DS64MB201_13 datasheet(21/32 Pages) TI1

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DS64MB201

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SNLS307E – JANUARY 2011 – REVISED JULY 2013

Table 8. SMBus Register Map (continued)

0x40

SOB1

7:6

Reserved

R/W

0x00

Set bits to 0.

IDLE RATE Select

IDLE auto

0: Allow IDLE_sel control in Bit 4

1: Automatic IDLE detect

IDLE select

0: Output is ON (SD is disabled)

1: Output is muted (electrical idle)

3:2

Reserved

Set bits to 0.

RATE auto

0: Allow RATE_sel control in Bit 0

1: Automatic RATE detect

RATE select

0: 2.5 to 3.2 Gbps

1: 5.0 to 6.4 Gbps

0x42

SOB1

Reserved

R/W

0x03

Set bit to 0.

VOD Control

6:0

SOB1 VOD

SOB1 VOD Control

03'h = 600 mV (Default)

07'h = 800 mV

0F'h = 1000 mV

1F'h = 1200 mV

3F'h = Reserved

0x43

SOB1

7:0

SOB1 DEM

R/W

0x03

SOB1 DEM Control

DE Control

[7]: DEM TYPE (Compatibility = 0 / Enhanced = 1)

[6:0]: DEM Level Control

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

0x47

Global VOD Adjust

7:2

Reserved

R/W

0x02

Set bits to 0.

1:0

VOD Adjust

00 = -25.0%

01 = -12.5%

10 = +0.0% (Default)

11 = +12.5%

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