
1
–
2
1.1
Features
Second-Generation Video Interface Palette
Supports System Resolutions of:
–
1600
×
1280
×
1, 2, 4, 8, 16, 24 Bits/Pixel @ 60-Hz and 72-Hz Refresh Rate
–
1280
×
1024
×
1, 2, 4, 8, 16, 24 Bits/Pixel @ 60-Hz and 72-Hz Refresh Rate
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1024
×
768
×
1, 2, 4, 8, 16, 24 Bits/Pixel @ 60-Hz and 72-Hz Refresh Rate
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And lower resolutions
Direct-Color Modes:
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24-Bit/Pixel with 8-Bit Overlay
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16-Bit/Pixel (5, 6, 5) XGA Configuration
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16-Bit/Pixel (6, 6, 4) Configuration
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15-Bit/Pixel With 1 Bit Overlay (5, 5, 5, 1) TARGA Configuration
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12-Bit/Pixel With 4 Bit Overlay (4, 4, 4, 4)
True-Color Modes:
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24-Bit/Pixel With Gamma Correction
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16-Bit/Pixel (5, 6, 5) XGA Configuration With Gamma Correction
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16-Bit/Pixel (6, 6, 4) Configuration with Gamma Correction
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15-Bit/Pixel (5, 5, 5) TARGA Configuration With Gamma Correction
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12-Bit/Pixel (4, 4, 4) With Gamma Correction
RCLK/SCLK/LCLK Data Latching Mechanism Allows Flexible Control of VRAM Timing
Direct Interfacing to Video RAM
Support for Split Shift Register Transfers
64-Bit-Wide Pixel Bus
On-Chip Hardware Cursor:
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64
×
64
×
2 Cursor (XGA Functionally Compatible)
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Full-Window Crosshair
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Dual-Cursor Mode
135-, 175-, and 200-MHz Versions
Supports Overscan for Creation of Custom Screen Borders
Versatile Pixel Bus Interface Supports Little- and Big-Endian Data Formats
Windowed Overlay and VGA Capability
Color-Keyed Switching of Direct Color and Overlay
On-Chip Clock Selection
Internal Frequency Doubler
Triple 8-Bit D/A Converters
Analog Output Comparators
Triple 256
×
8 Color Palette RAMs
RS-343A Compatible Outputs
Direct VGA Pass-Through Capability
Palette Page Register
Horizontal Zooming Capability
Software Downward Compatible With IMSG176/8 and Bt476/8
Directly Interfaces to Graphics Processors
EPIC 0.8-
μ
m CMOS Process