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DP83867CS 数据表(PDF) 97 Page - Texas Instruments |
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DP83867CS 数据表(HTML) 97 Page - Texas Instruments |
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97 / 129 page  7.6.106 TDR General Configuration Register 1 (TDR_GEN_CFG1) Table 7-116. TDR General Configuration Register 1 (TDR_GEN_CFG1), Address 0x0180 BIT BIT NAME DEFAULT DESCRIPTION 15:13 RESERVED 0, RO RESERVED 12 TDR_CH_CD_BYPASS 0, RW TDR Bypass for Channel C and D: 1 = Bypass channel C and D in TDR tests. 0 = Normal operation. 11 TDR_CROSS_MODE_DIS 0, RW Disable TDR Cross Mode: 1 = Disable cross mode option. Do not check cross channels. Only listen to the channel being used for transmit. 0 = Normal operation. 10 TDR_NLP_CHECK 1, RW TDR NLP Check: 1 = Check for NLPs during silence. 0 = Normal operation. 9:7 TDR_AVG_NUM 110, RW Number Of TDR Cycles to Average: 111: RESERVED: Writes ignored, read as 0. 110: 64 TDR cycles 101: 32 TDR cycles 100: 16 TDR cycles 011: 8 TDR cycles 010: 4 TDR cycles 001: 2 TDR cycles 000: 1 TDR cycle 6:4 TDR_SEG_NUM 101, RW Set the number of TDR segments to check. 3:0 TDR_CYCLE_TIME 010, RW Set the time for each TDR cycle. Value is measured in microseconds. 7.6.107 TDR Peak Locations Register 1 (TDR_PEAKS_LOC_1) Table 7-117. TDR Peak Locations Register 1 (TDR_PEAKS_LOC_1), Address 0x0190 BIT BIT NAME DEFAULT DESCRIPTION 15:8 TDR_PEAKS_LOC_A_1 0, RO Location of the second peak discovered by the TDR mechanism on channel A. The value of these bits is translated into distance from the PHY. 7:0 TDR_PEAKS_LOC_A_0 0, RO Location of the first peak discovered by the TDR mechanism on channel A. The value of these bits is translated into distance from the PHY. 7.6.108 TDR Peak Locations Register 2 (TDR_PEAKS_LOC_2) Table 7-118. TDR Peak Locations Register 2 (TDR_PEAKS_LOC_2), Address 0x0191 BIT BIT NAME DEFAULT DESCRIPTION 15:8 TDR_PEAKS_LOC_A_3 0, RO Location of the fourth peak discovered by the TDR mechanism on channel A. The value of these bits is translated into distance from the PHY. 7:0 TDR_PEAKS_LOC_A_2 0, RO Location of the third peak discovered by the TDR mechanism on channel A. The value of these bits is translated into distance from the PHY. 7.6.109 TDR Peak Locations Register 3 (TDR_PEAKS_LOC_3) Table 7-119. TDR Peak Locations Register 3 (TDR_PEAKS_LOC_3), Address 0x0192 BIT BIT NAME DEFAULT DESCRIPTION 15:8 TDR_PEAKS_LOC_B_0 0, RO Location of the first peak discovered by the TDR mechanism on channel B. The value of these bits is translated into distance from the PHY. www.ti.com DP83867CS, DP83867IS, DP83867E SNLS504F – OCTOBER 2015 – REVISED JANUARY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 97 Product Folder Links: DP83867CS DP83867IS DP83867E |
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