At L-3 Communications, we use PLLs (phase-locked loops) in many of our products to generate precise, stable signals. To program these parts, we must load several control registers with digital words ...

We’re always excited to get a new chip or SIM card to interface, but our enthusiasm is often dampened by the prototyping process. Interfacing any chip usually means breadboarding a circuit, writing ...

A recent newsletter mentioned a testing and debugging module called the “Bus Pirate” that helps people overcome problems with serial buses. People can simulate bus operations for 1-Wire, I2C, SPI, ...