19#include "periph_cpu.h" 
   21#include "cfg_timer_default.h" 
   22#include "cfg_rtt_default.h" 
   37#ifdef MODULE_PERIPH_UART_HW_FC 
   41        .irqn       = UARTE0_UART0_IRQn,
 
   45#define UART_0_ISR          (isr_uart0) 
   47#define UART_NUMOF          ARRAY_SIZE(uart_config) 
   65#define PWM_NUMOF           ARRAY_SIZE(pwm_config) 
   86#define I2C_NUMOF           ARRAY_SIZE(i2c_config) 
   99#ifdef ERRATA_SPI_SINGLE_BYTE_WORKAROUND 
  105#define SPI_NUMOF           ARRAY_SIZE(spi_config) 
#define SPEAKER_PIN
Speaker pin (A0)
 
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
 
#define GPIO_UNDEF
Definition of a fitting UNDEF value.
 
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
 
Common clock configuration for the nRF52 based boards.
 
Board specific configuration for the BBC micro:bit v2.
 
I2C configuration structure.
 
PWM device configuration.
 
SPI device configuration.
 
UART device configuration.