LMH0318_15 Datasheet, PDF (30/57 Pages) Texas Instruments – LMH0318 3 Gbps HD/SD SDI Reclocker with Integrated Cable Driver

LMH0318
SNLS508 – SEPTEMBER 2015
www.ti.com
REGISTER NAME
SD0_CONFIG
SD1_CONFIG
EQ_BOOST_OV
CTLE Setting
BITS
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Table 6. Receiver Registers (continued)
FIELD REGISTER
ADDRESS
Reg 0x14 Channel
Reserved
Reserved
sd_0_refa_sel[1]
sd_0_refa_sel[0]
sd_0_refd_sel[1]
sd_0_refd_sel[0]
Reserved
Reserved
Reg_0x15 Channel
Reserved
Reserved
sd_1_refa_sel[1]
sd_1_refa_sel[0]
sd_1_refd_sel[1]
sd_1_refd_sel[0]
Reserved
Reserved
Reg_0x2D Channel
Reserved
Reserved
Reserved
Reserved
reg_eq_bst_ov
Reserved
Reserved
Reserved
Reg_0x31 Channel
Reserved
adapt_mode[1]
adapt_mode[0]
Reserved
Reserved
Reserved
input_mux_ch_sel[1]
input_mux_ch_sel[0]
DEFAULT
0x00
0
0
0
0
0
0
0
0
0x00
0
0
0
0
0
0
0
0
0x88
1
0
0
0
1
0
0
0
0x00
0
00
0
0
0
0
0
R/RW
DESCRIPTION
IN0 Signal Detect Threshold Setting
RW
RW
RW Controls signal detect S_DH- Assert [5:4],
RW
S_DL- De-Assert [3:2], thresholds for IN0
0000: Default levels (nominal)
RW 0101: Nominal -2 mV
1010: Nominal +5 mV
RW _{1111: Nominal +3 mV}
RW
RW
IN1 Signal Detect Threshold Setting
RW
RW
RW Controls signal detect S_DH- Assert [5:4],
RW
S_DL- De-Assert [3:2], thresholds for IN1
0000: Default levels (nominal)
RW 0101: Nominal -2 mV
1010: Nominal +5 mV
RW _{1111: Nominal +3 mV}
RW
RW
EQ Boost Override
RW
RW
RW
RW
1: Enable EQ boost over ride See
RW LMH0318 Programming Guide (SNLU183)
0: Disable EQ boost over ride
RW
RW
RW
CTLE Mode of Operation and Input/Output
Mux Selection
RW
00: Normal Operation - Manual CTLE
Setting
RW 01: Test Mode - See the LMH0318
Programming Guide (SNLU183) for details
Other Settings - Invalid
RW
RW
RW
RW IN0/1 and OUT0/1 selection
00: selects IN0 and OUT0/1
01: selects IN0 and OUT0
RW _{10: selects IN1 and OUT1}
11: selects IN1 and OUT0/1
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