User's Manual

UM-D-010
DA14AVDDECT System Overview
NDA Confidential
User Manual
Revision 1.2
20-Aug-2020
CFR0012
5 of 18
© 2020 Dialog Semiconductor
2 Introduction
Dialog's DA14AVDDECT module is a low power solution for wireless audio, voice and data
applications in the 1.9 GHz DECT band. The module is also intended for users with little DECT
experience, who wish to make a wireless audio system.
3 Features and benefits
The DA14AVDDECT module is small and easy to use solution that can significantly shorten time to
market compared to flat designs and save costs on expensive RF test equipment. The module is
certified for EU, US and Japan DECT regions and has an integrated antenna optimized for the 1.9
GHz band. The module supports fast antenna diversity and an external PCB antenna reference
design is available, which is realized on the carrier boards shipped with the development kit
(DA14AVDDECTDEVKT). With a flexible API, the user can customize the provided example code for
different use cases.
4 Hardware Overview
The module is based on DA14495, which is a low power SoC with an integrated radio transceiver
that supports multi-level modulation and zero blind slot operation for higher bit rates and density. The
SoC includes an Arm® Cortex® M0 processor and a Tensilica HiFi3 DSP optimized for wireless
audio applications.
4.1 High-Level Schematics
Figure 1 shows the hardware overview of the DA14AVDDECT module. The module has an
integrated baseband, radio transceiver, RF power amplifier, embedded antenna, HiFi codec, QSPI
flash and crystal.
Figure 1: Hardware Overview