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W9970CF
Video Graphics Controller
FEATURES
u Integrated Video Graphics Controller • 64-bit graphics engine
• Integrated video accelerator
• On-chip 24-bit true color RAMDAC with up to 135 MHz pixel clock rate
• On-chip clock synthesizers generating up to 135 MHz VCLK and 80 MHz MCLK
u Graphics Engine • 64-bit graphics acceleration
• 8/16/24 bit-per-pixel true color acceleration
• Deep command queue to improve GE performance
• Bit block transfer between system memory and display memory ú HostBLT ú Pattern BLT ú Color/font expanding BLT ú Transparent BLT ú Color/font expansion ú Rectangle fill ú 256 three-operand (source, pattern and destination) ROPs
• Bresenham line drawing
• Short stroke vector drawing
• Rectangle and line clipping • 64 × 64 × 2 or 32 × 32 × 2 hardware cursor
u Video Ac
W9970CF Datasheet
