Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Patent
1989-07-07
1990-07-17
Miska, Vit W.
Horology: time measuring systems or devices
Time interval
Electrical or electromechanical
368156, 377 44, G04F 800, H03K 2138
Patent
active
049425595
ABSTRACT:
A counter/timer circuit for a microcontroller includes a central register and two auxiliary registers each having transfer outputs and counting inputs. Bistable output storage elements are each connected to a respective one of the transfer outputs. Interrupt request flags are also each connected to a respective one of the transfer outputs. Start/stop elements are each connected to a respective one of the counting inputs. Input control blocks are each connected to a respective one of the start/stop elements. First reload, capture and compare units are connected between one of the auxiliary registers and the central register, and second reload, capture and compare units are connected between the other of the auxiliary registers and the central register.
REFERENCES:
patent: 4376995 (1983-03-01), Shimizu
patent: 4879733 (1989-11-01), Burch et al.
Fleck Rod
Magana Javier
Mattheis Karl-Heinz
Meinhold Christoph
Poret Mark
Advanced Micro Devices , Inc.
Greenberg Laurence A.
Lerner Herbert L.
Miska Vit W.
Siemens Aktiengesellschaft
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