MC68440
The MC68440 is a DMA controller chip used for managing data transfers in computer systems.MC68440
The MC68440 is a DMA controller chip used for managing data transfers in computer systems.
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Service & Packaging
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MC68440 DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The MC68440 is a DMA (Direct Memory Access) controller chip developed by Motorola. It is specifically designed for use in embedded systems to efficiently transfer data between peripherals and memory without involving the CPU, thus freeing up the CPU for other tasks.The MC68440 features a 4-channel DMA controller with a priority scheme that allows for efficient data transfer management. It supports both demand-driven and block transfer modes for flexibility in data transfer operations. The chip also includes an internal interrupt controller to handle interrupt requests from peripherals during data transfer.The MC68440 has a 16-bit data bus interface, making it suitable for interfacing with a wide range of peripherals and memory devices. It operates at a clock speed of up to 25 MHz, providing fast data transfer rates. The chip supports burst mode transfers for transferring large blocks of data quickly and efficiently.
Key Features
- High-speed DMA controller
- Provides bus-mastering capability
- Supports burst mode transfers
- Includes a programmable memory burst size
- Offers variable data width transfers
- Supports multiple priority levels
- Includes error detection and correction mechanisms
- Provides flexible and efficient memory access capabilities
- Optimized for high-performance data transfers
Application
- Industrial automation
- Robotics
- Medical devices
- Communications systems
- Test and measurement equipment
- Control systems
- Data acquisition systems
- Embedded systems
- Instrumentation
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Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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