Digilent I/O Explorer Reference Manual

I/O Explorer™ USB Reference Manual
Revised April 15, 2016
This manual applies to the I/O Explorer USB rev. C
Overview
The Digilent I/O Explorer USB is a USB peripheral device that allows programmatic access from a personal
computer to various external Input/Output (I/O) devices.
The I/O Explorer board.
I/O Explorer USB block diagram.
Using the Digilent Adept Software Developer's Kit (SDK) and the Digilent Adept Runtime System it is possible to
write application programs running under either the Microsoft Windows or Linux operating systems that perform
DOC#: 502-174
Other product and company names mentioned may be trademarks of their respective owners.
Features include:

Two Atmel AVR microcontrollers:
AT90USB646 and ATmega165P

USB 2.0 Full Speed device

Fully software compatible with the Digilent
Adept Runtime system

C/C++/C#/Visual Basic callable API set using
the Digilent Adept System Software
Developer's Kit (SDK)

5 12-pin and 1 6-pin Pmod ports

16 discrete LEDs

8 slide switches

4 push button switches

4 position DIP switch

2 rotary encoders with integral push button

speaker/buzzer

Two 10-bit A/D inputs

Four 12-bit D/A outputs

Up to 52 digital input/output pins

Connectors for up to 8 RC servos

1 hardware SPI master port

Up to 3 additional software SPI master ports

UART interface port

Provision for 4 additional RC servos using
Digilent PmodCON3

Provision for 2 additional quadrature
encoders via Pmod port

Provision for up to 8 additional 10-bit A/D
inputs using servo connectors

Multiple power supply options, including USB
powered

ESD protection and short circuit protection for
all I/O pins.
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