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DS250DF230ZLSR Datasheet(PDF) 45 Page - Texas Instruments

Part # DS250DF230ZLSR
Description  DS250DF230 25-Gbps Multi-Rate 2-Channel Retimer
PDF  119 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DS250DF230ZLSR Datasheet(HTML) 45 Page - Texas Instruments

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Table 8-10. Channel Registers, 0 to 39 (continued)
ADDRESS
(HEX)
BITS
DEFAULT
VALUE
(HEX)
MODE
EEPROM
FIELD NAME
DESCRIPTION
11
7
0
RW
Y
EOM_SEL_VRANGE[1]
Manually set the EOM vertical range,
used with channel Reg_0x2C[6]:
00: ±100 mV
01: ±200 mV
10: ±300 mV
11: ±400 mV
6
0
RW
Y
EOM_SEL_VRANGE[0]
5
1
RW
Y
EOM_PD
1: Normal operation. Eye opening
monitor (EOM) is automatically duty-
cycled.
0: EOM is force-enabled
4
0
RW
N
RESERVED
RESERVED
3
0
RW
Y
DFE_TAP2_POL
Bit forces DFE tap 2 polarity
1: Negative, boosts by the specified
tap weight
0: Positive, attenuates by the specified
tap weight
2
0
RW
Y
DFE_TAP3_POL
Bit forces DFE tap 3 polarity
1: Negative, boosts by the specified
tap weight
0: Positive, attenuates by the specified
tap weight
1
0
RW
Y
DFE_TAP4_POL
Bit forces DFE tap 4 polarity
1: Negative, boosts by the specified
tap weight
0: Positive, attenuates by the specified
tap weight
0
0
RW
Y
DFE_TAP5_POL
Bit forces DFE tap 5 polarity
1: Negative, boosts by the specified
tap weight
0: Positive, attenuates by the specified
tap weight
12
7
1
RW
Y
DFE_TAP1_POL
Bit forces DFE tap 1 polarity
1: Negative, boosts by the specified
tap weight
0: Positive, attenuates by the specified
tap weight
6
0
RW
N
RESERVED
RESERVED
5
0
RW
Y
RESERVED
RESERVED
4
0
RW
Y
DFE_WT1[4]
These bits force DFE tap 1 weight.
Manual DFE operation is required
for this to take effect by setting
Reg_0x15[7]=1.
If Reg_0x15[7]=0, the value defined
here is used as the initial DFE tap 1
weight during adaptation.
3
0
RW
Y
DFE_WT1[3]
2
0
RW
Y
DFE_WT1[2]
1
1
RW
Y
DFE_WT1[1]
0
1
RW
Y
DFE_WT1[0]
www.ti.com
DS250DF230
SNLS590C – AUGUST 2018 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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