Analog Devices Advantiv ADV7619 Hardware User's Manual page 48

UG-237
Function
HDMI_PIXEL_REPETITION[3:0]
0101
0110
0111
1000
1001
1010 to 1111
DEREP_N_OVERRIDE , Addr 68 (HDMI), Address 0x41[4]
This control allows the user to override the pixel repetition factor. The ADV7619 then uses DEREP_N instead of
HDMI_PIXEL_REPETITION[3:0] to discard video pixel data from the incoming HDMI stream.
Function
DEREP_N_OVERRIDE
0 (default)
1
DEREP_N[3:0] , Addr 68 (HDMI), Address 0x41[3:0]
Sets the derepetition value if derepetition is overridden by setting DEREP_N_OVERRIDE.
Function
DEREP_N[3:0]
0000 (default)
xxxx
BG_PIX_REP[3:0] , Addr 68 (HDMI), Address 0xEA[7:4] (Read Only)
Background port pixel repetition status for the background HDMI port determined by BG_MEAS_PORT_SEL[2:0] . The readback
provides the pixel repetition value in AVI Infoframe and is updated when an update request is made via the BG_MEAS_REQ control
bit. This measurement is only valid when BG_PARAM_LOCK is set to 1.
Function
BG_PIX_REP[3:0]
0000 
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010 - 1111
Following registers allow forcing YCrCb 444 and YCrCb 422 regardless of the AVI Infoframe. This feature is useful when source switches
between YCrCb 444 and YCrCb 422 modes without sending appropriate update in AVI Infoframe.
FORCE_YCRCB_444 , Addr 68 (HDMI), Address 0x46[4]
Forces a 4:4:4 interpretation of the video contents, regardless of the description in the AVI infoframe. This bit carries higher priority than
FORCE_YCRCB_422.
Function
FORCE_YCRCB_444
0 (default)
1
Description
6×
7×
8×
9×
10×
Reserved
Description
Automatic detection and processing of procession of pixel repeated modes using the AVI InfoFrame
information.
Enables manual setting of the pixel repetition factor as per DEREP_N[3:0].
Description
DEREP_N+1 indicates the pixel and clock discard factor
DEREP_N+1 indicates the pixel and clock discard factor
Description
1x
2x
3x
4x
5x
6x
7x
8x
9x
10x
Reserved
Description
Not forced
Forced
Rev. A | Page 48 of 204
Hardware User Guide