This page lists nrfx driver components supported by the nRF51 Series SoCs. For a complete overview, see Driver support overview.
AAR
ADC
CCM
CLOCK
ECB
FICR
GPIO
GPIOTE
LPCOMP
MPU
NVMC
POWER
PPI
QDEC
RADIO
RNG
RTC
SPI
SPIS
TEMP
TIMER
TWI
UART
WDT