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NVP6124

Data sheet

02.11.2015 (REV 0.2)

25/125

4-CH AHD2.0 RX and 9-CH Audio Codec

2.11. Video Frame Control

The NVP6124 supports that a frame control of video output. So it is function that the decoder

’s

output masking by the EAV/SAV make to blank region. If set to FRM_NRT_ON is High, so output

finally which set by FRM_NRT_SEQ[29:0] that each a bit of FRM_NRT_SEQ[29:0] match to

each a frame. And the FRM_NRT_SEQ rotates continuous then to end from

FRM_NRT_SEQ[0] to FRM_NRT_SEQ[29]. If the FRAME_NRT_SEQ bit set to Low, a apply

frame has blank region. So, It received back-end device nothing to do because is not active

region.

SAV

FRM#1

SAV

FRM#2

FRM#3

FRM#4

FRM#1

BLANK

FRM#3

BLANK

SAV

FRAME_NRT_SEQ

[0] = HIGH

[1] = HIGH

[2] = HIGH

[3] = HIGH

[29:4]

FRAME_NRT_SEQ

[0] = HIGH

[1] = LOW

[2] = HIGH

[3] = LOW

[29:4]

Figure 2.17. Method for Control Video Frame

2.12. Motion Detector

NVP6124 supports 4-Channels motion detection function. It supports the output of the detected

motion information on the screen. The function allows a screen such as the one shown in Figure

2.18. to be divided in 192 sections each of which can generate information on the motion

detection information.

For each section, motion detection can be controlled to be set at on/off. Once a motion is

detected, the screen can be rendered dark or reversed in the unit of field to have the spot of the

motion generated to be indicated in the screen.

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