DS64MB201_13 Datasheet, PDF(16/32 Page) Texas Instruments – Dual Lane 2:1/1:2 Mux/Buffer with Equalization and De-Emphasis

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DS64MB201_13 Datasheet, PDF (16/32 Pages) Texas Instruments – Dual Lane 2:1/1:2 Mux/Buffer with Equalization and De-Emphasis

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DS64MB201

SNLS307E â JANUARY 2011 â REVISED JULY 2013

www.ti.com

0x02

0x03

0x08

0x0F

0x12

0x15

PWDN Control

SEL / FANOUT

Control

Pin Control Override

SIA0

EQ Control

SIA0

IDLE Threshold

DOUT0

IDLE RATE Select

Table 8. SMBus Register Map (continued)

7:1 Reserved

R/W 0x00

PWDN Control

7:3 Reserved

SEL1

R/W 0x00

SEL0

FANOUT

7:5 Reserved

R/W 0x00

Override IDLE

Reserved

Override RATE

Override SEL

Override

FANOUT

7:6 Reserved

5:0 SIA0 EQ

R/W 0x20

7:4 Reserved

R/W 0x00

3:0 IDLE threshold

7:6 Reserved

IDLE auto

IDLE select

3:2 Reserved

RATE auto

RATE select

R/W 0x00

Set bits to 0.

0: Normal operation

1: Enable PWDN control in Register 0x01

Set bits to 0.

0: Selects SIB1 input and SOB1 output

1: Selects SIA1 input and SOA1 output

0: Selects SIB0 input and SOB0 output

1: Selects SIA0 input and SOA0 output

0: Enable only A or B output depends on SEL1 and

SEL0 (SeeTable 6)

1: Enable both SOAn and SOBn output

Set bits to 0.

0: Allow IDLE pin control

1: Block IDLE pin control

Set bit to 0.

0: Allow RATE pin control

1: Block RATE pin control

0: Allow SEL pin control

1: Block SEL pin control

0: Allow FANOUT pin control

1: Block FANOUT pin control

Set bits to 0.

SIA0 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

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 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.

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

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