PI3DPX1202A datasheet(17/51 Pages) DIODES

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Diodes Incorporated

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February 2020

PI3DPX1202A

Document number: DS40115 Rev 3-3

PI3DPX1202A

Equalization/Swing/Pre-emphasis mode settings

Table 4-2: EQBAND and EQ[2:0] Setting

EQBAND, EQ[2:0]

BYTE0 bit4, bit[7:5]

Gain@1.6Gbps

Gain @2.7Gbps

Gain@5.4Gbps

0000 (Default)

-0.384

-0.9281

-2.0054

0001

-0.3443

-0.849

-1.8155

0010

-0.2832

-0.7256

-1.5318

0011

-0.1959

-0.5518

-1.1537

0100

-0.1217

-0.4054

-0.8518

0101

-0.0347

-0.2355

-0.5169

0110

-0.0841

-0.00704

-0.0866

0111

0.2295

0.2698

0.4153

1000

0.3045

0.5198

0.8871

1001

0.4452

0.7885

1.4147

1010

0.6993

1.2611

2.2531

1011

1.1651

2.0748

3.5315

1100

1.67

2.8963

4.6837

1101

2.4082

4.0103

6.1106

1110

3.7438

5.8413

8.2595

1111

6.0652

8.6898

11.3532

Table 4-3: EQ Setting

when Auto_EQ = 1 (Refer to Table 4-2)

Pre-emphasis

OP[1:0]

Byte0 bit[3:2]

Pre-emphasis

Auto EQ mode 0

EQ = 0

Byte1 bit[3:2] = 00

EQBAND, EQ[2:0]

Auto EQ mode 1

EQ = M

Byte1 bit[3:2] = 01

EQBAND, EQ[2:0]

Auto EQ mode 2

EQ = 1

Byte1 bit[3:2] = 11

EQBAND, EQ[2:0]

0 0

3.5dB

1010

1101

1111

0 1

6 dB

0111

1010

1101

1 0

9 dB

0011

0111

1011

1 1

0 dB

0000

0011

1001

Table 4-4: EQ Setting

when Auto_EQ = 0 (Refer to Table 4-2)

EQBAND, EQ[2:0]

1.62Gbps

2.7Gbps

5.4Gbps

0000

1100

1111

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