AD9887A Analog Devices, Inc., AD9887A Datasheet - Page 44

• Manufacturer Part Number: AD9887A
• Description: Dual Interface For Flat Panel Displays
• Manufacturer: Analog Devices, Inc.

AD9887A
0x20 4
Table 57. MDA/MCL Three-State
Select
1
0
0x20 3
Table 58. External Oscillator Select
Select
1
0
0x20 2
Table 59. View HDCP Mask
Select
1
0
This bit allows the MDA/MCL lines to be three-stated
so that the HDCP key EEPROM can be programmed
in-circuit.
The default setting is 0.
This bit allows use of either the internal oscillator or an
external one supplied on the A0 pin.
The default setting is 0.
This bit allows the HDCP mask to be output on the RGB
channels.
MDA/MCL Three-State
External Oscillator
View HDCP Mask
MDA/MCL Output
Normal operation
MDA/MCL set to three-state
Oscillator
Use internal oscillator
Use external oscillator on A0 pin
Output Mode
HDCP mask output to RGB channel
Normal operation
Rev. B | Page 44 of 52
0x21 7:0
0x22 7:0
0x23 7:0
0x24 7:0
0x25 7:0
0x26 7:0
0x27 7:0
Set to 0x00 for autogain mode and 0x64 for manual-
gain mode.
Must be set to 0x00 for proper operation.
Must be set to 0x2A for proper operation.
Must be set to 0x00 for proper operation.
Must be set to 0xF0 for proper operation.
Must be set to 0xFF for proper operation.
Must be set to 0x0F for proper operation.
Test Register
Test Register
Test Register
Test Register
Test Register
Test Register
Test Register