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TUSB1044 Datasheet(PDF) 32 Page - Texas Instruments |
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TUSB1044 Datasheet(HTML) 32 Page - Texas Instruments |
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32 / 67 page ![]() 32 TUSB1044 SLLSF47A – FEBRUARY 2018 – REVISED FEBRUARY 2018 www.ti.com Product Folder Links: TUSB1044 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Table 7. TUSB1044 Receiver Equalization GPIO Control (continued) Downstream Facing Ports using 1100mV linearity setting Upstream Facing Port using 1100mV linearity setting 2 0 F 1.5 1.7 0 F 0.7 0.0 3 0 1 3.0 3.2 0 1 0.9 1.4 4 R 0 4.0 4.1 R 0 1.9 2.4 5 R R 5.0 5.2 R R 3.0 3.5 6 R F 5.9 6.1 R F 3.8 4.3 7 R 1 6.7 6.9 R 1 4.7 5.2 8 F 0 7.4 7.7 F 0 5.4 6.0 9 F R 8.0 8.3 F R 6.0 6.6 10 F F 8.5 8.8 F F 6.5 7.2 11 F 1 9.0 9.4 F 1 7.1 7.7 12 1 0 9.4 9.8 1 0 7.5 8.1 13 1 R 9.8 10.3 1 R 7.9 8.6 14 1 F 10.1 10.6 1 F 8.3 9.0 15 1 1 10.5 11.0 1 1 8.6 9.4 7.4.6 Adjustable VOD Linear Range and DC Gain The CFG0 and CFG1 pins can be used to adjust the TUSB1044 differential output voltage (VOD) swing linear range and receiver equalization DC gain for both downstream and upstream data path directions. Table 8 details the available options. Table 8. VOD Linear Range and DC Gain Setting # CFG1 pin Level CFG0 pin Level Downstream DC Gain (dB) Upstream DC Gain (dB) Downstream VOD Linear Range (mVpp) Upstream VOD Linear Range (mVpp) 0 0 0 1 0 900 900 1 0 R 0 1 900 900 2 0 F 0 0 900 900 3 0 1 1 1 900 900 4 R 0 0 0 1100 1100 5 R R 1 0 1100 1100 6 R F 0 1 1100 1100 7 R 1 2 2 1100 1100 8 F 0 Reserved Reserved Reserved Reserved 9 F R Reserved Reserved Reserved Reserved 10 F F 0 0 1300 1300 11 F 1 Reserved Reserved Reserved Reserved 12 1 0 Reserved Reserved Reserved Reserved 13 1 R Reserved Reserved Reserved Reserved 14 1 F Reserved Reserved Reserved Reserved 15 1 1 Reserved Reserved Reserved Reserved |
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