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STANDARD MICROSYSTEMS
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CRT 9212
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Double Row Buffer ORB
FEATURES
o Low Cost Solution to CRT Memory
Contention Problem
o Provides Enhanced Processor Throughput for
CRT Display Systems
o Replaces Shift Registers or Several RAM and
Counter IC's in CRT Display System
o Permits Display of One Data Row While Next
Data Row is Being Loaded
o Data May be Written into Buffer at Less Than
the Video Painting Rate
o Double Data Row Buffer Permits Second Data
Row to be Loaded Anytime during the Display of the Preceding Data Row
o Permits Active Video on All Scan Lines of
Data Row
o Dynamically Variable Number of Characters
per Data Row- ... 64, 80, 132, ...
CRT9212 Datasheet
