impedance"] [-TX_TRANSMIT_COMMON_MODE_ADJUSTMENT "TX Transmit Common Mode Adjust"] [-RX_TERMINATION "RX Termination"] [-RX_LOSS_OF_SIGNAL_DETECTOR_LOW "RX Loss of Signal Detector Low "] [-RX_LOSS_OF_SIGNAL_DETECTOR_HIGH "RX Loss of Signal Detector High "] [-RX_PN_BOARD_CONNECTION "RX Board Connection "] [-RX_POLARITY "Polarity RX "] [-RX_CTLE "RX CTLE"] [-RX_INSERTION_LOSS "RX Insertion Loss"] [-RX_CDR_GAIN "RX CDR Gain"]'. |
None | Parameter 'RX_CDR_GAIN' has illegal value. |
None | Parameter 'RX_INSERTION_LOSS' has illegal value. |
None | Parameter 'RX_CTLE' has illegal value. |
None | Signal Integrity: RX_INSERTION value is invalid. It must be 6.5dB, 17.0dB or 25.0dB. |
None | Parameter 'RX_POLARITY' has illegal value. |
None | Parameter 'RX_PN_BOARD_CONNECTION' has illegal value. |
None | Parameter 'RX_LOSS_OF_SIGNAL_DETECTOR_HIGH' has illegal value. |
None | Parameter 'RX_LOSS_OF_SIGNAL_DETECTOR_LOW' has illegal value. |
None | Parameter 'RX_TERMINATION' has illegal value. |
None | Parameter 'TX_TRANSMIT_COMMON_MODE_ADJUSTMENT' has illegal value. |
None | Parameter 'TX_IMPEDANCE' has illegal value. |
None | Parameter 'TX_EMPHASIS_AMPLITUDE' has illegal value. |
None | Signal Integrity: Must specify one of '-TX_EMPHASIS_AMPLITUDE', '-TX_IMPEDANCE','-TX_POLARITY','-TX_TRANSMIT_COMMON_MODE-ADJUSTMENT','-RX_TERMINATION','-RX_LOSS_OF_SIGNAL_DETECTOR_LOW', '-RX_LOSS_OF_SIGNAL_DETECTOR_HIGH', 'RX_PN_BOARD_CONNECTION', '-RX_POLARITY', '-RX_CTLE', '-RX_INSERTION_LOSS' or '-RX_CDR_GAIN' arguments. |
None | Parameter 'lane' has illegal value. |
Supported Families
| PolarFire |
| PolarFire SoC |
Example
Write signal integrity on "Q2_LANE0" lane with the possible values of parameters:
signal_integrity_write \
-lane {Q2_LANE0} \
-TX_EMPHASIS_AMPLITUDE {400mV_with_-3.5dB} \
-TX_IMPEDANCE {100} \
-TX_TRANSMIT_COMMON_MODE_ADJUSTMENT {50} \
-RX_TERMINATION {100} \
-RX_LOSS_OF_SIGNAL_DETECTOR_LOW {1} \
-RX_LOSS_OF_SIGNAL_DETECTOR_HIGH {3} \
-RX_PN_BOARD_CONNECTION {AC_COUPLED_WITH_EXT_CAP} \
-RX_POLARITY {Normal} \
-RX_CTLE {No_Peak_+2.8dB} \
-RX_INSERTION_LOSS {6.5dB} \
-RX_CDR_GAIN {High}See Also
signal_integrity_import
signal_integrity_export
load_SI_design_defaults