US PATENT SUBCLASS 712 / 247
.~.~ Multilevel microcontroller (e.g., dual-level control store)

Current as of: June, 1999
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712 /   HD   ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTURCTION PROCESSING (E.G., PROCESSORS)

220  DF  PROCESSING CONTROL {12}
245  DF  .~ Processing sequence control (i.e., microsequencing) {3}
247.~.~ Multilevel microcontroller (e.g., dual-level control store)

DEFINITION

Classification: 712/247

Multilevel microcontroller (e.g., dual-level control store):

(under subclass 245) Subject matter including means or steps for sequencing microinstruction processing utilizing a multilevel (e.g., dual level) microcode (i.e., a first level microcode addresses and controls a retrieval of a second or subsequent level microcode.).