Introducing The Usb-Dio96H - Measurement Computing USB-DIO96H User Manual

Introducing the USB-DIO96H

The USB-DIO96H is a USB 2.0 full-speed device that provides the following features:
96 bits of digital I/O lines in four independent port groups,

o Each group is divided into two 8-bit ports and two 4-bit ports, and is a discrete emulation of 82C55
mode zero operation
o Each port is software-selectable for either input or output
o
Each digital port has associated DIP switches to drive the ports high or low during power up and reset
(pull-up or pull-down configuration.) All I/O bits are set to input mode on power up and reset.
High-drive TTL outputs that can source 24 mA and sink 64 mA

A 32-bit external event counter.

Screw terminals for signal I/O connections

50-pin mass termination connectors for OEM applications (remove enclosure to access mass termination

connectors)
Rugged metal enclosure that can mount on a DIN rail or on a bench. A USB cable is included.

The USB-DIO96H is fully compatible with both USB 1.1 and USB 2.0 ports. Revision G and later devices are
also compatible with USB 3.0 ports.
The USB-DIO96H is powered by an external +5 V regulated power supply that is shipped with the device.
A jumper-selectable Molex® connector is also available inside the case if you need an alternate power supply.
The cable for this connector is not included.
This manual covers revision 2 hardware and later
This manual covers revision 2 of the USB-DIO96H hardware, which uses a 5 V power supply. Revision 1 of the
USB-DIO96H hardware has a 9 V power supply and daisy-chained hub. For information on revision 1
hardware, refer to www.mccdaq.com/PDFs/specs/USB-DIO96H_R1-spec.pdf.
5
Chapter 1