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| PC/104-Digital I/O Board 104-DIO-24E 104-DIO-48E Features * 48 or 24 Parallel Bits of Digital I/O, Type 82C55 PPI (Mode 0) * Compatible with Opto-22 type Solid State Module Racks * One or two 24 parallel bit groups (two 8 bit port) and two 4 bit ports each group. * All bits are buffered, 64mA sink, 32mA source * I/O pulled up to 5V for Contact Monitoring, pulldowns are available by request * 5V available on pin 49 of each group (0.5A Resettable Fuse on each) * I/O connectors: Two Industry Standard 50 pin headers plus one ten-pin header for the counter/timer * Timer/Counter Type 82C54 Native Modes: Pulse and square wave generator Re-triggered one-shot S/W or H/W triggered strobe Rate generator Description The circuits use an 82C55A PPI with mode 0 supported. Ports A, B and C are buffered with 74ABT245 transceivers and pulled up to 5V (standard). The optional 82C54 has three-sixteen bit down-counters within one chip. These counters are useful for generating square waves, strobes, and pulses (PWM). Also, the frequency of square waves and strobes or the width of pulses or the number of events can be measured. Software is provided. Low power circuits are used with an overall consumption as low as 0.25 Watts. Software Package includes a setup program detailing all jumper settings, also IRQ drivers and samples for DOS and Windows (including NT/2000 and NT/XP). A Linux Sample is also provided. Ordering Information Item code 104-DIO24E 104-DIO 48E Part # 310240 310480 Description PC/104-Analog I/O Board PC/104-Analog I/O Board 104-DIO-24E 104-DIO-48E Technical Specifications Features Digital Input/Output Interface Chip Channels Modes Supported Sink/Source Current 82C55A 24 (2 x 8bit; 2 x 4bit); pulled up to 5V on 10kOhm 0 64mA/32mA 82C54 3 x 16bit down counters 8MHz Event, Freq. Output, Freq. & Pulse Measurement 3.8" x 3.6" x 0.6" +5V/50 mA IRQ 3-7,9-12,14,15 -20C to +70C -40C to +85C Yes Programmable 24 buffered (Ports A,B,C) Functions Remarks Counter/Timer Interface Chip Counters Clock Modes on-board General Dimensions Power Supply Interrupt Requests Operating Temperature Enhanced Temperature (opt.) Interrupt Status Register Height from surface of board Typical Selectable Manufacturer Acces I/O Products, Inc. 10623 Roselle Street San Diego, CA 92121-1506 P: 858.550.9559 USA Distributor & Support Center Advanced Digital Logic, Inc. 4411 Morena Blvd., Suite 230 San Diego, CA 92117-4328 P: 858.490.0597 F: 858.490.0599 Email: sales@adlogic-pc104.com http://www.adlogic-pc104.com Representative 104DI024-48e rev12/02 |
Price & Availability of 104-DIO24E
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