User's Manual

UM-B-036
DA14580 Antenna module for QFN48 package
User manual
Revision 2.0
10
-
Dec
-
2014
CFR0012-00 Rev 1 2 of 34 © 2014
Dialog Semiconductor
Contents
Contents .................................................................................................................................... 2
Figures ....................................................................................................................................... 4
Tables ........................................................................................................................................ 4
1 Terms and definitions ........................................................................................................... 6
2 References ........................................................................................................................... 6
3 Introduction ......................................................................................................................... 7
4 System overview .................................................................................................................. 7
Features ................................................................................................................................ 7
4.1
Electrical characteristics ....................................................................................................... 7
4.2
General description............................................................................................................... 8
4.3
Bluetooth Smart SoC ............................................................................................................. 8
4.4
Schematic diagram ................................................................................................................ 9
4.5
Module pinout .................................................................................................................... 10
4.6
Module GPIOs ..................................................................................................................... 11
4.7
Reset ..................................................................................................................... 11
4.7.1
Power management ............................................................................................................ 12
4.8
DC/DC converter in boost configuration .............................................................. 13
4.8.1
Crystals ................................................................................................................................ 13
4.9
OTP programming ............................................................................................................... 14
4.10
Debugging/testing ports ..................................................................................................... 14
4.11
RF section ............................................................................................................................ 14
4.12
Antenna ................................................................................................................ 14
4.12.1
4.12.1.1 Radiation diagrams ............................................................................ 16
4.12.1.2 Radiation pattern measurements ...................................................... 17
Tuning the 16 MHz crystal .................................................................................................. 18
4.13
Software .............................................................................................................................. 18
4.14
Test platform....................................................................................................................... 18
4.15