NXP Semiconductors MCF5212LCVM66J

Overview

MCF5212LCVM66J from Freescale Semiconductor is a 32-bit ColdFire V2 RISC microcontroller operating at 66 MHz, featuring 256 KB flash, 32 KB SRAM, FlexCAN 2.0B, three UARTs, I²C, QSPI, eight-channel 12-bit ADC, four DMA-capable 32-bit timers, and integrated PLL clock generation - deployed in industrial motor control and embedded CAN-based automation systems.

For engineers reviewing the MCF5212LCVM66J datasheet, MCF5212LCVM66J pinout, MCF5212LCVM66J application, or MCF5212LCVM66J equivalent, key selection criteria include verified 66 MHz ColdFire V2 core performance, LQFP-64 package compatibility, FlexCAN message buffer configuration, ADC simultaneous sampling capability, and BDM/JTAG debug interface support for real-time trace.

Technical Context

The MCF5212LCVM66J implements the ColdFire Version 2 core with MAC unit and hardware divider, delivering 63 MIPS (Dhrystone 2.1) at 66 MHz. Its on-chip memory subsystem includes dual-ported 32 KB SRAM accessible by both CPU and DMA, and 256 KB interleaved flash supporting 2-1-1-1 read access timing.

It integrates a full FlexCAN 2.0B controller with 16 configurable message buffers, three UARTs with FIFO and modem control, and an eight-channel 12-bit ADC with simultaneous dual-channel sampling - all synchronized via a programmable PLL with 8 MHz on-chip relaxation oscillator and external crystal support.

Key Specifications

Pinout & Package

LQFP-64 package, 10 mm × 10 mm body, 0.5 mm pitch, thermally enhanced with exposed pad. Pin assignments conform to Figure 4 (64 LQFP and 64 QFN Pin Assignments) and Table 3 (Pin Functions by Primary and Alternate Purpose) in MCF5213EC Rev. 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5212LCVM66J, MCF5213VFA66 offers identical core performance and peripheral set in a larger package with expanded debug capability, while MCF52235CFM80 introduces architectural upgrades (USB, Ethernet) and doubled memory - neither is pin-compatible, requiring PCB revision for migration.

Availability

MCF5212LCVM66J is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and programmable logic controller (PLC) I/O modules requiring stable component supply, long-term lifecycle assurance, and legacy design continuity.

Supply support for MCF5212LCVM66J 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, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MCF5212LCVM66J belongs to the ColdFire V2 microcontroller product line, designed specifically for cost-sensitive, real-time embedded applications demanding CAN connectivity, deterministic control, and low-power operation in harsh environments.

FAQ

What is the maximum operating frequency of the MCF5212LCVM66J?

The MCF5212LCVM66J operates at a fixed maximum frequency of 66 MHz, as defined in the MCF5212 family configuration table (Table 1, MCF5213EC Rev. 3). This is lower than the MCF5213's 80 MHz rating and reflects its optimized balance of performance, power, and cost for industrial control applications. The MCF5212LCVM66J achieves 63 MIPS (Dhrystone 2.1) at this frequency.

Does the MCF5212LCVM66J support simultaneous sampling on its ADC?

Yes, the MCF5212LCVM66J's eight-channel 12-bit ADC includes two independent sample-and-hold (S/H) circuits enabling true simultaneous sampling of two channels - for example, AN0 and AN1 - which is essential for accurate current reconstruction in three-phase motor control. This capability is explicitly documented in Section 1.1.11 (Fast ADC) of the MCF5213EC datasheet, applicable to the MCF5212 family.

What debug interfaces are available on the MCF5212LCVM66J in the LQFP-64 package?

The MCF5212LCVM66J in LQFP-64 supports Background Debug Mode (BDM) via DEBUG_B+, DSI, DSO, and DSCLK pins, enabling in-circuit debugging and flash programming. However, the full JTAG/real-time trace interface described in the datasheet is limited to 100-pin packages; the LQFP-64 variant provides only the reduced BDM channel, not IEEE 1149.1 boundary-scan or processor status tracing.

Is the MCF5212LCVM66J pin-compatible with the MCF5213 series?

No, the MCF5212LCVM66J is not pin-compatible with MCF5213 variants in different packages. While both share the same LQFP-64 footprint, pin functions differ significantly - for example, MCF5213 LQFP-64 assigns certain GPIOs and peripheral signals differently than MCF5212. Table 3 (Pin Functions by Primary and Alternate Purpose) confirms distinct signal mappings, requiring PCB redesign for substitution.

What is the flash memory endurance specification for the MCF5212LCVM66J?

The MCF5212LCVM66J's 256 KB flash memory is rated for 10,000 program/erase cycles per block and 20-year data retention at 85°C, per SGFM Flash Module Life Characteristics (Table 24, MCF5213EC Rev. 3). These specifications apply identically to the MCF5212 family, as confirmed in the Family Configurations section and flash architecture description.