MC68340AB25E

The MC68340AB25E is an integrated 32-bit microprocessor (CPU32) designed for embedded applications. It combines a single CPU32 core running at 25 MHz with on-chip system integration features including DMA support and serial modules to simplify system design.

Targeted at embedded system designs, the device provides a 5 V I/O interface, DRAM controller support, a USART serial interface, and a surface-mount 144-QFP (28x28) package. Documentation for the MC68340 series includes a comprehensive user’s manual and programmer’s reference materials to aid development and integration.

Key Features

• CPU Core  Single CPU32 32-bit core running at 25 MHz for deterministic embedded processing.
• Integrated DMA  On-chip DMA controller (MC68340 Integrated Processor with DMA) to offload data transfers and reduce CPU overhead.
• Memory Support  DRAM controller included to simplify external memory interfacing.
• Serial Communications  USART interface provided for robust serial connectivity and peripheral communication.
• Package & Mounting  144-pin BQFP / 144-QFP (28x28) surface-mount package suitable for compact PCB layouts.
• Power & I/O  5 V I/O voltage compatibility for legacy embedded systems.
• Operating Range  Industrial-friendly operating temperature range of 0 °C to 70 °C.
• Standards & Test Access  Documentation references IEEE 1149.1 test access support for board-level testability.
• Compliance  RoHS compliant.

Typical Applications

• Embedded controllers  Use the MC68340AB25E where a 32-bit core with DMA and DRAM support can manage control tasks and data movement efficiently.
• Industrial systems  Suitable for embedded industrial designs that require a 5 V I/O interface and surface-mount 144-QFP packaging.
• Communications peripherals  USART and DMA capabilities enable serial data handling and peripheral interfacing in communication-focused modules.

Unique Advantages

• Highly integrated architecture: On-chip CPU32 core, DMA controller, DRAM controller and serial modules reduce external component count and simplify board design.
• Deterministic 32-bit processing: Single 32-bit CPU32 core at 25 MHz provides a clear performance envelope for embedded control tasks.
• Simplified memory interfacing: Built-in DRAM controller streamlines connection to external memory, lowering design complexity.
• Proven documentation: Comprehensive user’s manual and programmer’s reference materials are available for development and instruction-level details.
• Testability features: Datasheet references IEEE 1149.1 test access support for easier board-level testing and validation.
• Regulatory readiness: RoHS compliance supports environmentally-conscious designs and regulatory requirements.

Why Choose MC68340AB25E?

The MC68340AB25E positions itself as an integrated, development-friendly microprocessor for embedded designs that require a 32-bit CPU, on-chip DMA and DRAM controller, and serial communications. Its 144-QFP surface-mount package and 5 V I/O make it suitable for systems where established voltage domains and compact packaging are important.

Engineers and procurement teams will find value in the combination of integration, documented developer resources, and test access features—supporting faster system integration, reduced BOM, and predictable behavior in embedded applications operating within 0 °C to 70 °C.

Request a quote or submit an inquiry to obtain pricing, lead time, and availability for the MC68340AB25E.