DS100DF410 Datasheet, PDF (24/43 Pages) Texas Instruments – Low Power 10GbE Quad Channel Retimer

DS100DF410
SNLS399A – JANUARY 2012 – REVISED FEBRUARY 2013
www.ti.com
Address (Hex)
Bits
0x2f
7:6
5:4
3
2
1
0
0x30
4
3
1:0
0x31
6:5
4:3
0x32
7:4
3:0
0x33
7:4
3:0
0x34
3:0
0x35
4:0
0x36
6
5:4
2
1:0
0x39
4:0
Table 5. Channel Registers (continued)
Default Value (Hex)
0x0
0x0
0x0
Mode
R/W
R/W
R/W
0x1
R/W
0x1
R/W
0x0
R/W
0x0
R
0x0
R/W
0x0
R/W
0x1
R/W
0x0
R/W
0x1
R/W
0x1
R/W
0x8
R/W
0x8
R/W
0xf
R/W
0x1f
R/W
0x0
R/W
0x3
R/W
0x0
R/W
0x1
R/W
0x0
R/W
Field Name
Description
RATE[1:0]
Rate <1:0>
SUBRATE[1:0]
Subrate <1:0>
index_ov
CTLE Adaptation
Index Override
(Register 0x13)
en_ppm_check
Enable Frequency
Counter for Lock
Detect
en_fld_check
False Lock Detector
for lock detect is
disabled by default.
Must set bit to 0 to
enable the FLD.
ctle_adapt
Start CTLE
Adaptation
heo_veo_interrupt
Goes High if Interrupt
from CDR Goes High
prbs_en_dig_clk
PRBS Generator
Enable
prbs_pattern_sel[1:0] PRBS Generator
Pattern Select <1:0>
adapt_mode[1:0]
Adaptation Mode
<1:0>
eq_sm_fom[1:0]
CTLE Adaptation
Figure of Merit Type
<1:0>
heo_int_thresh[3:0]
HEO Interrupt
Threshold <3:0>
veo_int_thresh[3:0]
VEO Interrupt
Threshold <3:0>
heo_thresh[3:0]
HEO Threshold for
CTLE Adaptation
Handoff to DFE
Adaptation <3:0>
veo_thresh[3:0]
VEO Threshold for
CTLE Adaptation
Handoff to DFE
Adaptation <3:0>
dfe_max_tap_2_5[3:0 Maximum DFE Tap
]
Absolute Value for
Taps 2–5 <3:0>
dfe_max_tap_1[4:0]
Maximum DFE Tap
Absolute Value for
Tap 1 <4:0>
heo_veo_int_enable Enable HEO/VEO
Interrupt
ref_mode[1:0]
Reference Clock
Mode <1:0>
mr_cdr_cap_dac_rng Enable Override for
_ov
VCO Cap DAC
Range
mr_cdr_cap_dac_rng[ Cap DAC Range
1:0]
<1:0>
start_index[4:0]
Start Index for CTLE
Adaptation <4:0>
(Enable from Register
0x2f, Bit 3)
24
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