MCF52223CAF80 - 32-bit ColdFire V2 MCU 80MHz 256KB | NXP
MPN: MCF52223CAF80 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCF52223CAF80 Overview
A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals on one die, forming the heart of embedded control systems within the broader hierarchy of processors. The MCF52223 belongs to the ColdFire family of reduced instruction set computing (RISC) microprocessors originally developed by Freescale Semiconductor, now part of NXP. Within that lineage it sits in the MCF5222x family, above smaller flash parts such as the MCF52221 and alongside higher-memory siblings in the MCF522xx series.
Key features include the ColdFire V2 RISC core delivering up to 76 MIPS (Dhrystone 2.1) at 80 MHz, 256KB (256K x 8) of Flash program memory, and a USB FS OTG controller that removes the need for an external USB device chip in connectivity-oriented designs. Per the MCF52223 family description, this part is pin-to-pin compatible with the MCF52221 in like packages and adds additional SRAM and Flash to the standard MCF5222x peripheral set.
Technically, the V2 core implements a variable-length RISC instruction set with a pipeline optimized for compact code density, and the CAF80 speed-grade ordering suffix denotes the 80 MHz industrial speed option in the 100-lead QFP. The device operates from a 3.3 V supply per distributor data, with the integrated USB FS OTG module supporting host, device, and OTG roles.
Typical applications include industrial control panels, USB-enabled instrumentation, building automation nodes, and legacy embedded designs where ColdFire code compatibility must be preserved. The combination of on-chip Flash, USB OTG, and 100-pin I/O expansion fits control and communication tasks in a single-chip footprint.
Design consideration: NXP lists this part as End of Life, so new designs should evaluate lifecycle risk, and existing designs should secure last-time-buy inventory or qualify a drop-in family member before production.
This page synthesizes distributor listings, cross-reference comparisons, and lifecycle data into a single engineering reference not found on any single datasheet.
Drop-in alternatives for MCF52223CAF80 — 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 MCF52223CAF80 (same form factor and footprint) — differing in Package, ADC, Ethernet, Timers, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF52223CAF66
✅ Drop-In📋 Reference alternative (not in catalog)
MCF52221CAF80
✅ Drop-In✓ In Stock
$9.95 / Unit
View Datasheet →MCF52252CAF66
✅ Drop-In✓ In Stock
$6.75 / Unit
View Datasheet →MCF52252AF80
✅ Drop-In📋 Reference alternative (not in catalog)
MCF52264AF80
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MCF5213CAF80
✅ Drop-In✓ In Stock
$10.6 / Unit
View Datasheet →MCF5213CAF66
✅ Drop-In✓ In Stock
$19.82 / Unit
View Datasheet →MCF52223CAF80 Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V2 (MCF5222x) |
| Core Size | 32-bit |
| Maximum Clock Frequency | 80 MHz |
| Performance | Up to 76 MIPS (Dhrystone 2.1) at 80 MHz |
| Flash Memory | 256KB (256K x 8) |
| Supply Voltage | 3.3 V |
| USB | USB Full-Speed On-The-Go (OTG) |
| Package | 100-LQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Data Bus Width | 32 bit |
| Product Series | MCF522x (MCF5222x) |
| Packaging | Tray |
| Lifecycle Status | End of Life (per NXP product page) |
MCF52223CAF80 100-lqfp (14x14 mm) Pin Configuration Guide
Pin configuration for MCF52223CAF80 (100-lqfp (14x14 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 MCF52223CAF80.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF52223CAF80 is suitable for 6 applications: Industrial Control Panels, USB Instrumentation and Test Equipment, Building Automation Nodes, Legacy Embedded System Maintenance, USB Peripheral and OTG Device Design, Motor Control and Actuation Systems.
Industrial Control Panels
The MCF52223CAF80 fits industrial control panel designs because its 32-bit ColdFire V2 core delivers up to 76 MIPS at 80 MHz, providing enough headroom for real-time control loops, HMI update logic, and communication handling in a single chip. Its 256KB on-chip Flash accommodates protocol stacks and control firmware without external memory, and the 3.3V supply simplifies integration with modern industrial I/O. In a typical implementation the MCU sequences relays and sensors through the MCF5222x peripheral set while the 100-LQFP (14x14 mm) package offers generous pin count for parallel I/O expansion. Because the part is End of Life, new panel designs should pair it with a lifecycle plan or a pin-compatible family member qualification.
Recommended
USB Instrumentation and Test Equipment
Bench instruments, data loggers, and PC-connected measurement modules benefit directly from the integrated USB Full-Speed On-The-Go controller of the MCF52223CAF80, which supports host, device, and OTG roles at 12 Mbps without an external USB interface chip. At 80 MHz (76 MIPS Dhrystone 2.1), the ColdFire V2 core handles sampling coordination, command parsing, and USB transaction processing concurrently. The 256KB Flash stores instrument firmware plus USB descriptors and command sets, while the 100-pin LQFP exposes the ADC, timer, and GPIO interfaces typical of measurement front ends. The trade-off is lifecycle risk: with the device End of Life, instrument makers should secure last-time-buy stock or migrate to a supported MCU for future production runs.
Recommended
Building Automation Nodes
Building automation controllers - HVAC zone controllers, lighting gateways, and access-control nodes - historically used the MCF52223CAF80 for its balance of 80 MHz 32-bit processing, 256KB Flash for protocol firmware, and single-chip USB for commissioning laptops. The ColdFire V2 core executes control algorithms and network messaging deterministically, while the MCF5222x peripheral set supports the timers and serial interfaces needed for sensor and actuator buses. The 3.3V, 100-LQFP implementation keeps board area compact at 14x14 mm for dense controller boards. Because the part is End of Life, service organizations maintaining installed fleets should stock spares now, and new node designs should target a currently supported architecture with equivalent USB and Flash capability.
Recommended
Legacy Embedded System Maintenance
A primary remaining use case for the MCF52223CAF80 is sustaining legacy embedded products whose firmware was written against the ColdFire V2 instruction set. Rewriting decades of validated ColdFire code for ARM is costly, so maintenance engineers frequently prefer procuring EOL die or qualifying pin-compatible family members such as the MCF52221CAF80, which FindIC confirms is pin-to-pin compatible in like packages. The CAF80's 256KB Flash and 80 MHz core match the original design assumptions exactly, so no timing or memory recalculation is needed. Recommended practice: verify remaining distributor stock via Octopart's 2 tracked sources, perform a functional regression test on the replacement lot, and document the substitution for configuration control.
Recommended
USB Peripheral and OTG Device Design
Devices that must speak USB directly to PCs, printers, or memory sticks - such as card readers, small printers, and data transfer terminals - leverage the MCF52223CAF80's USB FS OTG module. OTG support means the same port can act as a device when connected to a PC and as a limited host when driving USB peripherals, eliminating a second controller. The 80 MHz core sustains Full-Speed (12 Mbps) throughput with margin for protocol processing, and 256KB Flash holds both application and USB class firmware. Note that USB compliance testing should be re-run on any substitute speed grade; the 66 MHz CAF66 variant changes only core frequency, not the USB module, so USB behavior is preserved between the two.
Recommended
Motor Control and Actuation Systems
The MCF5222x peripheral set of the MCF52223CAF80 includes timers and general-purpose I/O suitable for PWM generation and closed-loop actuation in light industrial motor control and positioning systems. The 32-bit ColdFire V2 core at 80 MHz computes PI control loops and commutation sequencing with substantial margin, while 256KB Flash retains control tables, parameter storage, and firmware in one chip. The 100-pin LQFP supplies enough I/O to drive gate interfaces, encoders, and safety interlocks directly. Designers should verify the exact operating temperature range in the NXP datasheet for enclosure environments, and because the part is End of Life, motor-control programs should evaluate the MCF52264AF80 or migrate to supported silicon for future builds.
Recommended
Recommended Products Summary
Engineering reference data for MCF52223CAF80 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF52223CAF66 | MCF52221CAF80 | MCF52252AF80 | MCF52264AF80 |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP - same footprint (like packages) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) |
| Brand | NXP Semiconductors (legacy Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | ColdFire V2, 32-bit RISC | ColdFire V2, 32-bit RISC | ColdFire V2, 32-bit RISC | ColdFire V2, 32-bit RISC | ColdFire V2, 32-bit RISC |
| Max Frequency | 80 MHz (76 MIPS Dhrystone 2.1) | 66 MHz | 80 MHz | 80 MHz | 80 MHz |
| Pin-to-Pin Compatibility | Reference part | Yes - identical device, lower speed | Yes (in like packages, per FindIC) | Verify pinout in datasheet | Verify pinout in datasheet |
Key Differentiators
- Highest speed grade in the MCF52223 sub-family (vs MCF52223CAF66)
- Larger on-chip memory than the pin-compatible MCF52221 (vs MCF52221CAF80)
- Integrated USB FS OTG (vs MCF5213CAF80)
- Lifecycle limitation (vs MCF52252AF80)
Design Notes
The MCF52223CAF80 is End of Life per the NXP product page. Before committing a design or continuing production, contact NXP or authorized excess distributors (Rochester Electronics, Sierra IC) about last-time-buy quantities and remaining wafer/die availability. Estimated risk: once distributor stock (currently tracked at 2 sources on Octopart) is exhausted, only broker-market parts of uncertain provenance remain, which is unacceptable for certified products.
For the USB FS OTG interface, route D+/D- as a matched 90-ohm differential pair kept as short as practical, and place the USB termination resistors per the NXP MCF52223 datasheet reference design. At 80 MHz core operation, use a solid ground plane under the 14x14 mm LQFP and decouple each VDD pin with 100 nF ceramics plus one bulk 10 uF capacitor near the supply entry. Follow the USB compliance layout guidance in the device datasheet's USB chapter rather than generic layouts.
The 100-LQFP (0.5 mm lead pitch) requires solder paste stencil apertures reduced to about 90% to prevent bridging on the fine-pitch perimeter. Design the footprint directly from the NXP datasheet land pattern rather than generic library parts, because multiplexed signal functions mean several pins carry high-speed USB or clock signals whose return paths must be planned. Keep the 3.3V rail plane continuous under the package and place decoupling within 2 mm of the pins. Estimated: this standard practice avoids most reflow defects seen on 0.5 mm pitch QFP assemblies.
Compliance Information
Compliance status must be confirmed on the NXP product page Environmental Quality section for MCF52223CAF80; distributor summary data did not state RoHS/REACH status.