RF System on a Chip - SoC Bluetooth Low Energy 4.2 SoC with Flexpower ARM Cortex M0, crypto, PMU, memories and peripherals - 37 GPIOs in AQFN60 package and 0.55mm pin pitch
RF System on a Chip - SoC Bluetooth Low Energy 4.2 SoC with Flexpower ARM Cortex M0, crypto, PMU, memories and peripherals - 16 GPIOs in WL-CSP53 package and 0.4mm ball pitch