User Guide — EP9134_UG V0.7
Explore Confidential Proprietary
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22
3.3.1.6 Control Register 3
Table 3-7 Control Register 3
$0A
bit
7
6
5
4
3
2
1
0
R
DK[3:1]
DKEN
-
-
-
-
W
Reset:
1
0
0
0
-
-
-
-
DK[3:1] — De-skewing Setting Control Bits
The DK[3:1] setting the clock to data trimming for the timing de-skew among the internal receiver to
internal transmitter interface. Eight steps can be selected and the time difference for each step is 200ps.
The default is 0 step.
000 = -4 step
001 = -3 step
010 = -2 step
011 = -1 step
100 = 0 step
101 = +1 step
110 = +2 step
111 = +3 step
DKEN — De-Skew (Clock to Data De-skewing) Enable Bit
1 = De-Skew Enabled
0 = De-Skew Disabled, 0 step is selected
3.3.1.7 Control Register 4
Table 3-8 Control Register 4
$0E
bit
7
6
5
4
3
2
1
0
R
-
-
-
-
-
-
TX_EESS
TX_HDMI
W
Reset:
-
-
-
-
-
-
0
1
TX_EESS — Enable Enhanced Encryption Signalling for the selected transmitter port
1 = Using Enhanced Encryption Signalling for the selected transmitter port.
0 = Using Original Encryption Signalling for the selected transmitter port. This is only valid if the
selected transmitter is working in DVI mode (TX_HDMI = 0).
TX_HDMI — Set HDMI mode for the selected transmitter port
1 = Put the selected transmitter port working in HDMI mode. This is valid only if the receiver is
receiving HDMI signal.
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