Introduction; Appbox C21 Features - Spectrum Digital AppBox C21 User Manual

1.0 Introduction

This document describes the features of the AppBox C21. The AppBox C21 is designed to be used in an
industrial environment with a CAN, RS-485, or LIN interface and provide flexible, modular I/O (AppIO) for
specific applications. These AppIO Modules allow customized solutions to be integrated for a wide variety of
applications that need to go into a CAN, RS-485, or LIN communications environment.

1.1 AppBox C21 Features

This AppBox C21 has the following features:

Atmel ATSAMC21J18A processor (ARM Cortex-M0+), maximum frequency 48 MHz.

Operates on +12 to +24 volts DC, uses less than 500 Ma. at +12

CAN interface for industrial systems

RS-485 communications for industrial systems

LIN interface for automotive systems

Communication interface expansion via Distribution Box (sold separately)

Modular I/O expansion via up to three (3) AppIO Modules, Atmel X PLAINED compatible

Fully enclosed system with knock out panels for AppIO Modules (sold separately)

Convenient enclosure mounting holes

Vented enclosure for cooling

Front panel push button switch

Front panel programmable LED

Atmel-ICE debug header present for development

Operates 0 - +70C
LED1
LED
Push
Button
Switch
RS485/
CAN/
J2
LIN
Power
J1
+12-24 VDC
C21 CPU BOARD
EXT1
ATSAMC21J18A
uP
SW1
EXT2
Comms
Select
Switch
Atmel-ICE
Header
EXT3
AppBox C21 Block Diagram
AppBox C21 System User's Guide
AppIO
Module #1
AppIO
Module #2
AppIO
Module #3
User Defined
Interface #1
Interface #2
Interface #3
4
AppBox