10.1.6 Post Layout Edit PDC Commands

Arguments

For arguments related to GPIO and HSIO type I/Os, see 10.1.3.3 set_io.

The following are the arguments for PolarFire Transceiver type I/Os.

-TX_EMPHASIS_AMPLITUDE <value>

Adjusts the transmit emphasis and DC amplitude settings of the transmitter output drivers. The default value is 400mV_with_-1.0dB.

Direction: Output

Table 10-34. TX Emphasis Amplitude Values

Name	Values
TX_EMPHASIS_AMPLITUDE	100mV_with_0dB
	200mV_with_0dB
	200mV_with_-1.0dB
	200mV_with_-2.5dB
	200mV_with_-3.5dB
	200mV_with_-4.4dB
	200mV_with_-6.0dB
	300mV_with_0dB
	400mV_with_0dB
	400mV_with_-1.0dB
	400mV_with_-2.5dB
	400mV_with_-3.5dB
	400mV_with_-4.4dB
	400mV_with_-6.0dB
	500mV_with_0dB
	600mV_with_-3.5dB
	600mV_with_-6.0dB
	800mV_with_0dB
	800mV_with_-1.0dB
	800mV_with_-2.5dB
	800mV_with_-3.5dB
	800mV_with_-4.4dB
	800mV_with_-6.0dB
	1000mV_with_0dB
	1000mV_with_-1.0dB
	1000mV_with_-2.5dB
	1000mV_with_-3.5dB
	1000mV_with_-4.4dB
	1000mV_with_-6.0dB

-TX_IMPEDANCE <value>

Adds calibrated internal impedance onto the differential outputs. The default value is 100.

Direction: Output

Table 10-35. TX_IMPEDANCE Values

Name	Values
TX_IMPEDANCE	150
	100
	85
	180

-TX_TRANSMIT_COMMON_MODE_ ADJUSTMENT <value>

Transmit Common-mode level is used as a percentage of full Common-mode level or VDDA. It is only adjusted when DC coupled. For AC coupled systems, the level must remain as default. The default value is 50.

Direction: Output

Table 10-36. TX_TRANSMIT_COMMON_MODE_ ADJUSTMENT Values

Name	Values
TX_TRANSMIT_COMMON_MODE_ ADJUSTMENT	50
	60
	70
	80

-RX_INSERTION_LOSS <value>

Sets the predefined settings used to statically adjust the receiver CDR and DFE. The default value is 6.5 dB.

Direction: Input

Table 10-37. RX_INSERTION_LOSS Values

Name	Values
RX_INSERTION_LOSS	6.5 dB
	17.0 dB
	25.0 dB

-RX_CALIBRATION <value>

For more information about Receiver Calibration, see PolarFire Family Transceiver User Guide .

Direction: Input

Table 10-38. RX_CALIBRATION Values

Name	Values
RX_CALIBRATION	None_CDR
	On Demand
	On Demand and First Lock
	None_DFE

-RX_CTLE

Sets the receiver equalization settings used to reduce the low-frequency component of the signal while boosting the high frequency component. The default value is set based on data-rate and Rx insertion loss model.

Direction: Input

For Rx CTLE Settings table, see AC483: PolarFire FPGA Transceiver Signal Integrity Application Note .

-RX_CDR_GAIN <value>

CDR Gain denotes the effect of Gain on Jitter. Low CDR gain denotes low CDR lock time and better jitter tolerance whereas High CDR gain denotes faster CDR lock time and high jitter.

Direction: Input

Table 10-39. RX_CDR_GAIN Values

Name	Values
RX_CDR_GAIN	Low
	High

-RX_TERMINATION <value>

Sets a calibrated input termination for available differential impedances within the Rx buffer. The default value is 100.

Direction: Input

Table 10-40. RX_TERMINATION Values

Name	Values
RX_TERMINATION	150
	100
	85

-RX_PN_BOARD_CONNECTION <value>

Sets the coupling type for PCB. The default value is AC_COUPLED_WITH_EXT _CAP.

Direction: Input

Table 10-41. RX_PN_BOARD_CONNECTION Values

Name	Values
RX_PN_BOARD_CONNECTION	AC_COUPLED_WITH_EXT_CAP
	DC_COUPLED

-RX_LOSS_OF_SIGNAL_DETECTOR_LOW <value>

Sets the lower set point for a Loss Of Signal (LOS) detector to ensure that a good signal is applied to the receiver. The default value is OFF.

Direction: Input

Table 10-42. RX_LOSS_OF_SIGNAL_DETECTOR_LOW Values

Name	Values
RX_LOSS_OF_SIGNAL_DETECTOR_LOW	OFF
	PCIE
	SATA
	BMR
	1
	2
	3
	4
	5
	6
	7

-RX_LOSS_OF_SIGNAL_DETECTOR_HIGH <value>

Sets the higher set point for an LOS detector to ensure that a good signal is applied to the receiver. The default value is OFF.

Direction: Input

Table 10-43. RX_LOSS_OF_SIGNAL_DETECTOR_HIGH Values

Name	Values
RX_LOSS_OF_SIGNAL_DETECTOR_HIGH	OFF
	PCIE
	SATA
	BMR
	1
	2
	3
	4
	5
	6
	7

-RX_DFE_COEFFICIENT_H1 <value>

Sets the DFE coefficients for a design set in static mode. These attributes are optional and take integer values between 0 and 15. The corresponding register fields are 5 bits wide in all cases with the MSB bit reserved for sign bit.

The same values are applicable for -RX_DFE_COEFFICIENT_H2, -RX_DFE_COEFFICIENT_H3, -RX_DFE_COEFFICIENT_H4 and -RX_DFE_COEFFICIENT_H5.

-RX_POLARITY <value>

Use this attribute to swap the P and N receiver pins, which provide flexible PCB routing by interchanging the devices physical pin to the logical signal. The default value is Normal.

Direction: Input

Table 10-44. RX_POLARITY Values

Name	Value
RX_POLARITY	Normal
	Inverted

Example

edit_io -port_name A -RES_PULL Down
-CLAMP_DIODE LVCMOS15 \
-OUT_DRIVE 12

Arguments

-inst_name <inst_name>

Specifies the instance name of the I/O macro.

-properties {<property_name>:<property_value>

[ <property_name>:<property_value>]*}

The following are the supported user properties and values.

Table 10-45. Supported User Properties and Values

Macro Name	Property	Values
LANECTRL	RX_DQS_DELAY	0–255
	TX_DQS_DELAY	0–255
ICB_CLKDIVDELAY	DELAY	(0–127, 128, 130, 132, …, 254)
PLL_DELAY	DELAY	0–127