MC68340AB16E

The MC68340AB16E is a single-core, 32-bit CPU32 microprocessor in the MC68340 family, operating at 16 MHz and supplied in a 144-pin QFP (28×28 mm) surface-mount package. It integrates system-level peripherals and controllers that simplify embedded system designs requiring DMA, timers, serial communications and DRAM interfacing.

Targeted at embedded applications, the device combines the CPU32 core architecture with on-chip modules described in the product documentation, providing an integrated platform for designs that require a compact package and standard 5 V I/O signaling.

Key Features

• CPU Core: CPU32 single-core 32-bit processor running at 16 MHz, providing general-purpose embedded processing within the MC68340 family.
• Memory Controllers: On-chip DRAM controller support to interface system memory as documented for the MC68340 series.
• Integrated DMA: Built-in DMA controller module (as described in the MC68340 user manual) enables block transfers without CPU intervention.
• Timers and Serial: On-chip timer modules and a serial module providing USART functionality for timing and serial communications.
• System Test Access: IEEE 1149.1 test access support is included in the device documentation for boundary-scan and test integration.
• Package and Mounting: 144-pin BQFP / 144-QFP (28×28 mm) surface-mount package suitable for compact board designs.
• I/O and Power: 5 V I/O voltage specification consistent with legacy embedded systems.
• Operating Range: Specified operating temperature 0 °C to 70 °C for commercial temperature applications.
• Environmental Compliance: RoHS compliant.

Typical Applications

• Embedded Control Systems: On-board CPU32 processing and DMA support make the device suitable for embedded controllers that require integrated peripheral control and memory interfacing.
• Communications Interfaces: USART and serial module support enable implementation of standard serial communication functions in embedded products.
• System Integration Modules: The combination of timers, DMA and DRAM controller supports system designs that consolidate multiple functions onto a single processor.

Unique Advantages

• Integrated Peripheral Set: On-chip DMA, timers and serial modules reduce external component count by consolidating common system functions.
• Compact Surface-Mount Package: 144-QFP (28×28 mm) packaging supports dense PCB layouts while providing full I/O access for system integration.
• Standard 5 V I/O: Compatible with legacy 5 V signaling environments, easing integration into existing system designs.
• Documented Architecture: Supported by the MC68340 user manual and related programmer’s reference materials, providing detailed information on registers, modules and operation.
• RoHS Compliance: Meets RoHS requirements for lead-free manufacturing processes.

Why Choose MC68340AB16E?

The MC68340AB16E offers a balanced integration of a CPU32 32-bit core, DMA, timers, serial communications and DRAM controller in a single 144-QFP surface-mount package. Its documented architecture and on-chip peripherals make it suitable for embedded system designs that prioritize integration and a standardized 5 V I/O interface.

This part is appropriate for engineers and procurement teams implementing commercial-temperature embedded applications that benefit from the MC68340 family’s documented modules and system-level features. Comprehensive device documentation for the series is available to support development and system integration.

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