MC68340AG16EB1

The MC68340AG16EB1 is a CPU32-based 32-bit microprocessor designed for embedded systems. It integrates a single CPU32 core running at 16 MHz with on-chip peripherals and a two-channel DMA controller to support embedded control and general microprocessor-based designs.

With a high level of functional integration, on-chip DMA, serial interfaces and timer subsystems, the device reduces component count and board space while providing efficient block data transfer capabilities for systems that require fast memory and peripheral handling.

Key Features

• Core & Performance CPU32 central processor derived from MC68020 architecture; delivers 32-bit instruction capability and upward object-code compatibility with MC68000/MC68010. Two-clock register instructions are noted in the product information.
• Integrated DMA Two-channel low-latency DMA controller supporting single- or dual-address transfers, 32-bit addresses and counters, and 8/16/32-bit data transfers for high-speed block moves. Datasheet cites sustained transfer capability for large transfers.
• Serial Interfaces Two-channel USART with baud rate generators and modem control; device-level compatibility noted with MC68681/MC2681 and a maximum transfer rate documented in the product information.
• Timers & System Integration Two independent 16-bit counter/timers with prescaler options and multimode operation, plus a system integration module handling chip selects, wait-state generation, bus arbitration and system protection functions.
• Memory & Bus External bus interface with 32 address lines and 16 data lines; DRAM controller support identified in the product specifications.
• Power & Packaging 5 V I/O voltage, surface-mount 144-LQFP (20 × 20 mm) package for compact PCB integration, and static HCMOS technology noted for reduced power in normal operation.
• Environmental & Temperature RoHS compliant with an operating temperature range of 0°C to 70°C.
• Test & Debug Support System-level test features include IEEE 1149.1 boundary-scan (JTAG) and power-on reset circuitry as part of the system integration module.

Typical Applications

• Embedded control systems — On-chip CPU32 core, timers and system integration functions make the device suitable for general embedded control tasks.
• High-speed data transfer systems — Two-channel DMA supports sustained block transfers where fast memory movement is required.
• Serial communication devices — Dual USART channels with baud rate generation and modem control enable point-to-point and modem-linked serial applications.
• Microprocessor-based general computing — Compatibility with established MC68000 object code and an integrated peripheral set simplify the development of microprocessor-based systems.

Unique Advantages

• Highly integrated single-chip solution: Combines CPU, DMA and a broad set of peripherals to reduce BOM, board space and design complexity.
• Efficient block transfers: Two-channel DMA with 32-bit addressing and multiple data-width support enables fast, low-latency data movement.
• Established code compatibility: Upward object-code compatibility with MC68000/MC68010 gives access to a wide range of existing toolchains and software.
• Compact surface-mount package: 144-LQFP (20 × 20 mm) package supports dense PCB layouts while providing extensive I/O connectivity.
• On-chip system features: Integrated bus arbitration, chip select and system protection functions simplify external glue logic requirements.
• RoHS compliant: Meets regulatory material requirements for modern electronics manufacturing.

Why Choose MC68340AG16EB1?

The MC68340AG16EB1 positions itself as a practical choice when you need a 32-bit embedded processor with integrated DMA and peripheral subsystems to shorten development time and lower system cost. Its CPU32 core, combined with serial interfaces, timers and system integration features, targets designs that require reliable control, efficient data transfer and reduced external component count.

This part is suitable for engineers building embedded control or general microprocessor-based systems that benefit from proven instruction compatibility, integrated peripherals and compact surface-mount packaging. The combination of on-chip DMA and USART channels supports designs focused on sustained data movement and serial communication within the 0°C to 70°C operating range.

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