NXP Semiconductors MCF5211LCVM66

Overview

MCF5211LCVM66 from Freescale Semiconductor is a 32-bit ColdFire V2 RISC microcontroller operating at 66 MHz, featuring 128 KB flash, 16 KB SRAM, FlexCAN 2.0B, three UARTs, I²C, QSPI, eight-channel 12-bit ADC, four-channel DMA, and four 32-bit input-capture/output-compare timers - deployed in industrial motor control and embedded CAN-based automation systems.

For engineers reviewing the MCF5211LCVM66 datasheet, MCF5211LCVM66 pinout, MCF5211LCVM66 application, or MCF5211LCVM66 equivalent, key selection considerations include its 64-pin LQFP package, 66 MHz clock rating, FlexCAN support (only in QFN variant per documentation), integrated 12-bit ADC with simultaneous sampling, and ColdFire V2 core with MAC unit for deterministic real-time control.

Technical Context

The MCF5211LCVM66 implements the ColdFire Version 2 core with static operation, 32-bit address/data paths, ISA_A+ instruction set, and a dedicated 32-bit MAC unit supporting 16×16→32 and 32×32→32 operations. It uses a dual-pipeline architecture (IFP/OEP) with instruction prefetch buffering and hardware divider.

Its on-chip peripherals include a FlexCAN 2.0B module with 16 message buffers (standard/extended frames, up to 1 Mbps), three UARTs with FIFO and modem control, I²C master/slave, QSPI with 16-entry queue and master-only operation, and an eight-channel 12-bit ADC with 1.125 µs minimum conversion time and dual S/H for simultaneous sampling.

Key Specifications

Pinout & Package

64-pin LQFP (10 mm × 10 mm), RoHS-compliant, with exposed thermal pad. Pin functions include multiplexed GPIO, peripheral signals (CANRX/CANTX, URXDn/UTXDn, I²C_SCL/I²C_SDA), clock inputs (EXTAL/XTAL), reset (RSTI/RSTO), and power/ground distribution across VDD/VSS pairs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MCF5211LCVM66, MCF5211CVM66 offers identical functionality at lower cost but reduced thermal reliability, while MCF5212CVM66 trades pin compatibility for expanded memory and guaranteed FlexCAN - making it suitable for next-generation designs requiring scalability without PCB redesign.

Availability

MCF5211LCVM66 is available at Aetrix Electronics and suitable for industrial motor control, building automation, energy monitoring, and CAN-based embedded systems requiring stable component supply over extended product lifecycles.

Supply support for MCF5211LCVM66 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, connectivity, and analog solutions for automotive, industrial, and consumer markets.

The MCF5211LCVM66 belongs to the ColdFire V2 microcontroller family, designed specifically for deterministic real-time control in resource-constrained industrial environments where low-power operation, CAN integration, and analog acquisition are essential.

FAQ

What is the maximum operating frequency of the MCF5211LCVM66?

The MCF5211LCVM66 operates at a maximum clock frequency of 66 MHz. This speed is achieved using the on-chip PLL locked to an external crystal or the internal 8 MHz relaxation oscillator. The ColdFire V2 core delivers 63 Dhrystone 2.1 MIPS at this frequency, enabling hard real-time response in control applications. All timing specifications in the datasheet assume operation at 66 MHz unless otherwise noted for MCF5211LCVM66.

Does the MCF5211LCVM66 support FlexCAN in its 64-pin LQFP package?

No, FlexCAN is not available in the MCF5211LCVM66 64-pin LQFP package. According to the MCF5213EC datasheet (which covers the MCF5211 family), FlexCAN 2.0B is implemented only in the 64-pin QFN variant of the MCF5211. The LQFP version retains all other peripherals - including UARTs, I²C, QSPI, and ADC - but omits CAN functionality. Engineers selecting MCF5211LCVM66 must verify package-specific peripheral availability before schematic design.

What are the memory resources available on the MCF5211LCVM66?

The MCF5211LCVM66 integrates 128 KB of on-chip flash memory and 16 KB of static RAM (SRAM). The flash is organized as interleaved banks supporting 2-1-1-1 read access timing, while the SRAM is dual-ported to allow concurrent CPU and DMA access. Both memories are mapped into the 32-bit address space and support wait-state-free operation at 66 MHz. These resources are sufficient to host a real-time OS kernel, CANopen stack, and motor control firmware for MCF5211LCVM66-based systems.

How does the ADC subsystem of the MCF5211LCVM66 support motor control applications?

The MCF5211LCVM66 features an eight-channel, 12-bit fast ADC with simultaneous sampling capability using two independent sample-and-hold circuits. This allows synchronized capture of phase currents in three-phase motor drives - critical for accurate field-oriented control. Conversion time is as low as 1.125 µs, and the ADC supports programmable thresholds, zero-crossing detection, and DMA-triggered transfers. These capabilities directly enable high-fidelity current sensing and real-time fault detection in MCF5211LCVM66-based inverters.

Is the MCF5211LCVM66 pin-compatible with other members of the MCF521x family?

The MCF5211LCVM66 shares the same 64-pin LQFP footprint and core pinout with MCF5211CVM66 and MCF5212CVM66, but functional pin assignments differ where peripherals vary - notably FlexCAN signals are absent on MCF5211LCVM66. While mechanical compatibility exists, electrical compatibility requires validation against each variant's signal mapping table. Designers migrating to MCF5211LCVM66 must confirm that unused pins in the target application do not conflict with alternate functions assigned in other variants.