The PIO-D24U supports 3.3 V/5 V PCI bus. The PIO-D24U consists of three 8-bit bi-direction ports. The 8-bit ports are named as port A (PA), port B (PB) and port C (PC) respectively. All ports are configured as inputs upon power-up or reset.

The PIO-D24U has a Card ID switch with which users can recognize the board by the ID via software when using two or more PIO-D24U cards in one computer.

The cards support various OS versions, such as Linux, DOS, Windows. DLL and Active X control together with various language sample program based on Turbo C++, Borland c++, Microsoft C++, Visual C++, Borland Delphi, Borland C++ Builder, Visual Basic, C#.NET, Visual Basic.NET and LabVIEW are provided in order to help users to quickly and easily develop their own applications.

Features

• Universal PCI (3.3 V/5 V) Interface
• 24 Buffered TTL Digital I/O Lines
• Three 8-bit Bi-directional Programmable I/O Ports
• Emulates two Industrial-standard 8255 PPI Ports (Mode 0)
• 4-channel Interrupt Source 
• Supports Card ID (SMD Switch)
• Supports DO Status Readback (Register Level)
• DI/O Response Time approximately 1 μs (1 MHz)