UPD82C55AC-2 INTEGRATED CIRCUIT DIP-40 NEC

The UPD82C55AC-2 is a programmable peripheral interface (PPI) integrated circuit manufactured by NEC, commonly used to expand the input/output (I/O) capabilities of microprocessors and microcontrollers. Encased in a DIP-40 (Dual In-line Package with 40 pins), this versatile IC provides a flexible and cost-effective solution for interfacing with a wide range of peripheral devices. Its programmable nature allows it to be configured to meet the specific I/O requirements of various applications, making it a valuable component in embedded systems and industrial control systems.

The UPD82C55AC-2 features three 8-bit parallel ports (Port A, Port B, and Port C), each of which can be individually configured as either an input or an output port. This flexibility allows the IC to interface with a variety of peripheral devices, such as sensors, actuators, keyboards, displays, and printers. The IC also includes a control register that allows the microprocessor to configure the operating mode of each port. The DIP-40 package facilitates easy prototyping and breadboarding, making it ideal for educational purposes and experimental projects.

The UPD82C55AC-2 operates in three different modes: Mode 0 (Basic I/O), Mode 1 (Strobed I/O), and Mode 2 (Bidirectional Bus). In Mode 0, the ports are used for simple input or output operations. In Mode 1, the ports are used for strobed I/O, where data is transferred asynchronously using handshake signals. In Mode 2, Port A is used as a bidirectional bus, allowing data to be transferred in both directions. These different modes provide flexibility in interfacing with a wide range of peripheral devices with varying communication protocols.

The UPD82C55AC-2 finds applications in various embedded systems, including industrial control systems, data acquisition systems, and robotics. It is used to interface with sensors, actuators, keyboards, displays, and other peripheral devices. Its programmable nature allows it to be easily adapted to different applications, making it a versatile component in embedded system design. The UPD82C55AC-2's robust design and adherence to industry standards ensure reliable performance and long-term stability.

Expand the I/O capabilities of your microprocessor with the versatile and reliable UPD82C55AC-2 Programmable Peripheral Interface. Its three programmable ports, flexible operating modes, and easy integration make it an ideal choice for a wide range of embedded systems. With its DIP-40 package, the UPD82C55AC-2 is easy to prototype and experiment with. Order your UPD82C55AC-2 IC today and unlock the potential of your embedded projects. Experience the convenience and performance of this essential peripheral interface component.