ADV8003 Hardware Manual
Rev. B, August 2013
229
freqtolerance[3:0]
, HDMI RX Map,
Address 0xE20D[3:0]
Sets the tolerance in MHz for new TMDS frequency detection. This tolerance is used for the audio mute mask mt_msk_vclk_chng and
the HDMI status bit new_tmds_frq_raw.
Function
freqtolerance[3:0]
Description
0100
Default tolerance in MHz for new TMDS frequency detection
xxxx
Tolerance in MHz for new TMDS frequency detection
5.3.
CLOCK AND DATA TERMINATION CONTROL
The ADV8003 provides the
control for TMDS clock and data termination on all Serial Video Rx input pins.
clock_terma_disable
, HDMI RX Map,
Address 0xE283[0]
This control is used to disable clock termination on port A. It can be used when term_auto is set to 0.
Function
clock_terma_disable
Description
0
Enable termination port A
1
Disable termination port A
5.4.
AV MUTE STATUS
is used to indicate the status of the avmute bit in the general control packet. As with the TMDS clock detection bits, this register
bit can be polled by the system software and the appropriate configuration done.
av_mute
, HDMI RX Map,
Address 0xE204[6] (Read Only)
This bit is a readback of the AVMUTE status received in the last General Control packet received.
Function
av_mute
Description
0
AVMUTE not set
1
AVMUTE set
5.5.
DEEP COLOR MODE SUPPORT
The ADV8003 supports HDMI streams with 24-bits per sample and deep color modes. The addition of a video FIFO (refer to Section
for more details) allows for the robust support of these modes.
The deep color mode information that the ADV8003 extracts from the general control packet can be read back from
. It is possible to override the deep color mode that the ADV8003 unpacks from the video data encapsulated in the
processed HDMI stream. This is achieved by configuring the
and
controls.
deep_color_mode[1:0]
, HDMI RX Map,
Address 0xE20B[7:6] (Read Only)
This is a readback of the deep color mode information extracted from the general control packet.
Summary of Contents for ADV8003
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