2D Accelerator; General Features - BCM Advanced Research IN440EX User Manual

• Ability to turn off graphics data access behind video, hence reducing bandwidth
Support for CCIR 656 video standard
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• Ability to capture VBI and Intercast data
Mirror video capture to support video conference
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2D Accelerator

• Hardware acceleration - Rectangle Fill, Line Draw, BitBlt, Polygon
Fill,Panning/Scrolling, Bit Masking, Monochrome Expansion, Scissoring, and full
ROP support
• PCI bus master support for GUI programming
8x8x8 SRC Brush support
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• Quick engine setup with alias registers
Improved FIFO management to memory controller
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• Increased command FIFO to 128 DWORDs
• Hardware cursor up to 64x64x2
Acceleration provided in 8/l6/24/32bpp modes. Packed pixel support (24bpp)
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enables true color in 1MB configurations
Game acceleration for Microsoft's DirectDraw—Double Buffering, Virtual Sprites,
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Transparent Blit and Masked Blit
• Increased display FIFO to 32 DWORDs. Additional 64 entry FIFO for Bus
mastering
• True 24-bit, true-color palette DAC:
Pixel clock rates up to 200MHz, with 230MHz option, for up to 1600x1200
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screen resolution at 85Hz vertical
Pixel depth of 32 bit at 1600x1200 screen resolution with WRAM and
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external RAMDAC at 240 MHz
• Gamma correction for true WYSIWYG
• Full 24-bit palette

General Features

• Integrated 3D, 2D, and Video accelerators with palette DAC and quad-clock
synthesiser in a single chip
• Comprehensive AGP support, including 66 MHz and 133 MHz pipeline operation
with sideband addressing
• PCI revision 2.1 bus for Plug-and-Play ease of use
• Bi-endian support for compliance on a variety of processor platforms
128-level command FIFO assures fast response to host command transfers for
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maximum CPU/host bus/controller efficiency and concurrent operation
Additional 64 entry FIFO dedicated to Bus mastering
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• Programmable flat or paged memory model with enhanced host access to a linear
frame buffer
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