An integrated circuit for controlling a display module and a first circuit module with a shared pin includes: a shared pin, a display control module, a first control module, and a pin-sharing management module. A multiple listing service system may include a map search feature. The voltage output of the cascode common source LNA is translated into a current to feed and apply energy to the mixer stage. Precomputed transforms can enhance performance for use in commercial applications. The valve can provide the capability to control the flow of fluids over a wide temperature range over a long service life while reducing or eliminating water hammer.