Primary Mode And Video Standard; Primary Mode And Video Standard Controls - Analog Devices Advantiv ADV7619 Hardware User's Manual

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PRIMARY MODE AND VIDEO STANDARD

Setting the primary mode and choosing a video standard are the most fundamental settings when configuring the ADV7619. There
are two primary modes for the ADV7619: HDMI-component and HDMI-graphic modes. The appropriate mode should be set with
PRIM_MODE[3:0].
In HDMI modes, the ADV7619 can receive and decode HDMI or DVI data throughout the DVI/HDMI receiver front end. Video data
from the HDMI receiver is routed to the CP block while audio data is available on the audio interface. One of these modes is enabled by
selecting either the HDMI-component or the HDMI-graphics primary mode.
Note: The HDMI receiver decodes and processes any applied HDMI stream irrespective of the video resolution. However, many primary
mode and video standard combinations can be used to define how the decoded video data routed to the DPP and CP blocks is processed.
This allows for free run features and data decimation modes that some systems may require.
If free run and decimation are not required, it is recommended to set the following configuration for HDMI mode:
•
PRIM_MODE[3:0]: 0x06
•
VID_STD[5:0]: 0x02

PRIMARY MODE AND VIDEO STANDARD CONTROLS

PRIM_MODE[3:0], IO, Address 0x01[3:0]
A control to select the primary mode of operation of the decoder. Setting the appropriate HDMI mode is important for free run mode to
work properly. This control is used with VID_STD[5:0].
Function
PRIM_MODE[3:0]
0000
0001
0010
0011
0100
0101
0110 (default)
0111 to 1111
VID_STD[5:0], IO, Address 0x00[5:0]
Sets the input video standard mode. Configuration is dependent on PRIM_MODE[3:0]. Setting the appropriate mode is important for
free run mode to work properly.
Function
VID_STD[5:0]
000010
PRIM_MODE[3:0] should be used with VID_STD[5:0] to select the required video mode. These controls are set according to Table 6.
Table 6. Primary Mode and Video Standard Selection
PRIM_MODE[3:0]
Code Description
0000 Reserved
0001 Reserved
0010 Reserved
0100 Reserved
0011 Reserved
Processor Code
xxxxxx
xxxxxx
xxxxxx
xxxxxx
xxxxxx
Rev. A | Page 22 of 204
Description
Reserved
Reserved
Reserved
Reserved
Reserved
HDMI component
HDMI graphics
Reserved
Description
Default value
VID_STD[5:0]
Input Video Output Resolution
Reserved Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved
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