UEXT: universal expansion connector. The standard UEXT connector consists of ten pins (two rows of five, with 0.1" spacing) and supports I2C, SPI, and RS-232 serial communication, as well as carrying +3.3V power and common ground. -- Wikipedia: UEXT
Rather than wiring a connector up directly to a CPU, one typically has some input protection between them.
The SFE Footprint Library includes a few connectors.