Qt is a portable framework that provides graphical and application services. Embedded/Systems/Software Editor Bill Wong talks with Digia’s CTO, Lars Knoll, about Qt....More
“What else is needed is the ability to learn, not just from one car’s experience but from the experience of a multitude of cars, and to be able to harness that vehicular crowd source by monitoring and accumulating data on what’s happening to other vehicles and applying predictive analytics to a spectrum of situations.”...More
A charge pump (or Q pump) uses a flying-capacitor architecture to boost a single cell's voltage to a regulated 2.5V, yet operates at low quiescent current. This approach is a good fit for microcontroller applications where the load is usually in sleep mode and quiescent battery drain is more important than efficiency at higher loads. The two-stage design has efficiency in the 40 to 70% range—comparable to an LDO—yet consumes just microamps when the load is not active....More
This circuit uses a standard hex inverter to create an oscillator and Class-D amplifier, which in turn drives MOSFETs that can efficiently supply the bipolar rails and sink the ground current....More
The advantages of programming a flash device after it has been soldered to the PCB are significant. Several approaches can be used to program images....More
Hybrid disk drives combine flash and rotating magnetic storage in a single box, but there is more than one way to manage the cache that flash brings to the table, depending on how the drive is designed....More
More consumer and embedded products are connected to a network and the Internet making security of paramount importance. It is one reason why developers need to know what issues and solutions are available....More
If path-based analysis (PBA) runtimes can be improved by significant amounts, designers can begin to utilize PBA on a larger set of paths and perform their analyses earlier in the design closure flow....More
