Description
line batteries The DA14681 is a flexible System-on-Chip bining an application processor, memories, cryptography engine, power management unit, digital and analog peripherals and a Bluetooth Low Energy MAC engine and radio transceiver. The DA14681 is based on an ARM® Cortex®-M0 CPU - Charger (up to 5.0 V) with programmable curves - High accuracy state-of-charge fuel gauge - Programmable threshold for brownout detection - Digitally controlled oscillators and PLL - 16 MHz crystal oscillator - 16 MHz RC oscillator - 32 kHz crystal and RC oscillator delivering up to 84 DMIPS and provides a flexible - 11.7 kHz RCX oscillator memory architecture, enabling code execution from - Low power PLL up to 96 MHz embedded memory (RAM, ROM) or non-volatile mem- - Three general purpose timer/counters with PWM ory (OTP or external Quad-SPI FLASH).
Key Features
- PDM + HW decimator (2 mics or 2 speakers)
- I2S/PCM master/slave interface up to 8 channels
- plies 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
- 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)
