Program assignable I/O addresses for a computer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 23, 1987
Grant Date -
N/A
app pub date -
Jan 3, 1985
filing date -
Jan 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit for providing program assignable I/O addresses in a peripheral unit of a computer in which the initial I/O address is written into a register in the unit. The register receives the address information during the simultaneous presence of a memory write control signal and a particular address which is a duplicate of one which is in the ROM area of the computer's memory.
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