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TUSB1104 Datasheet(PDF) 25 Page - Texas Instruments |
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TUSB1104 Datasheet(HTML) 25 Page - Texas Instruments |
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25 / 55 page ![]() 7.4.2 Rx EQ Configuration in Pin-Strap Mode The TUSB1104 configured in pin-strap mode uses the follow pins to control the EQ setting for each of its receivers: EQCFG pin, SSEQ[1:0] pins, CEQ[1:0] pins. Table 7-6. Pin-strap: SSTX1 and SSTX2 Receiver EQ Configuration SSTX Receiver SSEQ[1:0] pin level Gain at 5 GHz EQCFG pin level SSTX1 SSEQ0 = "0" 3 dB "1" or "R" SSEQ0 = "R" 6 dB "1" or "R" SSEQ0 = "F" 9 dB "1" or "R" SSEQ0 = "1" 12 dB "1" or "R" 16 possible settings based on SSEQ0 and SSEQ1 Refer to Table 7-3. "0" or "F" SSTX2 SSEQ1 = "0" 3 dB "1" or "R" SSEQ1 = "R" 6 dB "1" or "R" SSEQ1 = "F" 9 dB "1" or "R" SSEQ1 = "1" 12 dB "1" or "R" 16 possible settings based on SSEQ0 and SSEQ1 Refer to Table 7-3. "0" or "F" The following table describes receiver equalization controls for the receivers facing the USB connector. Table 7-7. Pin Strap: CRX1 and CRX2 EQ Configuration with AEQ Disabled CRX Receiver CEQ[1:0] pin level Gain at 5 GHz EQCFG pin level CRX1 CEQ0 = "0" 3 dB "0" or "R" CEQ0 = "R" 6 dB "0" or "R" CEQ0 = "F" 9 dB "0" or "R" CEQ0 = "1" 12 dB "0" or "R" 16 possible settings based on CEQ0 and CEQ1 Refer to Table 7-2. "F" or "1" CRX2 CEQ1 = "0" 3 dB "0" or "R" CEQ1 = "R" 6 dB "0" or "R" CEQ1 = "F" 9 dB "0" or "R" CEQ1 = "1" 12 dB "0" or "R" 16 possible settings based on CEQ0 and CEQ1 Refer to Table 7-2. "F" or "1" www.ti.com TUSB1104 SLLSFL1 – APRIL 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 25 Product Folder Links: TUSB1104 |
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