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US 2016/0109901 A1Published application
Low Power Asynchronous Counters in a Synchronous System
AssigneeAmbiq Micro, Inc.
InventorStephen James Sheafor
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Abstract
A clock synchronizer adapted to synchronize reading a Timer that is clocked asynchronously to the system clock.
Claims11
An apparatus comprising:
- an internal clock coupled to a synchronizer facility;
- an enable coupled to said synchronizer facility;
- a synchronous clock coupled to said synchronizer facility;
- said synchronizer facility coupled to a timer;
- said synchronizer facility being adapted to output a first synchronized clock as a function of said internal clock, said synchronous clock, and said enable;
- and
- said timer being adapted to count as a function of said first synchronized clock.
4 more elements
A method comprising:
- receiving an internal clock;
- receiving an enable;
- receiving a synchronous clock;
- developing a first synchronized clock as a function of said internal clock, said synchronous clock, and said enable;
- and
- counting as a function of said first synchronized clock.
3 more elements
Dependencies are inferred from the claim text.