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Ixiasoft
Visible to Intel only — GUID: noh1615488633669
Ixiasoft
3.3.1. General and Common Datapath Options
You can customize your instance of the F-Tile PMA/FEC Direct PHY Intel® FPGA IP by specifying parameter values to suit your application. The parameters are organized in the following sections for each functional block and feature:
- General and Common Datapath options
- TX Datapath Options
- RX Datapath Options
- RS-FEC (Reed Solomon Forward Error Correction) Options
- Avalon Memory Mapped Interface Options
Parameter | Values | Description |
---|---|---|
General | ||
Number of system copies | 1-16 | Specifies the total number of independent system copies. For example, you can create multiple copies of the same PMA/FEC mode configuration by setting this to value of 2 (or more) and with the same PMA configuration. This is duplicated to create 2 PMA lanes of the same configuration for the given example. Default value is 1. |
Common Datapath Options | ||
PMA type | FGT,FHT |
Specifies the type of PMA used. FGT PMA can operate up to 58.125Gbps PMA. FHT PMA can operate up to 116Gbps. Default is FGT. |
Number of PMA lanes | 1, 2, 4, 6, 8, 12, 16 | Specifies the total number of PMA lanes in a bonded group. For example, if the value is 4, this means there are 4 PMA lanes bonded in the same group and share the same bonding clock. A value of 1 means there is no System bonding. Values 6 and 12 supported only for PMA Direct mode. Default value is 1. |
Datapath clocking mode | PMA System PLL |
Specifies whether the PMA parallel clock or System PLL is used to clock the TX/RX datapath. Use of System PLL is required when Enable RS-FEC is on or dynamic reconfiguration is intended. Default value is System PLL. |
System PLL frequency | 31.25 to 1000 | Specifies the System PLL clock frequency (MHz) and applicable if datapath clocking mode is selected as System PLL. Default value is 830.08 21. |
PMA mode | Duplex, TX Simplex, RX Simplex |
Specifies the PMA operation mode. TX simplex and RX simplex can operate at independent rates. Default value is Duplex. |
PMA modulation type | PAM4,NRZ | Specifies the modulation type used for serial data. Default value is PAM4. |
PMA data rate |
25781.25 | Specifies the PMA data rate in units of Mbps (megabits per second). Default value is 25781.25. |
PMA parallel clock frequency | Data rate / PMA Width | Displays PMA parallel clock frequency which is PMA data rate divided by PMA interface width in MHz. Default value is Data rate / PMA Width. |
PMA width | 8, 10, 16, 20, 32, 64, 128 | Specifies the PMA data width. 128-bit is only supported for FHT. The PMA data width specifies the total number of PMA bond streams (PMA bonding). For example:
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Enable RX de-skew when available | On/Off | Enables the RX de-skew feature. This feature is only available in:
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Provide separate interface for each PMA | On/Off | When On, the PMA/FEC Direct PHY IP presents separate data and clock interfaces for each PMA lane, rather than a wide bus. Default value is Off. Refer to Signal and Port Reference for a list of signals that are not impacted by this feature.
Note: When the Enable RS-FEC option is on, a separate interface is not available for each PMA by use of the Provide separate interface for each PMA option.
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