BCM Advanced Research
38
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Ability to turn off graphics data access behind video, hence reducing bandwidth
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Support for CCIR 656 video standard
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Ability to capture VBI and Intercast data
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Mirror video capture to support video conference
2D Accelerator
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Hardware acceleration - Rectangle Fill, Line Draw, BitBlt, Polygon
Fill,Panning/Scrolling, Bit Masking, Monochrome Expansion, Scissoring, and full
ROP support
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PCI bus master support for GUI programming
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8x8x8 SRC Brush support
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Quick engine setup with alias registers
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Improved FIFO management to memory controller
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Increased command FIFO to 128 DWORDs
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Hardware cursor up to 64x64x2
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Acceleration provided in 8/l6/24/32bpp modes. Packed pixel support (24bpp)
enables true color in 1MB configurations
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Game acceleration for Microsoft's DirectDraw—Double Buffering, Virtual Sprites,
Transparent Blit and Masked Blit
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Increased display FIFO to 32 DWORDs. Additional 64 entry FIFO for Bus
mastering
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True 24-bit, true-color palette DAC:
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Pixel clock rates up to 200MHz, with 230MHz option, for up to 1600x1200
screen resolution at 85Hz vertical
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Pixel depth of 32 bit at 1600x1200 screen resolution with WRAM and
external RAMDAC at 240 MHz
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Gamma correction for true WYSIWYG
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Full 24-bit palette
General Features
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Integrated 3D, 2D, and Video accelerators with palette DAC and quad-clock
synthesiser in a single chip
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Comprehensive AGP support, including 66 MHz and 133 MHz pipeline operation
with sideband addressing
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PCI revision 2.1 bus for Plug-and-Play ease of use
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Bi-endian support for compliance on a variety of processor platforms
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128-level command FIFO assures fast response to host command transfers for
maximum CPU/host bus/controller efficiency and concurrent operation
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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
