4CH Quad Processor

AverLogic QUAD Video Processor
Part Number: AL700
VCR
Part Number: AL240
AL700
AL700
Quad
Processor
AL240
Video
VCR
Decoder
4-Input/2 Built-in
Encoder for Video Output
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Accepts 4 ITU-656/601 8-bit video inputs
Provides 2 (VCR and Monitor) analog video
output (S-video/Composite ) and 8-bit digital
port for VCR/ 8/16-bit digital port for Monitor
Switches channels without screen rolling
4 Analog Video Input/
8-bit YCbCr 4:2:2 Output
AL240
AL240
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AL240
TV Monitor
Cameras
Application Diagram
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Displays on monitor output with Quad or full
picture arbitrary channel of 1, 2, 3 or 4
Supports programmable picture location and
overlay, PIP functions
Provides 2x Zoom function in vertical and
horizontal direction with interpolation
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Provides two embedded OSD (On Screen Display)
with alpha blending fading effect capable
Supports Bitmap Image overlay and non-fixed
font display
Freezes individual channel, supports video loss
Motion detection with sensitivity adjustable
Parallel &
Serial bus
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Memory image data access output from
proprietary parallel bus
Supports 2-wire serial and proprietary parallel
host interface programming
Ordering Information
Part No.
Package
AL700C-PBF
208-PQFP
Power
+3.3V
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Decodes NTSC/PAL/SECAM Composite or SVideo input
Four analog inputs, standard ITU656 YCbCr
4:2:2 format (8bit) digital output
Supports digital automatic gain control
(AGC)
Supports all variation of the NTSC and PAL
standard – (I,B,G,H,D,N,M & combination N)
Hardwire pins control of channel switching
Decoding & Timing
Control
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Hardware Video Loss/
Motion Detection/OSD
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QUAD Splitting/ PIP/
2x2 zoom
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Adaptive Comb Video Decoder
www.averlogic.com
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Adaptive comb filter for NTSC&PAL Y/C
separation
Line-locked system clock frequencies
Decodes weak and noisy off-air signals
Superior frequency response preserves fine
details
Auto detect and locks VCR trick modes
Brightness & Color Control/
Filtering
AL700/AL240 Reference Design Board
• Accepts 4 channels NTSC/PAL/SECAM input and
VCR/Monitor output with BNC or CVBS aperture
• Simultaneously drives Quad picture output and full
screen picture of one of the channel (or Quad) for
the other output
• Full screen, quad window and timed channels
rotating display at Monitor output
• Video loss and Motion detection with alarm buzzer
• OSD system setup via push button control panel
• Real time clock support
• Selectable PIP picture location
• Switches channels without rolling
• Freezes individual channel
• 2X Zoom function for playback video
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Brightness/ Contrast/ Saturation (BSC) and
Hue control
VBI & Serial Bus
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Multi-standard VBI decode support
2-wire serial bus programming; up to 4
serial bus sub-addresses selectable
Ordering Information
Part No.
AL240C-QF-PBF
Package
44-QFP
Power
+1.8/3.3V