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CRT9212 - Double Row Buffer

General Description

The CRT 9212 Double Row Buffer (ORB) provides while the previous data row is being displayed.

system processor and the CRT controller in video dis- line times of the data row.

Key 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 D.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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STANDARD MICROSYSTEMS CORPOR~irlioiNF==ยท CRT 9212 f.1PC FAMILY 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, ...