MediaCard AV Extreme - Videocard / Videograbber

Introduction

MediaCard AV "Extreme" is a Audio/Video board, based on a Xilinx Spartan 3 FPGA, the board is designed for
multiple purposes, its basically a platform for Audio/Video projects.

The board generates a PAL Composite and VGA signal, the generated PAL signal has a resolution off 720x576 pixels,
VGA signal supports 640x480, 800x600 and 1024x768 pixels, both the PAL and VGA has a colour depth of 16 bit.
The board includes two graphic layers one for picture and one for OSD infomations, both layers can be shown
individual or blended together, with these two layers your can change OSD without changing the background image.

Futhermore the board has an onboard Video Decoder, which makes it possible to connect a PAL / NTSC cammera,
DVD player or others composite sources.

It is possible to convert video (PAL) motion to VGA or to PAL video again, and also put some OSD infomation on top of it,
and it is also possible to grab single frames at full resolution or motion video. Motion video is only availble at low
frames pr. min at high resolution, or high frames pr. min at low resolution due to limits on the CPU data interface,
as there is now compresion on the image data.

The address / databus is routed to an onboard connector, so that you can attach allmost any CPU board, which uses
the same bus structure as ARM7/ARM9.


Features:
- CPU Board: EzRegaNUT LPC2214, EzRegaNUT AT91RM9200.
- Timing generation for PAL/VGA handled in onboard FPGA.
- PAL composite (ITU 601/656) / VGA output / LVDS output.
- Resolution PAL: 720x576 @ 16bit color depth, VGA: 640x480, 800x600 and 1024x768 @ 16bit color depth.
- 2 x 2MB SRAM (Video buffer).
- Video decoder (ADV7184) with 1 x Cynch connector, and 8 extra channels on extension connector.
- LVDS encoder, makes it possible to connect a TFT panel.
- MP3 encoder (MAS3587) with 2 x Line in connector.
- MP3 decoder (STA013) with 2 x Line out connector.
- PS/2 keyboard / mouse connector.
- IR receiver (Supports: Sony SIRCS 40KHz, 12/15 and 20 bit protocol).
- Interconnection connector (Addr-/Databus, RS485, SPI, I2C).
- PCB size: 100x160 mm.


Block Diagram


Hardware