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13.4.1. General Parameters for Stratix V Native PHY
This section describes the datapath parameters in the General Options tab for the Stratix V native PHY.
Name | Range | Description |
---|---|---|
Device speed grade | fastest - 3_H3 | Specifies the speed grade. |
Message level for rule violations | error warning |
When you select the error message level, the Intel® Quartus® Prime rules checker reports an error if you specify incompatible parameters. If you select the warning message level, the Intel® Quartus® Prime rules checker reports a warning instead of an error. |
Datapath Options | ||
Enable TX datapath | On/Off | When you turn this option On, the core includes the TX datapath. |
Enable RX datapath | On/Off | When you turn this option On, the core includes the RX datapath. |
Enable Standard PCS | On/Off | When you turn this option On, the core includes the Standard PCS . You can enable both the Standard and 10G PCS if you plan to dynamically reconfigure the Native PHY. |
Enable 10G PCS | On/Off | When you turn this option On, the core includes the 10G PCS. You can enable both the Standard and 10G PCS if you plan to dynamically reconfigure the Native PHY. |
Initial PCS datapath selection | Enable Standard PCS Enable 10G PCS |
Specifies the active datapath when you enable both the Standard PCS and 10G PCS. |
Number of data channels | Device Dependent | Specifies the total number of data channels in each direction. From 1-32 channels are supported. |
Bonding mode | Non-bonded or x1 ×6/×N fb_compensation |
In Non-bonded or x1 mode, each channel is paired with a PLL. If one PLL drives multiple channels, PLL merging is required. During compilation, the Intel® Quartus® Prime Fitter, merges all the PLLs that meet PLL merging requirements. Refer to Merging TX PLLs In Multiple Transceiver PHY Instances to observe PLL merging rules. When you select ×6/×N Bonding Mode, the Intel® Quartus® Prime software uses a single TX PLL to generate the clock for up to 6 channels in a single transceiver bank. If the channels used cross a transceiver bank boundary, the Intel® Quartus® Prime software uses the ×N clock lines to route the same clock source to the channels. Bonded channels do not support dynamic reconfiguration of the transceiver. Select fb_compensation (feedback compensation) to use the same clock source for multiple channels across different transceiver banks to reduce clock skew. For more information about bonding, refer to "Bonded Channel Configurations Using the PLL Feedback Compensation Path" in volume 2 of the Stratix V Device Handbook. |
Enable simplified data interface | On/Off | When you turn this option On, the Native PHY presents only the relevant data bits. When you turn this option Off, the Native PHY presents the full raw interface to the fabric. If you plan to dynamically reconfigure the Native PHY, you must turn this option Off and you need to understand the mapping of data to the FPGA fabric. Refer to Table 189 for more information. When you turn this option On , the Native PHY presents an interface that includes only the data necessary for the single configuration specified. |