DA14680 Datasheet, PDF (2/5 Pages) Dialog Semiconductor – The most integrated and flexible Bluetooth® low energy SoC

SoC Features
• Complies to Bluetooth 4.2, ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47
Part 15 (US) and ARIB STD-T66 (Japan)
• Flexible processing power
- 32 kHz up to 96 MHz 32-bit ARM Cortex-M0 with 16 kBytes, 4-way associative cache
- Three optimised power modes (Extended sleep, Deep sleep and Hibernation) reducing
current down to 840 nA
• Memories
- 8 Mb FLASH
- 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 Bluetooth low energy stack)
• Power management
- Integrated Buck DC-DC converter (1.7 V - 4.75 V)
- Three power supply pins for external devices
- Supports Li-Polymer, Li-Ion, coin cells, NiMH and alkaline batteries
- Charger (up to 5.0 V) with programmable curves
- High accuracy state-of-charge fuel gauge
- Programmable threshold for brownout detection
• Clocks
- 16 MHz crystal and RC oscillators
- 32 kHz crystal and RC oscillators
- 10.5 kHz RCX oscillator as a 32 kHz crystal replacement
- Low power PLL up to 96 MHz
• Three general purpose timer/counters with PWM, one of them 16-bit up/down timer/counter with
PWM available in extended sleep mode
• Application cryptographic engine with ECC, AES-256, SHA-1, SHA-256, SHA-512 and a FIPS
140-2-compliant True Random Number Generator
• Digital interfaces
- 31 general purpose I/Os with programmable voltage levels
- Two UARTs, one with hardware flow control
- Two SPI+™ interfaces
- Two I²C bus interfaces at 100 kHz, 400 kHz
- Three-axis capable Quadrature Decoder
- PDM interface with HW sample rate converter (2 mics or 2 speakers)
- I²S/PCM master/slave interface up to 8 channels
- Keyboard scanner with de-bouncing
- Infrared (IR) interface (PWM)
- USB Full Speed (FS) device interface
www.dialog-semiconductor.com/bluetoothlowenergy