NXP Semiconductors MCF5214CVF66

Overview

MCF5214CVF66 from NXP (formerly Freescale) is a 32-bit ColdFire V2 microcontroller featuring a 66 MHz core clock, 128 KB on-chip Flash memory, and 16 KB SRAM. It integrates a FlexCAN 2.0B controller, I²C, QSPI, UARTs, QADC, and programmable timers. Designed for industrial control and networked embedded systems, it supports real-time deterministic operation in temperature-stable environments.

For engineers reviewing the MCF5214CVF66 datasheet, MCF5214CVF66 pinout, MCF5214CVF66 application, or MCF5214CVF66 equivalent, key selection criteria include its ColdFire V2 ISA compliance, 66 MHz maximum frequency, 128 KB Flash/16 KB SRAM memory map, FlexCAN interface capability, and LQFP-144 package compatibility with board-level thermal and EMI constraints.

Technical Context

The MCF5214CVF66 implements the ColdFire Version 2 microarchitecture with a 32-bit Harvard-style pipeline, 4 KB instruction cache, and enhanced MAC unit supporting fractional arithmetic. Its memory subsystem includes configurable chip-select logic for external SDRAM and peripheral interfacing.

System-level peripherals include dual interrupt controllers (INTC0/INTC1), a Phase-Locked Loop (PLL) with selectable multiplication ratios, and low-power modes (Wait, Doze, Stop) managed via the System Control Module (SCM) and Clock Module. The device lacks Fast Ethernet (FEC) and SDRAM controller-features present in MCF5282 but excluded from MCF5214 per family documentation.

Key Specifications

Pinout & Package

LQFP-144 (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad. Pin 1 marked by corner notch; pins numbered counter-clockwise.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5214CVF66, the MCF52235CAG80 trades CAN capability for USB/Ethernet and larger memory, while the MCF52259CAG80 extends CAN-based functionality with security and storage features - both require PCB layout changes due to different pinouts and thermal pads.

Availability

MCF5214CVF66 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, building automation controllers, and energy meter concentrators requiring stable component supply across extended product lifecycles.

Supply support for MCF5214CVF66 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets.

The ColdFire microcontroller product line was originally developed by Motorola and acquired by Freescale, then NXP. MCF5214CVF66 targets deterministic real-time control in resource-constrained industrial environments with integrated CAN and analog acquisition.

FAQ

What is the maximum operating frequency of the MCF5214CVF66?

The MCF5214CVF66 operates at a maximum core frequency of 66 MHz, achieved using its internal Phase-Locked Loop (PLL) with an external 4–33 MHz crystal input. This frequency is fixed for this variant and not software-configurable beyond the PLL multiplier settings defined in the Clock Module registers. All timing-critical peripherals-including FlexCAN, QADC, and UARTs-are synchronized to this clock domain. The MCF5214CVF66 does not support overclocking or dynamic frequency scaling.

Does the MCF5214CVF66 include an Ethernet controller?

No, the MCF5214CVF66 does not include a Fast Ethernet Controller (FEC). That feature is exclusive to the MCF5282 and MCF5281 variants within the ColdFire family. The MCF5214CVF66 relies on external PHYs or alternative interfaces like FlexCAN, UART, or QSPI for network connectivity. Documentation explicitly lists FEC under "MCF5282-Specific Features" and omits it from MCF5214 functional descriptions.

What debug interface does the MCF5214CVF66 support?

The MCF5214CVF66 supports Background Debug Mode (BDM) via a 10-pin connector, compliant with IEEE 1149.1 JTAG for boundary-scan testing. It does not implement SWD or ARM-style debug ports. BDM enables full visibility into CPU registers, memory, and peripheral states during halted or real-time execution. The MCF5214CVF66 requires a dedicated BDM pod (e.g., P&E Micro's Cyclone PRO) for flash programming and breakpoint-based debugging.

Is the MCF5214CVF66 pin-compatible with other ColdFire devices?

No, the MCF5214CVF66 is not pin-compatible with other ColdFire microcontrollers, including MCF52235 or MCF52259. Although all use LQFP-144 packages, pin assignments for power domains, peripherals (e.g., CANRX/CANTX location), and clock inputs differ significantly across families. Migration requires PCB redesign and signal routing validation. The MCF5214CVF66 datasheet confirms unique pin mapping in its Signal Descriptions chapter.

What is the Flash memory endurance specification for the MCF5214CVF66?

The MCF5214CVF66 ColdFire Flash Module (CFM) is rated for a minimum of 10,000 program/erase cycles per sector, with data retention guaranteed for 20 years at 85°C. This endurance applies to standard erase-block operations (512-byte sectors); wear leveling must be implemented in firmware. The CFMSEC and CFMPROT registers allow locking individual sectors against accidental writes - a feature confirmed in Chapter 6 of the MCF5282UM reference manual applicable to MCF5214.