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ADV8003 Hardware Manual
Rev. B, August 2013
230
Function
deep_color_mode[1:0]
Description
00
8-bits per channel
01
10-bits per channel
10
12-bits per channel
11
16-bits per channel (not supported)
override_deep_color_mode
, HDMI RX Map,
Address 0xE240[6]
This bit is used to override the deep color mode
Function
override_deep_color_m
ode
Description
0
HDMI section unpacks video data according to deep color information extracted from the
General Control packets (normal operation)
1
Override deep color mode extracted from General Control Packet. HDMI section unpacks
video data according to the deep color mode set in DEEP_COLOR_MODE_USER[1:0]
deep_color_mode_user[1:0]
, HDMI RX Map,
Address 0xE240[5:4]
This signal is used to manually set the deep color mode. The value set in this register is effective when
OVERRIDE_DEEP_COLOR_MODE is set to 1.
Function
deep_color_mode_user
[1:0]
Description
00
8 bits per channel
01
10 bits per channel
10
12 bits per channel
11
16 bits per channel (not supported)
Notes:
•
Deep color mode can be monitored via the deepcolor_mode_chng edge sensitive interrupt in the IO Map, which indicates if the
color depth of the processed stream has changed.
•
The ADV8003 can be configured to trigger an interrupt when the deepcolor_mode_chng edge sensitive interrupt in the IO Map
changes from 0 to 1.
5.6.
VIDEO FIFO
The ADV8003 contains a FIFO located after the TMDS decoding block (refer to
). Data arriving into the Serial Video Rx will be
at 1X rate for non deep color modes (8-bits per channel), and 1.25X, 1.5X, or 2X for deep color modes (30, 36 and 48 bits respectively).
Data unpacking and data rate reduction must be performed on the incoming data to provide the ADV8003 digital core with the correct
data rate and data bit width. The video FIFO is used to pass data safely across the clock domains.
Содержание ADV8003
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