m21353 Mindspeed Technologies, m21353 Datasheet - Page 20

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

Register Address: 1Ah, 1Bh, 1Ch
Register Name: Input configuration A
Description: Configures buffers for high-speed inputs. In group switch mode, only address 1Ch is used.
21353-DSH-001-B
Bit
7:6
5:4
3:2
1:0
00: Input 11 (address 1Ah), input 7 (address 1Bh), input 3 (address 1Ch) powered down with high impedance (>100 kΩ
single ended, 100Ω differential) termination
01: Input 11 (address 1Ah), input 7 (address 1Bh), input 3 (address 1Ch) powered down with source 50Ω single-ended
(100Ω differential) termination
10: Input 11 (address 1Ah), input 7 (address 1Bh), input 3 (address 1Ch) powered on with high impedance (>100 kΩ
single ended, 100Ω differential) termination
11: Input 11 (address 1Ah), input 7 (address 1Bh), input 3 (address 1Ch) powered on with source 50Ω single-ended
(100Ω differential) termination
00: Input 10 (address 1Ah), input 6 (address 1Bh), input 2 (address 1Ch) powered down with high impedance (>100 kΩ
single ended, 100Ω differential) termination
01: Input 10 (address 1Ah), input 6 (address 1Bh), input 2 (address 1Ch) powered down with source 50Ω single-ended
(100Ω differential) termination
10: Input 10 (address 1Ah), input 6 (address 1Bh), input 2 (address 1Ch) powered on with high impedance (>100 kΩ
single ended, 100Ω differential) termination
11: Input 10 (address 1Ah), input 6 (address 1Bh), input 2 (address 1Ch) powered on with source 50Ω single-ended
(100Ω differential) termination
00: Input 9 (address 1Ah), input 5 (address 1Bh), input 1 (address 1Ch) powered down with high impedance (>100 kΩ
single ended, 100Ω differential) termination
01: Input 9 (address 1Ah), input 5 (address 1Bh), input 1 (address 1Ch) powered down with source 50Ω single-ended
(100Ω differential) termination
10: Input 9 (address 1Ah), input 5 (address 1Bh), input 1 (address 1Ch) powered on with high impedance (>100 kΩ single
ended, 100Ω differential) termination
11: Input 9 (address 1Ah), input 5 (address 1Bh), input 1 (address 1Ch) powered on with source 50Ω single-ended (100Ω
differential) termination
00: Input 8 (address 1Ah), input 4 (address 1Bh), input 0 (address 1Ch) powered down with high impedance (>100 kΩ
single ended, 100Ω differential) termination
01: Input 8 (address 1Ah), input 4 (address 1Bh), input 0 (address 1Ch) powered down with source 50Ω single-ended
(100Ω differential) termination
10: Input 8 (address 1Ah), input 4 (address 1Bh), input 0 (address 1Ch) powered on with high impedance (>100 kΩ single
ended, 100Ω differential) termination
11: Input 8 (address 1Ah), input 4 (address 1Bh), input 0 (address 1Ch) powered on with source 50Ω single-ended (100Ω
differential) termination
Mindspeed Technologies
Bit Description
Control Registers Map and Descriptions
®
Default
11
11
11
11
R/W
R/W
R/W
R/W
R/W
20