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15.4.1. General Parameters for Arria V GZ Native PHY
This section describes the datapath parameters in the General Options tab for the Arria V GZ 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. |
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 Bonded or ×6/xN 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. Select ×6 to use the same clock source for up to 6 channels in a single transceiver bank, resulting in reduced clock skew. You must use contiguous channels when you select ×6 bonding. In addition, you must place logical channel 0 in either physical channel 1 or 4. Physical channels 1 and 4 are indirect drivers of the ×6 clock network. 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 Transceiver Clocking in Arria V devices chapter of the Arria 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 259 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. |