User`s manual
AIMB-220
16 AIMB-220 User’s Manual
GeodeLink™ Memory Controller
• High bandwidth packetized uni-directional bus for internal peripherals
• Standardized protocol to allow variants of products to be developed by adding or
removing modules
• GeodeLink Control Processor (GLCP) for diagnostics and scan control
• Dual GeodeLink Interface Units (GLIUs) for device interconnect
GeodeLink™ Memory Controller
• Integrated memory controller for low latency to CPU and on-chip peripherals
• 64-bit wide DDR SDRAM bus operating frequency:
200 MHz, 400 MT/S
• Supports unbuffered DDR DIMMS using up to 1 GB
• DRAM technology
• Supports up to 2 DIMMS (32 devices max)
2D Graphics Processor
• High performance 2D graphics controller
• Alpha BLT
• Microsoft® Windows® GDI GUI acceleration:
Hardware support for all Microsoft RDP codes
• Command buffer interface for asynchronous BLTs
• Second pattern channel support
• Hardware screen rotation
Display Controller
• Hardware frame buffer compression improves Unified
• Memory Architecture (UMA) memory efficiency
• CRT resolutions supported:
Supports up to 1920x1440x32 bpp at 85 Hz
Supports up to 1600x1200x32 bpp at 100 Hz
• Supports up to 1600x1200x32 bpp at 60 Hz for TFT
• Standard Definition (SD) resolution for Video Output Port (VOP):
720x482 at 59.94 Hz interlaced for NTSC
768x576 at 50 Hz interlaced for PAL
• 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)
• Supports down to 7.652 MHz Dot Clock (320x240 QVGA)
• Hardware VGA
• Hardware supported 48x64 32-bit cursor with alpha blending