NEC startWARE-GHS-Ravin-E, Руководство пользователя

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15 User’s Manual U17316EE1V0UM00
Chapter 2 Board Features
As the name implies, the startWARE-GHS-Ravin-E board employs the Ravin-E display controller
(µPD72255) as its centrepiece. Also implemented is an SAA7113H or SAF7113H video processor,
which is used to digitize a PAL or NTSC standard video signal and optionally overlay it on the graphics.
An analogue display can be connected via a standard 15-pin high density DSUB connector, while a dig-
ital display connects through a 30-pin row connector.
The startWARE-GHS-Ravin-E board has been designed as an add-on board for the
startWARE-GHS-V
R
4131 or startWARE-GHS-V
R
4133 boards. It connects to these boards through a
96-pin male DIN connector CN1, which also carries the 5 V DC power supply.
2.1 Summary of Features
• Ravin-E (µPD72255) graphics display controller
• 64 MB on board SDRAM frame buffer
• Enhanced SAA7113 video processor for video capture
• Analogue (0.7 V
PP
) and digital (3.3 V or 5 V) video outputs
• All Ravin-E signals available on standard logic analyzer connectors
• Single 5 V power supply (provided from main board)
• JTAG boundary scan implemented