MCF5216CVM66 - 66MHz ColdFire V2 MCU 512KB Flash | NXP
MPN: MCF5216CVM66 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.65 | $166.50 |
| 100 | $14.8 | $1,480.00 |
| 500 | $13.25 | $6,625.00 |
| 1,000 | $11.9 | $11,900.00 |
MCF5216CVM66 Overview
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded-processing hierarchy: microcontroller -> embedded processor -> system-on-chip. The MCF521x family belongs to the ColdFire V2 lineage originally developed by Freescale Semiconductor, now part of NXP Semiconductors, and targets cost-sensitive, low-power single-chip control applications.
Key features of the MCF5216 include 512 KB of high-performance, near-single-access, interleaved and securable embedded flash (up to 521 KB per the MCF521x family description), 64 KB of SRAM, and a rich communication peripheral set. Three UARTs enable medium-to long-distance serial connectivity, and additional serial peripherals support easy interfacing to other systems, which reduces external component count and board cost.
Technically, the ColdFire V2 core is a variable-length RISC architecture (a derivative of the 68K family) with a 32-bit internal bus, delivering efficient code density for C-compiled firmware. The interleaved flash architecture allows near-single-cycle access at 66 MHz without expensive zero-wait-state SRAM mirroring, a key differentiator of the MCF521x memory subsystem.
Typical applications include industrial control panels, building automation and HVAC controllers, medical instrumentation front ends, and legacy networking equipment, where 512 KB of on-chip flash and multiple UARTs cover both program storage and connectivity needs in one chip.
Design consideration: because NXP has classified this part as NRND (Not Recommended for New Designs), new projects should evaluate the MCF528x family or secure last-time-buy stock; the 256-MAPBGA footprint and 17x17 mm ball map must be confirmed against the target device before any footprint reuse.
This page synthesizes verified distributor listings, lifecycle status from the NXP product page, drop-in same-package alternatives, and practical sourcing guidance not found in the manufacturer datasheet.
Drop-in alternatives for MCF5216CVM66 — 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 MCF5216CVM66 (same form factor and footprint) — differing in Program Memory Size, Number of I/O, Package, Connectivity, Series.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5280CVM66J
✅ Drop-In✓ In Stock
$0.8 / Unit
View Datasheet →MCF5282CVM66J
✅ Drop-In✓ In Stock
$16.2 / Unit
View Datasheet →MCF52252CAF66
✅ Drop-In✓ In Stock
$6.75 / Unit
View Datasheet →MCF5216CVM66 Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V2 (MCF521x) |
| Core Size | 32-bit |
| Speed | 66 MHz |
| Program Memory Size | 512 KB (512K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 64K x 8 |
| Number of I/O | 142 |
| Supply Voltage | 3.3 V |
| Package / Case | 256-MAPBGA (17x17) |
| Mounting Type | Surface Mount |
| Series | MCF521x |
| Architecture | ColdFire V2 RISC (68K derivative) |
| UARTs | 3 |
| Flash Feature | Interleaved, securable embedded flash |
| Family Positioning | Cost-effective, low-power single-chip solution |
MCF5216CVM66 256-mapbga (17x17) Pin Configuration Guide
Pin configuration for MCF5216CVM66 (256-mapbga (17x17) 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 MCF5216CVM66.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF5216CVM66 is suitable for 6 applications: Industrial Control Panels, Building Automation and HVAC Controllers, Medical Instrumentation Front Ends, Legacy Networking and Serial Equipment, Test and Measurement Instrumentation, Automotive Off-Highway and Diagnostic Tools.
Industrial Control Panels
The MCF5216CVM66 fits industrial control panels because its 142 GPIO lines and 66 MHz ColdFire V2 core can directly drive relay matrices, keypads, and HMI displays without external logic expansion. The 512 KB interleaved flash accommodates protocol stacks (Modbus RTU, custom fieldbus) plus a boot loader with room to spare, while 64 KB SRAM buffers process variables and communication frames. In a typical panel design, the three UARTs connect simultaneously to a local HMI, a fieldbus gateway, and a diagnostic port at 115200 baud each. Because the entire controller is one chip at 3.3 V, designers save board area and bill-of-material cost compared with discrete CPU-plus-memory solutions, an explicit goal of the MCF521x family as a cost-effective single-chip solution.
Recommended
Building Automation and HVAC Controllers
Building automation nodes benefit from the MCF5216's combination of three UARTs and generous flash: one UART handles BACnet MS/TP or Modbus RTU field traffic, a second services a local service port, and a third links to a display module. The 512 KB securable flash allows firmware partitioning so a resident boot loader can be write-protected from field updates - important for multi-tenant building infrastructure with long service lives. At 66 MHz, the V2 core executes PID control loops for damper and valve actuation with deterministic headroom, and the 3.3 V, single-chip architecture keeps standby power low for constantly-powered thermostats and air-handling-unit controllers. Legacy HVAC platforms already standardized on MCF521x silicon can maintain production through this NRND part or migrate to the MCF5280CVM66J.
Recommended
Medical Instrumentation Front Ends
Benchtop medical devices such as blood analyzers, infusion-station controllers, and diagnostic instruments historically adopted the MCF521x for its 512 KB embedded flash, which stores calibration tables, UI assets, and communication firmware without external memory. The securable flash feature supports patient-data and IP protection by locking boot regions - relevant to design-house confidentiality requirements. The 66 MHz core provides sufficient throughput for filtering and scaling of sampled physiological signals while a dedicated UART streams results to a hospital information system. Because medical platforms carry long certification cycles (IEC 60601 paths), many designs remain on ColdFire V2 silicon; this makes the NRND MCF5216CVM66 valuable for service production, while the pin-compatible MCF5280CVM66J provides a documented continuity path if allocation tightens.
Recommended
Legacy Networking and Serial Equipment
Serial-device servers, terminal controllers, and legacy gateways exploit the MCF5216's three UARTs to bridge RS-232/RS-485 equipment toward higher-level controllers. The MCF521x family overview highlights that its communication peripherals provide easy connection to other systems - exactly the requirement of protocol-conversion appliances. With 512 KB of flash, a device can hold TCP/IP-style framing layers, command parsers, and configuration stores locally. The 17x17 mm, 0.8 mm-pitch 256-ball BGA footprint yields a compact 35 mm-class mainboard that slots into DIN-rail or 19-inch chassis. Equipment makers sustaining installed bases of such appliances should pair procurement of the NRND MCF5216CVM66 with qualification of the MCF5282CVM66, which adds an on-chip Ethernet MAC for future networked firmware variants.
Recommended
Test and Measurement Instrumentation
Bench instruments, data loggers, and rack controllers use the MCF5216CVM66 as the system supervisor managing front-panel interfaces, calibration data, and internal communication buses. The 66 MHz core leaves headroom for periodic self-test routines and IEEE-style command parsing, while 64 KB of SRAM holds acquisition buffers between transfers. The 142 I/O lines directly control relays, range-switching arrays, and status LEDs without port expanders, trimming BOM cost in cost-sensitive bench platforms. Its 3.3 V I/O also simplifies interfacing with modern ADCs and FPGAs used on the measurement side. Since instrument lifecycles routinely exceed semiconductor lifecycles, the NRND classification matters less for sustaining existing products than for new designs, which should start on MCF528x or ARM-based alternatives with active lifecycle status.
Recommended
Automotive Off-Highway and Diagnostic Tools
Off-highway equipment controllers and workshop diagnostic tools that predate CAN-centric ECUs frequently standardized on ColdFire V2 silicon for rugged, flash-dense control. The MCF5216CVM66's securable flash protects proprietary calibration algorithms in fleet tools, while the three UARTs interface J1708-style serial links, displays, and PC diagnostic adapters concurrently. The 0 to wide-range industrial-grade construction and 3.3 V single-supply operation ease integration into 12 V/24 V systems via a simple buck pre-regulator. At 66 MHz the V2 core executes fault-code processing and trend logging deterministically. For current tooling platforms, NXP's SPC56 automotive MCUs (SPC5644AF0MLU2, SPC5602BF2MLL6) offer actively supported upgrade paths, with the MCF5280CVM66J as the minimal-change, same-footprint continuity option for existing ColdFire boards.
Recommended
Recommended Products Summary
Engineering reference data for MCF5216CVM66 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5280CVM66J | MCF5282CVM66 | MCF52252CAF66 |
|---|---|---|---|---|
| Package | 256-MAPBGA (17x17) | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | LQFP - different (not ball-map compatible) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | ColdFire V2 / 66 MHz | ColdFire V2 / 66 MHz | ColdFire V2 / 66 MHz | ColdFire V2 / 66 MHz |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Ball-map compatibility with MCF5216CVM66 | Reference | Same package class - verify ball map vs datasheet | Same package class - verify ball map vs datasheet | Not compatible (LQFP) |
Key Differentiators
- Lowest-cost entry into 512 KB single-chip ColdFire (vs MCF5282CVM66)
- Interleaved, securable embedded flash (vs MCF5280CVM66J)
- Sustained availability via same-package family (vs MCF5280CVM66J)
Design Notes
The MCF5216CVM66 is NRND per the NXP product page. Do not start new designs on this device: plan a last-time-buy sized to your full production horizon plus attrition stock, and open a parallel qualification of the MCF5280CVM66J (same 256-MAPBGA package) as a continuity option. Verify current lifecycle and PCN notifications on nxp.com before committing volume orders, because NRND parts can progress to not-recommended-for-any-use or last-time-buy announcements with limited notice.
The 256-ball MAPBGA with a 17x17 mm body requires a controlled ball-land pattern per the mechanical drawing in the MCF5216 documentation; typical 0.8 mm ball pitch BGA layout practice applies. Because the MCF5280CVM66J and MCF5282CVM66 share the same package outline, you can lay out one footprint usable by all three, but confirm every ball assignment against both datasheets before release - peripheral multiplexing differs between the MCF521x and MCF528x families.
The device operates from a 3.3 V supply per verified distributor data. Derive the 3.3 V rail from a low-noise LDO or buck converter with adequate decoupling at the BGA ball positions; core and I/O supply architecture and exact current figures are defined in the MCF5216 reference manual on the NXP product page - consult it rather than estimating. Estimated: for a 66 MHz ColdFire V2 drawing on the order of tens of milliamperes, a 500 mA-class 3.3 V regulator provides comfortable margin including 142 I/O switching loads.
Compliance Information
The NXP product page maintains an Environmental Quality section listing RoHS/REACH status per ordering code; consult it directly for certified values for the CVM66 suffix.
