DS100MB201_16 Datasheet, PDF (16/26 Pages) Texas Instruments – Dual Lane 2:1/1:2 Mux/Buffer with Equalization

DS100MB201
SNLS333A – APRIL 2011 – REVISED APRIL 2013
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Address
Register Name
0x3A
DIN1
EQ Control
0x3B
SOA1
VOD Control 1
0x3C
SOA1
VOD Control 2
0x3D
DIN1
IDLE Threshold
0x40
SOB1
IDLE Select
0x42
SOB1
VOD Control
0x43
0x47
SOB1
VOD Control 2
Global VOD Adjust
Table 5. SMBus Register Map (continued)
Bit(s)
Field
7:6 Reserved
5:0 DIN1 EQ
7
Reserved
6:0 SOA1 VOD 1
7:0 SOA1 VOD 2
7:4 Reserved
3:0 IDLE threshold
7:6 Reserved
5
IDLE auto
4
IDLE select
3:0 Reserved
7
Reserved
6:0 SOB1 VOD
7:0 SOB1 VOD 2
7:2 Reserved
1:0 VOD Adjust
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
0x20
0x03
0x03
0x00
0x00
0x03
0x03
0x02
Description
Set bits to 0.
DIN1 EQ Control - total of 24 levels
(3 gain stages with 8 settings)
[5]: Enable EQ
[4:3]: Gain Stage Control
[2:0]: Boost Level Control
Register [EN] [GST] [BST] = Hex Value
100000 = 20'h = Bypass (Default)
101010 = 2A'h = 5 dB at 3 GHz
110000 = 30'h = 9 dB at 3 GHz
110010 = 32'h = 11.7 dB at 3 GHz
111001 = 39'h = 14.6 dB at 3 GHz
110101 = 35'h = 18.4 dB at 3 GHz
110111 = 37'h = 20 dB at 3 GHz
111011 = 3B'h = 21.2 dB at 3 GHz
111101 = 3D'h = 28.4 dB at 3 GHz
Set bit to 0.
SOA1 VOD Control
03'h = 600 mV (Default)
07'h = 800 mV
SOA1 VOD Control
VOD Level Control
Register [TYPE] [Level Control] = Hex Value
00000001 = 01'h
Set bits to 0.
De-assert = [3:2], assert = [1:0]
00 = 110 mV, 70 mV (Default)
01 = 150 mV, 110 mV
10 = 170 mV, 130 mV
11 = 190 mV, 150 mV
Set bits to 0.
0: Allow IDLE_sel control in Bit 4
1: Automatic IDLE detect
0: Output is ON (SD is disabled)
1: Output is muted (electrical idle)
Set bits to 0.
Set bit to 0.
SOB1 VOD Control
03'h = 600 mV (Default)
07'h = 800 mV
DOUT0 VOD Control
VOD Level Control
Register [TYPE] [Level Control] = Hex Value
00000001 = 01'h
Set bits to 0.
00 = -25.0%
01 = -12.5%
10 = +0.0% (Default)
11 = +12.5%
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