Embassy nRF HAL The Embassy nRF HAL is based on the PACs (Peripheral Access Crate) from nrf-rs. Timer driver The nRF timer driver operates at 32768 Hz by default. Peripherals The following peripherals have a HAL implementation at present: PWM SPIM QSPI NVMC GPIOTE RNG TIMER WDT TEMP PPI UARTE TWIM SAADC