The following table shows the difference in
LOOKUP_INTERFACE_FREQ for SINGLE_CLOCK and DUAL_CLOCK modes.
TDM Factor | LOOKUP RATE [Msps] | LOOKUP INTERFACE FREQ [MHz] | RAM CLOCK [MHz] | CLOCKING MODE |
---|---|---|---|---|
4 | Up to 150 | Minimum 4xLOOKUP_RATE | LOOKUP_IF_FREQ | SINGLE CLOCK |
4 | Up to 150 | Minimum LOOKUP_RATE | Minimum 4xLOOKUP_RATE | DUAL CLOCK |
2 | Up to 300 | Minimum 2xLOOKUP_RATE | LOOKUP_IF_FREQ | SINGLE CLOCK |
2 | Up to 300 | Minimum 2xLOOKUP_RATE | Minimum 2xLOOKUP_RATE | DUAL CLOCK |
1 | Up to 600 | LOOKUP_IF_FREQ | LOOKUP_IF_FREQ | SINGLE CLOCK |
Note: Dual clock mode is
recommended for Lookup rates up to 300 Mlps.