MC68EN360AI33L

The MC68EN360AI33L is a CPU32+ microprocessor IC from NXP Semiconductors' MC68 series, featuring a single 32-bit core operating at 33 MHz in a 240‑FQFP (32×32) surface-mount package. It is a highly integrated embedded controller optimized for communications and controller applications, combining processor, communications processor module (CPM) and multiple serial interfaces on a single device.

This part targets embedded designs that require on-chip communications peripherals, DMA and system integration features while maintaining a standard 5 V I/O voltage and an operating temperature range of 0 °C to 70 °C.

Key Features

• Core  The CPU32+ 32-bit core provides standard CPU32 architecture functionality in a single-core configuration at 33 MHz, including background debug mode and support for byte-misaligned addressing as described in the MC68360 family documentation.
• Memory & DMA  Built-in DRAM controller support and two independent IDMA channels enable efficient data movement with 32-bit internal and external transfers, buffer chaining and auto-buffer modes for streamlined memory I/O.
• Communications & Serial Interfaces  Integrated Communications Processor Module (CPM) and multiple serial channels: four SCCs, two SMCs and one SPI (seven serial channels total). SCC1 optionally supports Ethernet/IEEE 802.3 full 10 Mbps (available on MC68EN360 variants).
• Protocol Support  Four SCCs support HDLC/SDLC operation (all four channels supported at up to 2 Mbps) and other serial protocols suitable for embedded communications tasks.
• Timers & System Integration  Four general-purpose timers configurable as four 16-bit or two 32-bit timers, gate mode support, and a System Integration Module (SIM60) that includes bus monitoring, double bus fault monitor, watchdog, periodic interrupt timer, clock synthesizer and hardware breakpoint logic.
• Package & Power  240‑FQFP (32×32) surface-mount package, 5 V I/O voltage and standard commercial operating temperature range of 0 °C to 70 °C.
• Reliability & Test  On-chip features include bus arbitration for internal masters and IEEE 1149.1 Test Access Port support, aiding in system debug and board-level testability. The device is RoHS compliant.

Typical Applications

• Embedded Communications Controllers  Use the integrated CPM, multiple SCCs and protocol support for serial protocol processing, frame handling and channel management in communication equipment.
• Network Interface Modules  Leverage SCC1 Ethernet capability (10 Mbps) on MC68EN360 variants for low-speed LAN connectivity and protocol bridging in embedded network devices.
• General Embedded Controllers  Employ the CPU32+ core, on-chip DMA and timer resources to drive control tasks, peripheral management and real-time data movement in controller applications.

Unique Advantages

• Highly integrated communications peripherals: Combines CPM, four SCCs, two SMCs and SPI on-chip to reduce external components and simplify board design.
• Flexible serial protocol handling: Hardware support for HDLC/SDLC across multiple channels and dedicated CPM resources for buffer descriptor management and continuous mode operation.
• Efficient data movement: Dual IDMA controllers with buffer chaining and 32-bit transfer capability minimize CPU intervention for high-throughput transfers.
• Comprehensive system integration: SIM60 features such as watchdog, clock synthesizer, bus monitors and hardware breakpoints improve system robustness and ease debug.
• Standard packaging and I/O: 240‑FQFP surface-mount package with 5 V I/O and commercial temperature range simplifies integration into existing embedded product designs.
• RoHS compliant: Meets environmental compatibility requirements for lead-free assemblies.

Why Choose MC68EN360AI33L?

The MC68EN360AI33L delivers a balanced combination of a CPU32+ 32-bit core and extensive on-chip communications and system peripherals tailored for embedded controller and communications-centric designs. Its integrated CPM, multiple serial controllers and DMA engines reduce external BOM and offload real-time serial processing from the host core.

This device is well suited for engineers and procurement teams seeking a solution from the MC68 series that consolidates processor and communications functions into a single surface-mount package, providing a practical path for robust embedded designs within standard commercial operating conditions.

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