100 Mpixel/sec single-chip integrated graphics controller (IGC)

The IGC, a single-chip 2-D raster graphics engine for 1-2-Mpixel, 8-bit pseudorealistic color desktop systems, is described. With on-chip controllers for video, RAMDAC, and interleaved VRAMs, together with dedicated hardware for scan-conversion, image and block transfers, clipping, and raster operat...

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Bibliographic Details
Main Authors: Mansharamani, D., Birman, M., Chu, G., Martinella, J., Wu, D., Chiou, J., Wallis, B., Samuels, A., Grewal, H., McLeod, J., Zhu, M., Evans, K., Goodin, K.
Format: Conference Proceeding
Language:English
Subjects:
Computer graphics
Computerized monitoring
Engines
Hardware
Image resolution
Memory management
Pipelines
Pixel
Testing
User interfaces
Online Access:Request full text
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Description
Summary:The IGC, a single-chip 2-D raster graphics engine for 1-2-Mpixel, 8-bit pseudorealistic color desktop systems, is described. With on-chip controllers for video, RAMDAC, and interleaved VRAMs, together with dedicated hardware for scan-conversion, image and block transfers, clipping, and raster operations, the 185 K transistor, 208-pin custom IC operates at 25 MHz at full 1-Mbit VRAM bandwidth of 100 Mpixel/s. The IGC eliminates the performance bottleneck of workstations and personal computers by performing graphics functions at the maximum bandwidth of the interleaved pixmap with a minimum amount of support hardware.< >
DOI:10.1109/CICC.1991.164136