WWW.ICS-CTRL.COM
USER MANUAL FOR HARDWARE REV 3.11
07-APR-2018
PAGE 2
2.
CONTENTS
1. Welcome ......................................................................................................................................... 1
2. Contents ......................................................................................................................................... 2
3. Hardware Introduction .................................................................................................................... 3
3.1
Independent Repeater Channels ................................................................................................. 4
3.1.1
Repeater Channel 1 .................................................................................................................. 4
3.1.2
Repeater Channel 2 ................................................................................................................. 5
3.1.3
Input Audio Adjust ................................................................................................................... 5
3.1.4
Flat audio select ....................................................................................................................... 6
3.1.5
Output Audio Adjust ................................................................................................................ 6
3.1.6
CTCSS Active High/Low ........................................................................................................... 6
3.1.7
Port Connector & Pin 1 ............................................................................................................ 7
3.2
Output amplifier gain .................................................................................................................. 7
3.3
Built-in Audio .............................................................................................................................. 7
3.4
Analog to Digital Converter ......................................................................................................... 8
3.5
GPIO Expansion ........................................................................................................................... 8
3.6
GPS OPTION ............................................................................................................................... 9
3.7
I2C Expansion .............................................................................................................................. 9
3.8
SPI Expansion ............................................................................................................................ 10
3.9
I2S Expansion ............................................................................................................................ 10
3.10 1-WIRE Header .......................................................................................................................... 10
3.11 UART Header ............................................................................................................................ 11
3.12 PI Stacking Header .................................................................................................................... 11
4
Getting Started with svxlink .......................................................................................................... 12
4.1
Hardware Pin numbers (SVXlink based) .................................................................................... 12
4.2
Advanced Configurations .......................................................................................................... 12
5
Schematic ..................................................................................................................................... 13