ARM Cordio BT4 Radio IP, User Manual, Page: 4 / 36

© Copyright ARM Limited 2016. All rights reserved.
WH000
ARM-EPM-100746 2.0 Confidential Page iv
1 Contents
PRODUCT STATUS .............................................................................................................. II
WEB ADDRESS .................................................................................................................... II
FEEDBACK .......................................................................................................................... III
ARM LIMITED WELCOMES FEEDBACK ON BOTH THE PRODUCT, AND THE
DOCUMENTATION. ............................................................................................................. III
FEEDBACK ON THIS DOCUMENT .................................................................................... III
GENERAL SUGGESTION FOR ADDITIONS AND IMPROVEMENTS ARE ALSO
WELCOME. .......................................................................................................................... III
SUPPORT AND MAINTENA
NCE ON THE CORDIO™ BT4 RADIO IP ............................. III
CHANGE HISTORY ............................................................................................................. III
1 KIT CONTENTS ............................................................................................................ 1
1.1 Contents .............................................................................................................. 1
1.2 Default Jumper and Switch Positions .................................................................. 1
2 DESCRIPTION .............................................................................................................. 3
2.1 Overview .............................................................................................................. 3
2.2 Features ............................................................................................................... 4
3 HARDWARE .................................................................................................................. 5
3.1 Block Diagram ..................................................................................................... 5
3.2 Power Selection and Switches ............................................................................ 6
3.2.1 5 Volt External Supply: .............................................................................. 6
3.2.2 Battery Supplies ........................................................................................ 7
3.2.3 1v / 3V Mode Switch .................................................................................. 7
3.2.4 Power Domains ......................................................................................... 8
3.3 Jumpers ............................................................................................................... 9
3.3.1 Power Control FW Jumper ........................................................................ 9
3.3.2 Current Measurement Jumpers: .............................................................. 10
3.3.3 LDO Jumpers: ......................................................................................... 10
3.3.4 UART/SWD Jumpers:.............................................................................. 11
3.3.5 Firmware / Demo Selection Jumpers: ..................................................... 11
3.4 Headers ............................................................................................................. 12
3.4.1 J14 - Host UART: .................................................................................... 12
3.4.2 5 Volt Test Pins: ...................................................................................... 13
3.4.3 J26- I
2
C Pins: ........................................................................................... 13
3.4.4 J22
– GPIOs (and LEDS): ....................................................................... 13
3.4.5 J25
– AT Pins: ......................................................................................... 13
3.4.6 J24- Host Serial Wire Debug: .................................................................. 13
3.4.7 J17
– SPI Bus .......................................................................................... 13
3.5 Buttons ............................................................................................................... 14
3.5.1 BT4 Reset Buttons .................................................................................. 14
3.5.2 Wake-up/Discoverable Button ................................................................. 15
3.5.3 Mbed Reset Button .................................................................................. 15
4 FW MODES ................................................................................................................. 16
5 CURRENT MEASUREMENT ...................................................................................... 17