5.1.1. Required Clock Frequencies
Port Name | Frequency (MHz) | Notes |
---|---|---|
i_reconfig_clk | 100 | Provides CSR access on all the Avalon® memory-mapped interfaces. |
o_tx_clkout | 402.83203125 415.0390625 451.5625 |
System clock divided by 2. |
o_tx_clkout2 | 368.64 | CPRI PHY system clock times (64/66) for 24G channels. |
184.32 | CPRI PHY system clock times (64/66) for 12G channels. | |
153.6 | CPRI PHY system clock times (64/66) for 10G channels. | |
491.52 | CPRI PHY system clock for 9.8G channels. | |
307.2 | CPRI PHY system clock for 6G channels. | |
245.76 | CPRI PHY system clock for 4.9G channels. | |
153.6 | CPRI PHY system clock for 3G channels. | |
122.88 | CPRI PHY system clock for 2.4G channels. | |
61.44 | CPRI PHY system clock for 1.2G channels. | |
o_rx_clkout | 402.83203125 415.0390625 451.5625 |
System clock divided by 2 |
o_rx_clkout2 | 368.64 | Derived from recovered clock for 24G channels. |
184.32 | Derived from recovered clock for 12G channels. | |
153.6 | Derived from recovered clock for 10G channels. | |
491.52 | Derived from recovered clock for 9.8G channels. | |
307.2 | Derived from recovered clock for 6G channels. | |
245.76 | Derived from recovered clock for 4.9G channels. | |
153.6 | Derived from recovered clock for 3G channels. | |
122.88 | Derived from recovered clock for 2.4G channels. | |
61.44 | Derived from recovered clock for 1.2G channels. | |
i_sampling_clk | 250 | Sampling clock for deterministic logic from external source. |
o_cdr_divclk | 92.16 | Derived from reference clock for 24G channels (refclk/N, N=2). |
30.72 | Derived from reference clock for 12G channels (refclk/N, N=6). | |
30.72 | Derived from reference clock for 10G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 9.8G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 6G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 4.9G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 3G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 2.4G channels (refclk/N, N=6). | |
25.6 | Derived from reference clock for 1.2G channels (refclk/N, N=6). |