Data tracing apparatus

Details Data tracing apparatus Data tracing apparatus

1996-12-17

1999-04-27

Swann, Tod R.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

39580023, 395500, 39518301, 36518912, 36518905, 324 731, 364490, G06F 1200

Patent

active

058976531

ABSTRACT:
A data tracing apparatus includes a data storing unit having a first area and a second area, for storing data corresponding to a predetermined number of bus cycles, a data writing/reading controlling unit for writing data alternatively to the first area and the second area for each of the predetermined number of bus cycles and for reading data stored in an area which is not subject to writing and within first area and the second area, reading being faster than writing, a dynamic memory for successively storing data read from the data storing unit by the data writing/reading controlling unit, and a refreshing unit for refreshing the dynamic memory after reading by the data writing/reading controlling unit.

REFERENCES:
patent: 4884191 (1989-11-01), Weatherford et al.
patent: 5235691 (1993-08-01), Hirosawa
patent: 5319597 (1994-06-01), Adachi
patent: 5715200 (1998-02-01), Fielder et al.

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