Abstract:
In an integrated free-fall detection device (16) for a portable apparatus (10), an acceleration sensor (20) generates acceleration signals (A x , A y , A z ) correlated to the components of the acceleration of the portable apparatus along three detection axes (x, y, z). A dedicated purely hardware circuit (24), connected to the acceleration sensor (20), generates in a continuous way and in real-time a free-fall detection signal (F). The free-fall detection signal (F) has a first logic value in the event that the acceleration signals (A x , A y , A z ) are simultaneously lower than a respective acceleration threshold (A th ), and is sent to a processor unit (18) of the portable apparatus (10) as an interrupt signal to activate appropriate actions of protection for the portable apparatus (10). The acceleration sensor (20) and the dedicated purely hardware circuit (24) are integrated in a single chip, and the acceleration sensor (20) is made as a MEMS.
Abstract:
A computing system having a processor with a data/control bus interface. A data/control bus implements one or more device communication channels. A data memory is coupled to the processor and a mass storage device having an interface for communicating mass storage transactions is provided. A controller having a memory interface is coupled to the data memory and a mass storage interface coupled to the mass storage device's interface and operable to conduct mass storage transactions between the data memory and the mass storage device.
Abstract:
A computing system having a processor with a data/control bus interface. A data/control bus implements one or more device communication channels. A data memory is coupled to the processor and a mass storage device having an interface for communicating mass storage transactions is provided. A controller having a memory interface is coupled to the data memory and a mass storage interface coupled to the mass storage device's interface and operable to conduct mass storage transactions between the data memory and the mass storage device.