Overview:

The ProMotion-6422 is a high-performance, highly-integrated multimedia user interface accelerator by Alliance Semiconductor. It is a part of their MultiMedia User Interface accelerators family, featuring a powerful Windows graphical user interface (GUI) accelerator engine, motion video acceleration hardware, and a high-precision DAC + clock generator. All of these features are incorporated into a single integrated 208-pin PQFP package.

Key Features:

High performance GUI accelerator:
- Optimized BLT/pattern engine
- Fast CAD & drawing operations
- Color expansion
- Line draw
No-cost motion video:
- Smooth scaled video at 30 fps
- Hardware scaling up to full screen
- YUV to RGB conversion
- DirectDrawTM and DCI support
- Graphics + 24-bit video in 1MB buffer
Integrated DAC and clock generator:
- Pixel clock to 135 MHz
- Gamma correction
BetterHalfTM cost-saving technology
VESA® standards support:
- Advanced Feature Connector (VAFC)
- Power management (DPMS)
- Bi-directional monitor data (DDC-2B)
High performance host interface:
- Glueless PCI 2.0
- VESA VL-bus
- Efficient memory mapped addressing
Fast 64-bit DRAM interface:
- 240MB/second peak bandwidth
- 1MB, 2MB, 4MB standard DRAM
- ×4, ×8, ×16 DRAM support
Programmable resolution up to 1600x1200 in various color modes and memory configurations