Avalue EPI-LX800 User Manual
Page 17
User’s Manual
EPI-LX800 Series User’s Manual
17
GeodeLink™ Memory Controller
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High bandwidth packetized uni-directional bus for internal peripherals
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Standardized protocol to allow variants of products to be developed by adding or
removing modules
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GeodeLink Control Processor (GLCP) for diagnostics and scan control
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Dual GeodeLink Interface Units (GLIUs) for device interconnect
GeodeLink™ Memory Controller
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Integrated memory controller for low latency to CPU and on-chip peripherals
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64-bit wide DDR SDRAM bus operating frequency:
200 MHz, 400 MT/S
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Supports unbuffered DDR DIMMS using up to 1 GB
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DRAM technology
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Supports up to 2 DIMMS (32 devices max)
2D Graphics Processor
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High performance 2D graphics controller
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Alpha BLT
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Microsoft® Windows® GDI GUI acceleration:
Hardware support for all Microsoft RDP codes
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Command buffer interface for asynchronous BLTs
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Second pattern channel support
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Hardware screen rotation
Display Controller
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Hardware frame buffer compression improves Unified
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Memory Architecture (UMA) memory efficiency
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CRT resolutions supported:
Supports up to 1920x1440x32 bpp at 85 Hz
Supports up to 1600x1200x32 bpp at 100 Hz
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Supports up to 1600x1200x32 bpp at 60 Hz for TFT
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Standard Definition (SD) resolution for Video Output Port (VOP):
720x482 at 59.94 Hz interlaced for NTSC
768x576 at 50 Hz interlaced for PAL
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High Definition (HD) resolution for Video Output Port (VOP):
Up to 1920x1080 at 30 Hz interlaced (1080i HD) (74.25 MHz)
Up to 1280x720 at 60 Hz progressive (720p HD) (74.25 MHz)
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Supports down to 7.652 MHz Dot Clock (320x240 QVGA)
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Hardware VGA
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Hardware supported 48x64 32-bit cursor with alpha blending