TLK111_14 Datasheet, PDF (78/110 Pages) Texas Instruments – PHYTER® Industrial Temperature 10/100Mbs Ethernet Physical Layer Transceiver

TLK111
SLLSEF8B – AUGUST 2013 – REVISED JANUARY 2014
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Table 8-41. Fiber Mode Control Register 2 (FIBCR2), address 0x00FD (continued)
BIT NAME
DEFAULT
FUNCTION
9
Enable Auto SD 0, RW
Indication
When asserted, this bit enables auto detection of the SD_IN signal based on the optic
transceiver output. This mode assumes that when SD_IN is low, the optic transceiver does
not transmit valid PECL signaling. The Auto SD_IN feature can detect Valid PECL
signaling, and once detected, Auto SD_IN assumes the SD_IN is asserted and establishes
the FX link.
8:0 RESERVED
1 0110 0100, RO
8.12 Fiber Mode Control Register 3 (FIBCR3)
Table 8-42. Fiber Mode Control Register 3 (FIBCR3), address 0x0102
BIT NAME
DEFAULT
15 Enable Manual 0, RW
SD_IN Config
14 SD_IN Manual 0, RW
Config
13:0 RESERVED
00 0010 0000
0000, RO
FUNCTION
Allows manually configuration of the SD_IN signal. This features allows the MAC to control
the start of an FX link, assuming the MAC is in 'PHY link partners connected' status, the
actual control on the SD_IN is done using bit [14] in this register.
SD_IN Manual control: '1' - notify the PHY SD_IN is on, '0' notify the PHY the SD_IN is off.
Manual configuration overides all other SD_IN mechanisms.
Writes ignored, read as 0x200h
8.13 Cable Diagnostic Configuration/Result Registers
8.13.1 ALCD Control and Results 1 (ALCDRR1)
Table 8-43. ALCD Control and Results 1 (ALCDRR1), address 0x0155
BIT
BIT NAME
15 alcd_start
14:13
12 alcd_done
11:4 alcd_out1
3 RESERVED
2:0 alcd_ctrl
DEFAULT
0, SC
00, RO
0, RO
0000 0000,
RO
0, RO
001,RW
DESCRIPTION
1 = Start ALCD
RESERVED: Writes ignored, read as 0.
TPTD Diagnostic Bypass
1 = Bypass TPTD diagnostic. TDR on TPTD pair is not executed.
0 = TDR is executed on TPTD pair
alcd_out1
RESERVED: Writes ignored, read as 0
Control of ALCD Average factor
8.13.2 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 8-44. Cable Diagnostic Specific Control Register (CDSCR), address 0x0170
BIT
BIT NAME
15 RESERVED
14 Diagnostic Cross
Disable
13 Diagnostic TPTD
Bypass
DEFAULT
0, RO
0, RW
0, RW
DESCRIPTION
RESERVED: Writes ignored, read as 0.
Cross TDR Diagnostic mode
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.
TPTD Diagnostic 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.
78
Register Block
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