DS64MB201 Datasheet, PDF (21/28 Pages) Texas Instruments – DS64MB201 Dual Lane 2:1/1:2 Mux/Buffer with Equalization and De-Emphasis

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SOB1
7:6
IDLE RATE Select ₅
Reserved
IDLE auto
4
IDLE select
3:2 Reserved
1
RATE auto
0
RATE select
SOB1
VOD Control
7
Reserved
6:0 SOB1 VOD
SOB1
DE Control
7:0 SOB1 DEM
Global VOD Adjust 7:2
1:0
Reserved
VOD Adjust
R/W 0x00
R/W 0x03
R/W 0x03
R/W 0x02
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.
0: Allow RATE_sel control in Bit 0
1: Automatic RATE detect
0: 2.5 to 3.2 Gbps
1: 5.0 to 6.4 Gbps
Set bit to 0.
SOB1 VOD Control
03'h = 600 mV (Default)
07'h = 800 mV
0F'h = 1000 mV
1F'h = 1200 mV
3F'h = Reserved
SOB1 DEM Control
[7]: DEM TYPE (Compatibility = 0 / Enhanced = 1)
[6:0]: DEM Level Control
Register [TYPE] [Level Control] = Hex Value
00000001 = 01'h = 0.0 dB
00111000 = E8'h = −3.5 dB
10001000 = 88'h = −6.0 dB
10010000 = 90'h = −9.0 dB
10100000 = A0'h = −12.0 dB
Set bits to 0.
00 = -25.0%
01 = -12.5%
10 = +0.0% (Default)
11 = +12.5%
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