AD8191 Analog Devices, AD8191 Datasheet - Page 12

• Manufacturer Part Number: AD8191
• Description: 4:1 DVI/HDMI Switch with Equalization Preliminary Data Sheet (Rev. PrJ, 8/2006)
• Manufacturer: Analog Devices

AD8191
TRANSMITTER SETTINGS REGISTER
TX_PE[1:0]:
select bus (for all TMDS channels)
Table 21. TX_PE[1:0] Description
TX_PTO:
bit (for all channels)
TX_PE[1:0]
00b
01b
10b
11b
U
High-speed (TMDS) output termination on/off select
U
High-speed (TMDS) output pre-emphasis level
Description
No pre-emphasis (0dB)
Low pre-emphasis (2dB)
Medium pre-emphasis (4dB)
High pre-emphasis (6dB)
Rev. PrJ | Page 12 of 29
Table 22. TX_PTO Description
TX_OCL:
(for all channels)
Table 23. TX_OCL Description
TX_PTO
0b
1b
TX_OCL
0b
1b
U
High-speed (TMDS) output current level select bit
Description
Output current set to 10mA
Output current set to 20mA
Description
Output termination off
Output termination on
Preliminary Technical Data