SM34020A
description
145-PIN GRID ARRAY PACKAGE ( TOP VIEW )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A B C D E F G H J K L M N P R
132-PIN QUAD FLATPACK ( TOP VIEW )
D Programmable CRT Control
- posite Sync Mode
- Separate Sync Mode
- Synchronization to External Sync
D Direct Support for Special Features of
1M VRAMs
- Load Write Mask
- Load Color Mask
- Block Write
- Write Using the Write Mask
D Flexible Multi-Processor Interface D Packaging Options
- 145-Pin Grid Array Ceramic Package (GB Suffix)
The SM34020A graphics system processor (GSP) is the second generation of an advanced high-performance CMOS 32-bit microprocessor optimized for graphics display systems. With a built-in instruction cache, the ability to simultaneously access memory and registers, and an instruction set designed to expedite raster graphics operations, the SM34020A provides user-programmable control of the CRT interface as well as the memory interface (both standard DRAM and multiport video RAM). The 4-gigabit...
