Datasheet

TLK110
SLLS901D –DECEMBER 2011–REVISED JANUARY 2014 www.ti.com
Table 8-35. Voltage Regulator Control Register (VRCR), address 0x00D0
BIT NAME DEFAULT FUNCTION
15 VRPD 0, RW, SC Voltage Regulator Power Down:
1 = Power Down. Allow the system to power down the voltage regulator block of the PHY
using register access.
0 = Normal Operation. Voltage Regulator is powered and outputs voltage on the PFBOUT
pin.
14:4 RESERVED 000 0000 0000, RW RESERVED: Must be written as 0.
3:0 VR Control 0000, RW Voltage Regulator Control This value should be ignored on read. To write to this register,
perform a read followed by a write with the desired value.
8.7 Cable Diagnostic Configuration/Result Registers
8.7.1 ALCD Control and Results 1 (ALCDRR1)
Table 8-36. ALCD Control and Results 1 (ALCDRR1), address 0x0155
BIT BIT NAME DEFAULT DESCRIPTION
15 alcd_start 0, SC 1 = Start ALCD
14:13 00, RO RESERVED: Writes ignored, read as 0.
12 alcd_done 0, RO TPTD Diagnostic Bypass
1 = Bypass TPTD diagnostic. TDR on TPTD pair is not executed.
0 = TDR is executed on TPTD pair
11:4 alcd_out1 0000 0000, alcd_out1
RO
3 RESERVED 0, RO RESERVED: Writes ignored, read as 0
2:0 alcd_ctrl 001,RW Control of ALCD Average factor
8.7.2 Cable Diagnostic Specific Control Registers (CDSCR1 - CDSCR4)
Use CDSCR1 to select the channel for the cable diagnostics test. CDSCR1 contains the enable and
bypass bits for the diagnostic tests, and defines the number of executed and averaged TDR sequences.
CDSCR2 - CDSCR4 configure other parameters for cable diagnostics.
Table 8-37. Cable Diagnostic Specific Control Register (CDSCR), address 0x0170
BIT BIT NAME DEFAULT DESCRIPTION
15 RESERVED 0, RO RESERVED: Writes ignored, read as 0.
14 Diagnostic Cross 0, RW Cross TDR Diagnostic mode
Disable 1 = Disable TDR Cross mode – TDR will be executed in regular mode only
0 = Diagnostic of crossing pairs is enabled In Cross Diagnostic mode, the TDR mechanism
is looking for reflection on the other pair to check short between pairs.
13 Diagnostic TPTD 0, RW TPTD Diagnostic Bypass
Bypass 1 = Bypass TPTD diagnostic. TDR on TPTD pair will not be executed.
0 = TDR is executed on TPTD pair
In bypass TPTD, results are available in TPRD slots.
12 Diagnostic TPRD 0, RO TPRD Diagnostic Bypass
Bypass 1 = Bypass TPRD diagnostic. TDR on TPRD pair will not be executed.
0 = TDR is executed on TPRD pair
11 RESERVED 1, RW RESERVED: Must be Set to 1.
10:8 Diagnostics Average 110, RW Number Of TDR Cycles to Average:
Cycles <000>: 1 TDR cycle
<001>: 2 TDR cycles
<010>: 4 TDR cycles
<011>: 8 TDR cycles
<100>: 16 TDR cycles
<101>: 32 TDR cycles
<110>: 64 TDR cycles (default)
<111>: Reserved
72 Register Block Copyright © 2011–2014, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TLK110