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ADD
(dec)
ADD
(hex)
Register
Name
Bit(s)
Register
Type
Default
(hex)
Function
Description
4
0x04
Mode Select
7
RW
0x80
Failsafe
State
Input Failsafe State
0: Failsafe to High
1: Failsafe to Low (default)
6
Reserved
5
RW
CRC Error
Reset
Clear back channel CRC Error Counters
This bit is NOT self-clearing
0: Normal Operation (default)
1: Clear Counters
4
Reserved
3
RW
BKWD
ModeOver
ride
Backward Compatible mode set by BKWD pin or
register
0: BC mode is set by BKWD pin (default)
1: BC mode is set by register bit
2
RW
BKWD
Backward compatibility mode, device to pair with
DS90UR906Q, DS90UR908Q, or DS90UR916Q
0: Normal HDCP device (default)
1: Compatible with 906/908/916
1
RW
LFMODE
Override
Frequency mode set by LFMODE pin or register
0: Frequency mode is set by LFMODE pin
(default)
1: Frequency mode is set by register bit
0
RW
LFMODE
Frequency mode select
0: High frequency mode (15MHz
≤
RxCLKIN
≤
85MHz) (default)
1: Low frequency mode (5MHz
≤
RxCLKIN < 15
MHz)
DS90UH927Q
32
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