m21353 Mindspeed Technologies, m21353 Datasheet - Page 21

• Manufacturer Part Number: m21353
• Description: 4.25 Gbps Twelve-channel Backplane Equalizer And Driver With 12x12 Crosspoint Switch
• Manufacturer: Mindspeed Technologies

Register Address: 1Dh, 1Eh, 1Fh, 20h, 21h, 22h, 23h, 24h, 25h, 26h, 27h, 28h
Register Name: Input Equalization
Description: Sets the equalization for input 11 (address 1Dh), input 10 (address 1Eh), input 9 (address 1Fh), input 8 (address 20h), input 7 (address
21h), input 6 (address 22h), input 5 (address 23h), input 4(address 24h), input 3 (address 25h), input 2/Group 2 (address 26h), input 1/Group 1
(address 27h), input 0/Group 0 (address 28h). In group mode, only addresses 26h, 27h, and 28h are used.
Register Address: 35h, 36h, 37h, 38h, 39h, 3Ah, 3Bh, 3Ch, 3Dh, 3Eh, 3Fh, 40h
Register Name: Input configuration B
Description: Configures the LOS, squelch, and EBI functionality for input 11 (address 35h), input 10 (address 36h), input 9 (address 37h), input 8
(address 38h), input 7 (address 39h), input 6 (address 3Ah), input 5 (address 3Bh), input 4 (address 3Ch), input 3 (address 3Dh), input 2/group
(address 3Eh), input 1/group (address 3Fh), input 0/group (address 40h). In group switch mode, only addresses 3Eh, 3Fh, and 40h are used.
Register Address: 41h, 42h, 43h, 44h, 45h, 46h, 47h, 48h, 49h, 4Ah, 4Bh, 4Ch
Register Name: Output configuration
Description: Configures the output swing and de-emphasis for output 11 (address 41h), output 10 (address 42h), output 9 (address 43h), output 8
21353-DSH-001-B
Bit
7:0
Bit
7:6
4:3
5
2
1
0
00h: Equalization level 1—Minimum Equalization
20h: Equalization level 2
11h: Equalization level 3
21h: Equalization level 4
31h: Equalization level 5
A1h: Equalization level 6
29h: Equalization level 7
33h: Equalization level 8
37h: Equalization level 9
45h: Equalization level 10
59h: Equalization level 11
5Eh: Equalization level 12
6Eh: Equalization level 13
7Fh: Equalization level 14
FAh: Equalization level 15
FFh: Equalization level 16—Maximum Equalization
Reserved, set to 11b
0: LOS Enabled
1: LOS Disabled
Reserved, set to 00b
0: Normal operation
1: Force squelch on input channel
Reserved, set to 0b
0: Disable EBI pass through mode
1: Enable EBI pass through mode
Mindspeed Technologies
Bit Description
Bit Description
Control Registers Map and Descriptions
®
Default
Default
37h
11b
00b
0b
0b
0b
0b
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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