Features
 Complies to Bluetooth v4.2, ETSI EN 300 328 and
EN 300 440 Class 2 (Europe), FCC CFR47 Part 15
(US) and ARIB STD-T66 (Japan)
 Flexible processing power
 0 Hz up to 96 MHz 32-bit ARM Cortex-M0 with
4-way associative cache
 Three optimised power modes (Extended sleep,
Deep sleep and Hibernation) reducing current to 1.4 uA
 Memories
 8 Mbit FLASH memory
 64 kB One-Time-Programmable (OTP) memory
 128 kB Data SRAM with retention capabilities
 16 kB Cache SRAM with retention capabilities
 128 kB ROM (including boot ROM and BLE stack)
 Power management
 Integrated Buck DC-DC converter (1.7 V to 4.5 V)
 Three power supply pins for external devices