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DAC39RF10 Datasheet(PDF) 160 Page - Texas Instruments |
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DAC39RF10 Datasheet(HTML) 160 Page - Texas Instruments |
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160 / 232 page  Table 8-41. EQZERO Register Field Descriptions (continued) Bit Field Type Reset Description 4-0 EQZERO R/W 00h When EQZ_OVR=1, this field over-rides the equalizer’s zero frequency (for all lanes). When EQZ_OVR=0, the zero frequency is set automatically based on the RATE setting. 0x1F: 365 MHz (default setting for full and half-rate, RATE = 0 or 1) 0x1E: 275 MHz 0x1D: 195 MHz 0x1B: 140 MHz (default setting for quarter-rate mode, RATE = 2) 0x19: 105 MHz 0x10: 75 MHz 0x08: 55 MHz (default setting for eighth-rate, RATE = 3) 0x00: 50 MHz 8.39 LANE_EQ[15:0] Register (Offset = 01D0h) [reset = 08h] LANE_EQ[15:0] is shown in Figure 8-40 and described in Table 8-42. Return to the Register Summary Table. SerDes Equalizer Level for Physical Lane [n]. LANE_EQ[0] is at the lowest address. Figure 8-40. LANE_EQ[15:0] Register 7 6 5 4 3 2 1 0 RESERVED EQBOOST[n] EQLEVEL[n] R/W-0b R/W-00b R/W-00h Table 8-42. LANE_EQ[15:0] Register Field Descriptions Bit Field Type Reset Description 7 RESERVED R/W 0b 6-5 EQBOOST[n] R/W 00b Controls EQ boost for physical lane n. EQBOOST : GAIN Boost : BW Change : Power Increase 0 : 0dB : 0% : 0mW 1 : 2dB : -30% : 0mW 2 : 4dB : +10% : 5mW 3 : 6dB : -20% : 5mW 4-0 EQLEVEL[n] R/W 00h When EQ_OVR=1, this field controls the equalization level for lane n. The valid range is from 0 (least equalization) to 16 (most equalization). 8.40 LANE_EQS[15:0] Register (Offset = 01E0h) [reset = NA, read only] LANE_EQS[15:0] is shown in Figure 8-41 and described in Table 8-43. Return to the Register Summary Table. Serdes Equalizer Status for Physical Lane n Figure 8-41. LANE_EQS[15:0] Register 7 6 5 4 3 2 1 0 RESERVED EQOVER[n] EQUNDER[n] EQLEVEL_S[n] R R R R DAC39RF10-SP, DAC39RF10-SEP DAC39RFS10-SP, DAC39RFS10-SEP SBAS932A – MARCH 2024 – REVISED FEBRUARY 2026 www.ti.com 160 Submit Document Feedback Copyright © 2026 Texas Instruments Incorporated Product Folder Links: DAC39RF10-SP DAC39RF10-SEP DAC39RFS10-SP DAC39RFS10-SEP |
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