GPIOk
GPIOk is a term used in some embedded systems documentation to describe a modular GPIO subsystem that extends the traditional general-purpose input/output model. The 'k' is not universally defined; in some contexts it denotes a configurable, banked GPIO interface, while in others it may be branding for a vendor-specific implementation. In essence, GPIOk provides a scalable interface for controlling and monitoring multiple digital pins from software.
Architecture and features: Pins are typically organized into banks, with a uniform register set for each bank.
Software model: GPIOk is accessed through a hardware abstraction layer or device driver. Common operations are
Electrical and compatibility notes: Voltage levels and drive capabilities follow the host platform’s specifications. Per-pin functions
Typical use cases include reading sensors, driving indicators such as LEDs, and interfacing with keyboards or
See also General-purpose input/output (GPIO), embedded systems, hardware abstraction layer.