P

Inventor

HEPWORTH EDWARD C

18 patents

Patents

18 patents
US3975712AAug 17, 1976

Asynchronous communication interface adaptor

MOTOROLA INC64 citations96
US4263650AApr 21, 1981

Digital data processing system with interface adaptor having programmable, monitorable control register therein

MOTOROLA INC94 citations95
US4346440AAug 24, 1982

Advanced data link controller

MOTOROLA INC58 citations94
US4225919ASep 30, 1980

Advanced data link controller

MOTOROLA INC87 citations94
US4071887AJan 31, 1978

Synchronous serial data adaptor

MOTOROLA INC105 citations94
US4087855AMay 2, 1978

Valid memory address enable system for a microprocessor system

MOTOROLA INC34 citations92
US4086627AApr 25, 1978

Interrupt system for microprocessor system

MOTOROLA INC35 citations92
US4368512AJan 11, 1983

Advanced data link controller having a plurality of multi-bit status registers

MOTOROLA INC41 citations91
US4358825ANov 9, 1982

Control circuitry for data transfer in an advanced data link controller

MOTOROLA INC30 citations91
US4218740AAug 19, 1980

Interface adaptor architecture

MOTOROLA INC54 citations90
US4106091AAug 8, 1978

Interrupt status indication logic for polled interrupt digital system

MOTOROLA INC27 citations82
US3979732ASep 7, 1976

Asynchronous status interlock circuit for interface adaptor

MOTOROLA INC31 citations82
US3976949AAug 24, 1976

Edge sensitive set-reset flip flop

MOTOROLA INC23 citations82
US4020472AApr 26, 1977

Master slave registers for interface adaptor

MOTOROLA INC28 citations81
US4284953AAug 18, 1981

Character framing circuit

MOTOROLA INC16 citations74
US4225917ASep 30, 1980

Error driven interrupt for polled MPU systems

MOTOROLA INC7 citations74
US4090256AMay 16, 1978

First-in-first-out register implemented with single rank storage elements

MOTOROLA INC11 citations74
US4006457AFeb 1, 1977

Logic circuitry for selection of dedicated registers

MOTOROLA INC15 citations74