MCF5212LCVM66 - ColdFire V2 66MHz 256KB Flash MCU | NXP
MPN: MCF5212LCVM66 ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCF5212LCVM66 Overview
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters on one die. Within the semiconductor hierarchy, the MCF5212 belongs to the embedded processor family descended from the Motorola 68000 architecture, which NXP (formerly Freescale Semiconductor) continues under the ColdFire brand. MCUs like this one sit at the device level of embedded systems, coordinating sensors, actuators, and communication links in industrial and consumer products.
Key features of the MCF5212 include cost-effective, low-power single-chip operation with up to 521 KB of near-single-access, interleaved and securable embedded flash memory across the MCF521X family. According to NXP product data, the device integrates DMA, I2C, LVD (low-voltage detect), POR (power-on reset), PWM, and watchdog timer (WDT) peripherals, providing the building blocks for autonomous embedded control without external glue logic.
On the technical side, the ColdFire V2 core executes a variable-length RISC instruction set that delivers strong code density and mature toolchain support through the CodeWarrior development environment. Three UARTs enable medium-to-long-distance serial communication, while SPI and I2C interfaces handle board-level connectivity to sensors, EEPROMs, and displays. The 256 KB on-chip flash supports in-system programming, and the 32 KB SRAM accommodates stack, heap, and real-time data buffers for typical control loops.
Typical applications include industrial control panels, building automation nodes, motor control front-ends, and legacy system maintenance where ColdFire code bases must be preserved. The 81-MAPBGA footprint suits compact, two-sided PCB assemblies requiring a high pin count in a 10x10 mm body.
A key design consideration is lifecycle status: NXP has designated the MCF5212LCVM66 as NRND (Not Recommended for New Designs), so new projects should evaluate the MCF5213 or migrate to supported families, while existing designs can continue sourcing for production maintenance. Verify temperature grade and ordering suffix compatibility before substitution.
This page synthesizes distributor pricing context, drop-in alternatives, practical design notes, and lifecycle guidance not consolidated in the manufacturer datasheet, helping engineers make sourcing decisions faster.
Drop-in alternatives for MCF5212LCVM66 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCF5212LCVM66 (same form factor and footprint) — differing in Package, DMA Channels, Core Architecture, Supply Voltage, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5212LCVM66J
✅ Drop-In✓ In Stock
$9.88 / Unit
View Datasheet →MCF5212LCVM66-NXP
✅ Drop-In📋 Reference alternative (not in catalog)
MCF5213LCVM66J
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$12.2 / Unit
View Datasheet →MCF5213CAF66
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$19.82 / Unit
View Datasheet →MCF5212LCVM66 Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V2 (MCF521x) |
| Core Size | 32-Bit |
| Maximum Clock Frequency | 66 MHz |
| Flash Memory | 256 KB (256K x 8) |
| SRAM | 32 KB |
| Supply Voltage | 3.3 V |
| Package | 81-MAPBGA (10x10 mm) |
| Number of Pins | 81 |
| Mounting Type | Surface Mount |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Interfaces | I2C, SPI, UART, USART |
| Number of UARTs | 3 |
| Product Family | MCF521x KIRIN (MCF521X) |
| Family Flash Range | Up to 521 KB (MCF521X family) |
| Packaging | Tray |
MCF5212LCVM66 81-mapbga (10x10 mm) Pin Configuration Guide
Pin configuration for MCF5212LCVM66 (81-mapbga (10x10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MCF5212LCVM66.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF5212LCVM66 is suitable for 6 applications: Industrial Control Panels, Building Automation Nodes, Motor Control Front-Ends, Legacy System Maintenance, Embedded Communication Gateways, Test and Measurement Instrumentation.
Industrial Control Panels
The MCF5212LCVM66 fits industrial control panel controllers where deterministic serial networking and supervisory functions dominate. Its 66 MHz ColdFire V2 core executes Modbus RTU frames on three UARTs while the integrated watchdog timer guarantees recovery from field-induced lockups, and low-voltage detect plus power-on reset provide predictable boot behavior on electrically noisy factory floors. The PWM module drives contactors, dampers, and small actuators directly with minimal CPU load thanks to the DMA controller. The 81-MAPBGA 10x10 mm package keeps controller PCBs compact for DIN-rail mounting. With 256 KB flash, the part stores protocol stacks, ladder-interpreter code, and calibration tables; the NRND status means this fits best in sustaining programs maintaining validated panel designs rather than new panel platforms.
Recommended
Building Automation Nodes
Building automation controllers benefit from the MCF5212LCVM66's three UART channels, which natively map to RS-485 BACnet MS/TP or Modbus field buses connecting thermostats, dampers, and sensor loops. The I2C and SPI interfaces attach environmental sensors and EEPROMs for configuration storage, while the DMA engine offloads serial transfers so the 66 MHz core sustains scheduling of multiple networked zones. The 32 KB SRAM holds point tables and trend logs typical of small nodes, and 256 KB flash leaves room for OTA-style field update loaders. Low power consumption supports unattended operation, and the securable flash protects proprietary control algorithms. As the part is NRND, it is best suited to maintaining installed automation fleets with validated MCF5212 firmware rather than new node designs.
Recommended
Motor Control Front-Ends
The MCF5212LCVM66 serves as a supervisor and communication front-end in small motor drive systems. Its hardware PWM outputs generate gate or speed-command signals while the DMA keeps UART traffic - setpoint commands over Modbus, status telemetry - flowing without CPU intervention on the 66 MHz ColdFire V2 core. The watchdog timer enforces fail-safe shutdown if firmware hangs, a critical safety behavior in rotating equipment. Three UARTs let one MCU service a drive, an HMI, and a field bus simultaneously. The 256 KB flash holds PI-loop tuning tables, fault logs, and protocol stacks within the 32 KB SRAM working set. Because the device lacks a high-resolution ADC on this suffix, pair it with external sensing or a family member with richer analog, and note NRND status limits new drive platforms.
Recommended
Legacy System Maintenance
The primary ongoing role of the MCF5212LCVM66 is keeping fielded ColdFire-based systems alive - medical lab instruments, test fixtures, and industrial equipment designed in the Freescale era. The part's value here is binary compatibility: existing CodeWarrior projects and validated firmware re-run unchanged, avoiding the compiler, driver, and RTOS porting cost of an ARM migration. Authorized channels such as Rochester Electronics (listed as MCF5212LCVM66-NXP at DigiKey Marketplace) provide aftermarket supply, and the suffix variant MCF5212LCVM66J offers an identical die for BOM continuity. Engineers should secure lot-consistent buffer stock given NRND status, track NXP product change notices, and plan a final-time-buy horizon so end-of-life does not strand service inventory.
Recommended
Embedded Communication Gateways
Protocol gateway designs use the MCF5212LCVM66 to translate between serial networks - its three UARTs simultaneously terminate a Modbus field bus, an RS-232 service port, and a device-level link, while SPI connects to CAN or Ethernet offload controllers via SPI-to-network bridges. The 66 MHz core sustains tens of thousands of small frames per second, and the DMA controller buffers traffic so the CPU focuses on protocol state machines. Low-voltage detect guards data integrity during brownouts common in industrial cabinets, and the securable flash region protects configuration credentials. The 81-MAPBGA package's 10x10 mm footprint suits gateway DIN-rail and DIN-rail-adjacent form factors. Target sustaining gateway programs here; NRND status makes the part inappropriate for new gateway platforms.
Recommended
Test and Measurement Instrumentation
Bench and portable instruments use the MCF5212LCVM66 as a control engine managing front-panel interfaces, calibration storage, and host communication. The SPI and I2C buses configure precision data converters and programmable gain stages, while a UART provides SCPI-style command links to PCs. The 256 KB securable flash protects factory calibration constants and firmware IP; the DMA supports continuous data streaming into the 32 KB SRAM buffer. Deterministic ColdFire V2 timing at 66 MHz keeps measurement sequencing jitter low, and the watchdog guarantees instrument recovery during host-driven stress tests. The 81-MAPBGA package integrates cleanly into multi-layer instrument main boards. Given NRND status, the part suits maintenance of qualified instruments where re-certification cost makes board redesign uneconomical.
Recommended
Recommended Products Summary
Engineering reference data for MCF5212LCVM66 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5212LCVM66J | MCF5212LCVM66-NXP | MCF5213LCVM66J | MCF5213CAF66 |
|---|---|---|---|---|---|
| Package | 81-MAPBGA (10x10 mm) | 81-MAPBGA (10x10 mm) - same | 81-MAPBGA (10x10 mm) - same | 81-MAPBGA (10x10 mm) - same | 81-MAPBGA (10x10 mm) - same family footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP (Rochester Electronics aftermarket) | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V2 (MCF521x) | ColdFire V2 - identical | ColdFire V2 - identical | ColdFire V2 - identical | ColdFire V2 - identical |
| Max Frequency | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 512 KB | 256 KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Identical-die sourcing flexibility (vs MCF5212LCVM66J)
- Flash upgrade headroom in the same footprint (vs MCF5213LCVM66J)
- Aftermarket availability channel (vs MCF5212LCVM66-NXP (Rochester Electronics))
Design Notes
The 81-MAPBGA (10x10 mm) uses a fine-pitch ball grid requiring an exact NXP-recommended land pattern with dogbone or via-in-pad fanout on the interior grid. Place a solid, unbroken ground plane on layer 2 directly beneath the die to reference all signal returns and help thermal spreading. Distribute 100 nF ceramic decoupling capacitors across the supply ball cluster, one per pair of power/ground balls, with bulk 10 uF near the regulator. Follow NXP BGA reflow application notes - BGA rework is costly, so verify land pattern against the datasheet before PCB fabrication.
The part is NRND: do not start new designs on MCF5212LCVM66. Before ordering, confirm the exact ordering suffix - the J-suffix variant differs in lead finish/grade and purchasing the wrong suffix can invalidate customer qualifications. When substituting MCF5213 for MCF5212, remap flash addresses if linker scripts hardcode 256 KB boundaries; the larger 512 KB flash changes the reset configuration area. Also program the write-protection and security bits deliberately - the family flash is securable, and an accidental mass-erase protection can lock field units.
Run the device at 3.3 V with clean sequencing relative to any external flash, transceivers, or ADCs on the board. The integrated power-on reset and low-voltage detect peripherals provide brownout protection, but set LVD trip thresholds appropriate for your supply rail tolerance. Estimated: check total I/O loading when budgeting supply current, since 3.3 V GPIO drive into RS-485 terminations and LED indicators can dominate the budget relative to core current at 66 MHz. Follow the MCF521x datasheet power section for exact numbers rather than assuming family-typical values.
At 66 MHz core frequency, keep crystal and clock traces short, guarded by ground, and away from UART/RS-485 switching lines. For the three UART channels driving long cables, place transient protection and proper isolation (optocouplers or digital isolators) on RS-485/RS-232 transceiver lines, since industrial environments inject surges beyond MCU absolute maximum ratings. Route BGA fanout breakout traces symmetrically to avoid skew on parallel-addressed external buses if used, and reserve test points on the JTAG/debug balls - ColdFire BDM access is essential since reflowed BGA packages cannot be probed directly.
Compliance Information
Compliance data was not stated in the verified web results. Consult the official NXP product page (Environmental Quality section) for RoHS/REACH status of this exact ordering code.