SNLU325 October   2023 DP83867CR , DP83867CS , DP83867E , DP83867IR , DP83867IS

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Access Methods
    1. 1.1 Register Programming Through SMBus
    2. 1.2 Device Configuration Through External EEPROM
  5. 2Register Mapping
    1. 2.1 Share Registers
    2. 2.2 Channel Registers
  6. 3Equalization Control Settings
  7. 4CTLE Index and Flat Gain Selection Matrix
  8. 5Programming Examples
  9. 6References
  10. 7Revision History

CTLE Index and Flat Gain Selection Matrix

Table 4-1 CTLE Index/Flat Gain Setting Matrix
CTLE Index Flat Gain Reg. Range Offset 0x01 Reg. Range Offset 0x03
0 -6 dB 0x80 0x00
0 -4 dB 0x80 0x01
0 -2 dB 0x80 0x03
0 0 dB (Default) 0x80 0x05
0 2 dB 0x80 0x07
1 -6 dB 0x88 0x00
1 -4 dB 0x88 0x01
1 -2 dB 0x88 0x03
1 0 dB (Default) 0x88 0x05
1 2 dB 0x88 0x07
2 -6 dB 0x98 0x00
2 -4 dB 0x98 0x01
2 -2 dB 0x98 0x03
2 0 dB (Default) 0x98 0x05
2 2 dB 0x98 0x07
Default -6 dB 0x00 0x00
Default -4 dB 0x00 0x01
Default -2 dB 0x00 0x03
Default 0 dB (Default) 0x00 0x05
Default 2 dB 0x00 0x07
5 -6 dB 0x00 0x08
5 -4 dB 0x00 0x09
5 -2 dB 0x00 0x0B
5 0 dB (Default) 0x00 0x0D
5 2 dB 0x00 0x0F
6 -6 dB 0x08 0x08
6 -4 dB 0x08 0x09
6 -2 dB 0x08 0x0B
6 0 dB (Default) 0x08 0x0D
6 2 dB 0x08 0x0F
7 -6 dB 0x10 0x08
7 -4 dB 0x10 0x09
7 -2 dB 0x10 0x0B
7 0 dB (Default) 0x10 0x0D
7 2 dB 0x10 0x0F
8 -6 dB 0x18 0x18
8 -4 dB 0x18 0x19
8 -2 dB 0x18 0x1B
8 0 dB (Default) 0x18 0x1D
8 2 dB 0x18 0x1F
9 -6 dB 0x20 0x18
9 -4 dB 0x20 0x19
9 -2 dB 0x20 0x1B
9 0 dB (Default) 0x20 0x1D
9 2 dB 0x20 0x1F
10 -6 dB 0x29 0x38
10 -4 dB 0x29 0x39
10 -2 dB 0x29 0x3B
10 0 dB (Default) 0x29 0x3D
10 2 dB 0x29 0x3F
11 -6 dB 0x31 0x38
11 -4 dB 0x31 0x39
11 -2 dB 0x31 0x3B
11 0 dB (Default) 0x31 0x3D
11 2 dB 0x31 0x3F
12 -6 dB 0x41 0x38
12 -4 dB 0x41 0x39
12 -2 dB 0x41 0x3B
12 0 dB (Default) 0x41 0x3D
12 2 dB 0x41 0x3F
13 -6 dB 0x51 0x38
13 -4 dB 0x51 0x39
13 -2 dB 0x51 0x3B
13 0 dB (Default) 0x51 0x3D
13 2 dB 0x51 0x3F
14 -6 dB 0x52 0x78
14 -4 dB 0x52 0x79
14 -2 dB 0x52 0x7B
14 0 dB (Default) 0x52 0x7D
14 2 dB 0x52 0x7F
15 -6 dB 0x5B 0x78
15 -4 dB 0x5B 0x79
15 -2 dB 0x5B 0x7B
15 0 dB (Default) 0x5B 0x7D
15 2 dB 0x5B 0x7F
16 -6 dB 0x64 0x78
16 -4 dB 0x64 0x79
16 -2 dB 0x64 0x7B
16 0 dB (Default) 0x64 0x7D
16 2 dB 0x64 0x7F
17 -6 dB 0x6D 0x78
17 -4 dB 0x6D 0x79
17 -2 dB 0x6D 0x7B
17 0 dB (Default) 0x6D 0x7D
17 2 dB 0x6D 0x7F
18 -6 dB 0x76 0x78
18 -4 dB 0x76 0x79
18 -2 dB 0x76 0x7B
18 0 dB (Default) 0x76 0x7D
18 2 dB 0x76 0x7F
19 -6 dB 0x7F 0x78
19 -4 dB 0x7F 0x79
19 -2 dB 0x7F 0x7B
19 0 dB (Default) 0x7F 0x7D
19 2 dB 0x7F 0x7F