Color Space Information Sent To The Dpp And Cp Sections; Status Registers - Analog Devices Advantiv ADV7619 Hardware User's Manual

UG-237
DPP_BYPASS_EN , Addr 44 (CP), Address 0xBD[4]
Manual control to enable DPP block.
Function
DPP_BYPASS_EN
1 (default)
0

COLOR SPACE INFORMATION SENT TO THE DPP AND CP SECTIONS

The HDMI section sends information regarding the color space of the video it outputs to the DPP and the CP sections. This color space
information is derived from the DVI/HDMI status of the input stream the HDMI stection processes and from the AVI InfoFrame that the
HDMI section decodes from the input stream.
The color space information sent by the HDMI section to the DDP and CP sections can be read via the HDMI_COLORSPACE[3:0] .
HDMI_COLORSPACE[3:0], Addr 68 (HDMI), Address 0x53[3:0] (Read Only)
A readback of the HDMI input color space decoded from several fields in the AVI InfoFrame.
Function
HDMI_COLORSPACE[3:0]
0000 (default)
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010

STATUS REGISTERS

Many status bit are available throughout the IO and HDMI maps. These status bits are listed in Table 30 to Table 39.
Table 30. HDMI Flags in IO Map Register 0x60
Bit Name Bit Position
AVI_INFO_RAW 0 (LSB)
AUDIO_INFO_RAW 1
SPD_INFO_RAW 2
MS_INFO_RAW 3
VS_INFO_RAW 4
ACP_PCKT_RAW 5
ISRC1_PCKT_RAW 6
ISRC2_PCKT_RAW 7 (MSB)
Description
DPP bypassed
DPP enabled
Description
RGB_LIMITED
RGB_FULL
YUV_601
YUV_709
XVYCC_601
XVYCC_709
YUV_601_FULL
YUV_709_FULL
sYCC 601
Adobe YCC 601
Adobe RGB
Description
Returns 1 if an AVI InfoFrame was received within last seven VSync. For additional information,
see the Interrupt Architecture Overview section.
Returns 1 if an AVI InfoFrame was received within last three VSyncs. For additional information,
see the Audio InfoFrame Registers section.
Returns 1 if a Source Product Descriptor InfoFrame has been received. For additional information,
see the SPD InfoFrame Registers section.
Returns 1 if a MPEG InfoFrame was received within the last three VSyncs. For additional
information, see the MPEG Source InfoFrame Registers section.
Returns 1 if a Vendor Specific InfoFrame has been received. For additional information, see the
Vendor Specific InfoFrame Registers section.
Returns 1 if an ACP packet was received within last 600 ms. For additional information, see the
ACP Packet Registers section.
Returns 1 if an ISRC1 packet was received. For additional information, see the ISRC Packet
Registers section.
Returns 1 if an ISRC2 packet was received. For additional information, see the ISRC Packet
Registers section.
Rev. A | Page 102 of 204
Hardware User Guide