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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDP158 датащи(PDF) 25 Page - Texas Instruments |
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TDP158 датащи(HTML) 25 Page - Texas Instruments |
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25 / 55 page  1 10 9 8 7 6 5 4 3 2 24 21 22 23 25 26 27 28 29 30 I2C_EN HPD_SRC OUT_CLKp OUT_CLKn OUT_D0p OUT_D0n OUT_D1p OUT_D1n OUT_D2p OUT_D2n HPD_SNK IN_CLKn IN_CLKp IN_D1n IN_D1p IN_D2n IN_D2p IN_D0n IN_D0p A1/EQ2 1 10 9 8 7 6 5 4 3 2 24 21 22 23 25 26 27 28 29 30 In Normal Working Lane Swap CLOCK LANE DATA LANE0 DATA LANE1 DATA LANE2 CLOCK LANE DATA LANE0 DATA LANE1 DATA LANE2 OUT_CLKp OUT_CLKn OUT_D0p OUT_D0n OUT_D1p OUT_D1n OUT_D2p OUT_D2n HPD_SNK I2C_EN HPD_SRC IN_CLKn IN_CLKp IN_D1n IN_D1p IN_D2n IN_D2p IN_D0n IN_D0p A1/EQ2 25 TDP158 www.ti.com SLLSEX2 – DECEMBER 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) For Pin Control 0 = GND, 1 = VCC, Z = Floating (No Connect) (2) Individual Lane control is based upon the pin names with no swap (3) The CLK EQ in HDMI mode is controlled by register P0_Reg0D[2:1] Figure 23. TDP158 Swap Function 8.3.5 Main Link Inputs Standard Dual Mode DisplayPort terminations are integrated on all inputs with expected AC coupling capacitors on board prior to input pins. External terminations are not required. Each input data channel contains an equalizer to compensate for cable or board losses. The voltage at the input pins must be limited under the absolute maximum ratings. 8.3.6 Receiver Equalizer The equalizer is used to clean up inter-symbol interference (ISI) jitter/loss from the bandwidth-limited board traces or cables. TDP158 supports fixed receiver equalizer by setting the A0/EQ1 and A1/EQ2 pins or through I2C. Table 3 shows the pin strap settings and EQ values. Table 3. Receiver EQ Programming and Values Global Independent Lane Control RX EQ (dB) Pin Control (1) I2C Control I2C Control (2) {EQ2,EQ1} P0_Reg0D[6:3] D2 P0_Reg4E[3:0] D1 P0_Reg4E[7:4] D3 P0_Reg4F[3:0] CLK(2)(3) P0_Reg4F[7:4] 2 2’b00 4’b0000 4’b0000 4’b0000 4’b0000 4’b0000 3 2’b0Z 4’b0001 4’b0001 4’b0001 4’b0001 4’b0001 4 4’b0010 4’b0010 4’b0010 4’b0010 4’b0010 5 2’b01 4’b0011 4’b0011 4’b0011 4’b0011 4’b0011 6.5 2’bZ0 4’b0100 4’b0100 4’b0100 4’b0100 4’b0100 7.5 4’b0101 4’b0101 4’b0101 4’b0101 4’b0101 8.5 2’bZZ 4’b0110 4’b0110 4’b0110 4’b0110 4’b0110 9 4’b0111 4’b0111 4’b0111 4’b0111 4’b0111 10 2’bZ1 4’b1000 4’b1000 4’b1000 4’b1000 4’b1000 11 2’b10 4’b1001 4’b1001 4’b1001 4’b1001 4’b1001 |
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