Data processing apparatus

Details Data processing apparatus Data processing apparatus

1992-04-20

1994-07-05

Chun, Debra A.

Boots, shoes, and leggings

364DIG1, 3642302, 3642624, 3642627, 364247, 395375, G06F 946

Patent

active

053275659

ABSTRACT:
A macroservice engine is provided to exclusively carry out a sequence control in a processing of a macroservice. On the other hand, a command execution unit carries out no macroservice, but generates a bus cycle exciting request for a bus control unit, when an access request signal is generated to access a memory or peripheral registers included in a microcomputer. Thus, a processing of interruption is carried out with high speed, and a burden of a central processing unit is relieved in an interruption process.

REFERENCES:
patent: 4274138 (1981-06-01), Shimokawa
patent: 4791560 (1988-12-01), Lahti et al.
patent: 4930068 (1990-05-01), Katayose et al.

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