Description
The DAQCard-DIO-24 is a Legacy DAQ Device with a part number of 776912-01. This device utilizes the 82C55A PPI chip and is compatible with both Macintosh and PCs that have a Type II PCMCIA slot. It is designed to offer versatile digital I/O solutions with its 24 programmable I/O pins, which are distributed across three 8-bit ports.
This card supports multiple operation modes including Strobed I/O, Bidirectional Bus I/O, and Simple I/O, making it adaptable to a variety of digital data management tasks. The DAQCard-DIO-24’s I/O channel is comprehensively equipped with one data bus, one address bus, support and control signals, and interrupt lines for efficient data handling and device communication.
The interface circuitry of the DAQCard-DIO-24 includes a card information structure, timing interface, data buffers, PC Card control registers, and an address decoder to ensure reliable and accurate data acquisition and control. It features a 25-pin I/O connector and supports an optional cable, PSH27-50F-D1, for enhanced connectivity options.
For further device expansion and utility, it is compatible with accessories such as the SC-2051 and CB-50. Additionally, it provides a +5 V power supply to external circuitry through Pin 25 and has an approximate current draw of 60 mA, ensuring efficient power usage.
It is important to note that the DAQCard-DIO-24 has been announced as obsolete by National Instruments. However, it remains available for purchase and repairs through Apex Waves, providing continued support for users requiring this legacy device for their specific applications.
| Specification | Detail |
|---|---|
| Part Number | 776912-01 |
| Category | Legacy DAQ Devices |
| Model | DAQCard-DIO-24 |
| Chip Used | 82C55A PPI |
| Compatible With | Macintosh and PCs with Type II PCMCIA slot |
| Programmable I/O Pins | 24 (distributed in three 8-bit ports) |
| Operation Modes | Strobed I/O, Bidirectional Bus I/O, Simple I/O |
| I/O Channel | 1 data bus, 1 address bus, support and control signals, interrupt lines |
| Interface Circuitry | Card information structure, timing interface, data buffers, PC Card control registers, address decoder |
| I/O Connector | 25-pin |
| Optional Cable | PSH27-50F-D1 |
| Compatible Accessories | SC-2051, CB-50 |
| Power Supply to External Circuitry | +5 V through Pin 25 |
| Current Draw | Approximately 60 mA |
| Obsolete Status | Announced by National Instruments |
| Availability | Available for purchase and repairs by Apex Waves |
Question 1: What is the part number of the DAQCard-DIO-24?
Answer 1: 776912-01
Question 2: Which chip does the DAQCard-DIO-24 use?
Answer 2: 82C55A PPI chip
Question 3: How many programmable I/O pins does it have?
Answer 3: 24 pins
Question 4: Is the DAQCard-DIO-24 compatible with Macintosh PCs?
Answer 4: Yes, and with Type II PCMCIA slot PCs.
Question 5: Can you still purchase the obsolete DAQCard-DIO-24?
Answer 5: Yes, through Apex Waves.
