peripheral

- External or on-chip hardware block that extends a processor's capabilities — timers, UARTs, SPI, I2C, ADC, DAC, PWM controllers.

External or on-chip hardware block that extends a processor's capabilities — timers, UARTs, SPI, I2C, ADC, DAC, PWM controllers.

In embedded development, peripherals are the interface between digital logic and the physical world.

Popular platforms like STM32 and ESP32 provide rich peripheral sets accessible via MMIO registers.