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TDP158 Datasheet(PDF) 46 Page - Texas Instruments |
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TDP158 Datasheet(HTML) 46 Page - Texas Instruments |
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46 / 55 page  HDMI/DVI Receptacle or DP Receptacle IN_CLKp OUT_CLKp IN_D1p OUT_D1p IN_D0p OUT_D0p OUT_D2n IN_D2p 5 V HPD_SNK SDA_SNK SCL_SNK OE VSADJ 0.1 µF 6 .Ÿ 1% ML0p ML1p ML2p ML3p 0 Ÿ 1 0Ÿ 0.1 uF HPD HPD_SRC 2 .Ÿ Optional TMDS_D2p HPD DDC_SDA DDC_SCL IN_D2n 0.1 µF ML0n 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 µF ML1n ML2n ML3n IN_CLKn IN_D1n IN_D0n 1 7 4 5 6 10 9 2 2 .Ÿ 2 .Ÿ DDC_SCL DDC_SDA 2 .Ÿ SDA_SRC SCL_SRC OUT_D2p OUT_CLKn OUT_D1n OUT_D0n TMDS_D2n TMDS_D0p TMDS_D0n TMDS_D1p TMDS_D1n TMDS_CLKp TMDS_CLKn 3 36 18 39 38 6 1 3 4 9 7 12 10 16 15 19 11 2 5 8 17 14 15 GND1 GND3 GND6 GND2 GND4 GND5 20 22 23 21 0 Ÿ 0 Ÿ 0 Ÿ I2C_EN TERM EQ1/A0 EQ2/A1 SLEW 23 16 17 34 8 2 .Ÿ 2 .Ÿ I2C_SCL I2C_SDA SDA_CTL/PRE SCL_CTL/SWAP 14 13 100 .Ÿ CAD_DET 0.1 µF 0.1 µF 10 µF VCC_3.3 V CEC CEC CEC CEC 13 VDD_1.1 V 12 19 20 31 40 GND GND THERMAL PAD 35 CASE_GND1 CASE_GND2 CASE_GND3 CASE_GND4 30 24 27 26 25 21 22 29 32 28 33 VCC_3.3V VCC_3.3 V VCC_3.3 V 0.1 µF 0.1 µF 0.1 µF 10 µF VDD_1.1 V 0.1 µF 0.1 µF 0.1 µF NC I2C Programming only so these can be left floating 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 µF 0.1 uF AUXp AUXn AUXp AUXn AUXp AUXn AUXp AUXn For DisplayPort the link is AC coupled. This shows one way of doing this otherwise the capacitors could be moved to a dongle or the end equipment. 11 37 VCC_3.3 V 0.01 µF Copyright © 2016, Texas Instruments Incorporated 46 TDP158 SLLSEX2 – DECEMBER 2016 www.ti.com Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 9.2.5 9.1.2 Source Side HDMI/DP Application Using DP-Mode The TDP158 has a special mode that will allow the device to support either HDMI or DP applications. The device is put into this mode by setting reg09h[5] to 1. The device will self-configure with the following settings and become I2C programmable only. The TDP158 does not support automatic Link Training for DisplayPort. AUX channel bypasses device. • All four lanes are turned on and configured for 5.4 Gbps data rate. • Sets VOD Swing to ~ 410 mV (This value is based upon a VSADJ value of 6 kΩ). • Reg0Ch[7:5] is used to control VOD swing for all lanes. • Reg0Ch[1:0] is used to control Pre-emphasis for all lanes. • Reg30h[7:2] is used to turn on or off individual lanes as well as informing the TDP158 what the data rate is. This is used for the delay component for Pre-emphasis signal. Figure 49. TDP158 in Dual Role Source Side Application |
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