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MR82C37A from INT

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MR82C37A

Manufacturer: INT

CMOS High Performance Programmable DMA Controller

Partnumber Manufacturer Quantity Availability
MR82C37A INT 16 In Stock

Description and Introduction

CMOS High Performance Programmable DMA Controller The **MR82C37A** is a high-performance, programmable **Direct Memory Access (DMA) controller** designed to facilitate efficient data transfers between memory and peripheral devices without requiring continuous CPU intervention. As a CMOS version of the industry-standard 8237A DMA controller, it offers improved power efficiency and reliability while maintaining full compatibility with its predecessor.  

This component is widely used in microprocessor-based systems to enhance data throughput by offloading memory transfer tasks from the CPU. It supports **four independent DMA channels**, each capable of handling high-speed data movement between I/O peripherals and system memory. The MR82C37A features **programmable priorities**, allowing flexible channel configuration to suit various system requirements.  

Key functionalities include **auto-initialization**, where a channel can reload its parameters automatically after a transfer completes, and **memory-to-memory transfers**, enabling rapid block data movement. Its **cascading capability** permits multiple controllers to expand the number of available DMA channels, making it suitable for complex embedded and computing systems.  

Operating at **5V supply voltage**, the MR82C37A is designed for integration into 8-bit and 16-bit microprocessor architectures. Its robust design ensures stable performance in industrial, telecommunications, and computing applications where reliable, high-speed data transfer is critical.  

With its combination of versatility, efficiency, and backward compatibility, the MR82C37A remains a preferred choice for system designers seeking a dependable DMA solution.

Application Scenarios & Design Considerations

CMOS High Performance Programmable DMA Controller

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