ADV8003 Hardware Manual
Rev. B, August 2013
154
3.2.1.7.
Low Latency Mode
Game mode has a very small frame latency but some processing functions cannot be supported in this mode. ADV8003 provides another
mode, low latency mode, which can support frame rate change, scaling, crop and album mode.
To enable low latency mode,
Frame latency in low latency mode is listed in
, which shows the maximum frame latency is 1.4 x frame.
Table 25: Frame Latency in Low Latency Mode
Output
Input
Frame Rate 50 Hz
59.94/60 Hz
23.97/24 Hz 25/30 Hz
Frame rate
Timing
576p/720p/1080
p
480p/720p/1080p 720p/1080p
/4kx2k
720p/1080p
/4kx2k
50 Hz
576i
1080i
0.3~1.3
0.3~1.3
0.3~1.4
0.3~1.4
576p
720p
1080p
0.3~1.3
0.3~1.3
0.3~1.4
0.3~1.4
59.94/60 Hz
480i
1080i
0.3~1.3
0.3~1.3
0.3~1.4
0.3~1.4
480p
720p
1080p
0.3~1.3
0.3~1.3
0.3~1.4
0.3~1.4
23.97/24/25/30
Hz
720/1080p 0.3~0.8
0.3~0.8
0.3~1.3
0.3~1.3
The following functions are not supported In low latency mode:
•
Motion adaptive de-interlacing (autodisabled)
•
Cadence detection (autodisabled)
•
Random noise reduction (autodisabled)
•
CUE correction (autodisabled)
pvsp_frc_low_latency_mode
, Primary VSP Map,
Address 0xE84D[2]
This bit is used to enable low latency mode.
Function
pvsp_frc_low_latency_
mode
Description
0
Disable low latency mode
1
Enable low latency mode
Summary of Contents for ADV8003
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