MCF5270AB100 - ColdFire V2 32-bit MCU 100MHz 160-QFP | NXP
MPN: MCF5270AB100 ✓ ActiveMCF5270AB100 Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, and peripheral interfaces on one die. The ColdFire V2 family is Freescale/NXP's lineage of variable-length RISC cores derived from the original m68k architecture, optimized for low-power and high code-density embedded designs. ColdFire MCUs sit in the taxonomy: microcontroller -> embedded processor -> 32-bit RISC microprocessor -> semiconductor IC. This places MCF5270AB100 in the high-integration MPU category suitable for industrial control and networking equipment.
Key features include the ColdFire V2 core with 100 MHz maximum clock frequency, 64 KB on-chip SRAM, ROMless external memory interface, and integrated peripherals such as Fast Ethernet MAC, USB, multiple UARTs, timers, and DMA. Operating temperature spans 0C to +105C, suitable for commercial and industrial environments. The 160-QFP package exposes the full external memory bus, supporting SRAM, DRAM, and flash expansion.
The ColdFire V2 core uses a 16/32-bit variable-length instruction set with hardware multiply/accumulate, balancing code density against MIPS throughput. On-chip integration reduces BOM count for industrial controllers, gateways, and POS terminals. The MAC/USB peripherals are wired directly to external PHYs via MII/RMII, enabling single-chip Ethernet connectivity for networking appliances.
Typical applications include industrial control, factory automation, networked embedded systems, point-of-sale terminals, and serial-protocol bridges. The 100 MHz core delivers ample throughput for TCP/IP stacks, while 64 KB SRAM buffers packets without external memory pressure. The ROMless configuration lets developers choose boot ROM/flash externally for firmware flexibility.
When designing with the MCF5270AB100, attention to decoupling capacitor placement near the 160-QFP power pins is critical, and the external memory bus requires matched-length routing to maintain signal integrity at 100 MHz. JTAG debug access should be brought to a header for boundary-scan and development.
This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Specifications trace to NXP/Freescale documentation and live distributor inventory data as of 2026-10-18.
Drop-in alternatives for MCF5270AB100 — 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 MCF5270AB100 (same form factor and footprint) — differing in Core Architecture, Ethernet MAC, Operating Temperature.
MCF5271CAB100
✅ Drop-InContact for price
View Datasheet →MCF5270AB100
✅ Drop-InContact for price
View Datasheet →MCF5270AB100 Maximum Ratings & Electrical Characteristics
| Core Architecture | ColdFire V2 (32-bit RISC) |
| Maximum Clock Frequency | 100 MHz |
| On-chip SRAM | 64 KB |
| Program Memory | ROMless (external) |
| Package | 160-QFP (28x28 mm) |
| Operating Temperature | 0C to +105C |
| Mounting Type | Surface Mount |
| Ethernet MAC | Integrated Fast Ethernet (MII/RMII) |
| USB Controller | Integrated USB 1.1 |
| JTAG Debug | Yes (Boundary Scan + BDM) |
MCF5270AB100 160-qfp (28x28 mm) Pin Configuration Guide
Pin configuration for MCF5270AB100 (160-qfp (28x28 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 MCF5270AB100.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF5270AB100 is suitable for 6 applications: Industrial Control and Factory Automation, Networked Embedded Systems and Gateways, Point-of-Sale Terminals, Serial Protocol Bridges and Converters, Building Automation and HVAC Controllers, Industrial Printer and Label Maker Controllers.
Industrial Control and Factory Automation
The MCF5270AB100 fits industrial control applications because its 100 MHz ColdFire V2 core delivers real-time throughput for PID loops and motion control, while the 0C to +105C operating range covers factory-floor thermal envelopes. The 64 KB on-chip SRAM buffers time-critical control variables without external memory contention. The integrated Fast Ethernet MAC enables networked PLCs and remote I/O modules, while JTAG/BDM support simplifies in-field firmware updates.
Recommended
Networked Embedded Systems and Gateways
The MCF5270AB100 is well suited for embedded gateways and protocol converters because its 100 MHz ColdFire V2 core runs TCP/IP stacks and serial protocol bridges simultaneously. The integrated Fast Ethernet MAC with MII/RMII interfaces directly to industrial PHYs without external controllers, while multiple UARTs connect to RS-232/RS-485 field buses. The 64 KB SRAM buffers network packets, and the ROMless external bus supports large flash for full TCP/IP firmware.
Recommended
Point-of-Sale Terminals
The MCF5270AB100 supports POS terminal designs where its 100 MHz ColdFire V2 core handles transaction processing and cryptography, while the integrated Ethernet MAC connects to payment networks and UARTs link to receipt printers and barcode scanners. The 160-QFP package supports hand-rework for prototype builds, and the 0C to +105C range covers retail-environment thermal conditions. The 64 KB on-chip SRAM reduces BOM cost.
Recommended
Serial Protocol Bridges and Converters
The MCF5270AB100 is ideal for serial protocol bridge applications because the ColdFire V2 core efficiently handles protocol conversion between UART, USB, and Ethernet interfaces. Its 100 MHz clock rate ensures low-latency translation between Modbus RTU, Modbus TCP, and custom industrial protocols. The integrated USB 1.1 controller supports device or host modes for legacy industrial peripherals, while the Ethernet MAC enables transparent bridging to TCP/IP networks.
Recommended
Building Automation and HVAC Controllers
The MCF5270AB100 serves building automation controllers because the ColdFire V2 core runs BACnet or Modbus stacks while the Ethernet MAC connects to building management networks. Its 0C to +105C operating range handles unconditioned equipment-room environments. The 64 KB SRAM buffers sensor data and control schedules, and the integrated peripherals reduce external component count, lowering total BOM cost for high-volume building controller deployments.
Recommended
Industrial Printer and Label Maker Controllers
The MCF5270AB100 drives industrial printer controllers because its 100 MHz ColdFire V2 core processes print data streams, font rendering, and motor control loops in real time. The integrated USB and Ethernet interfaces support host connectivity, and the external memory bus interfaces directly to label buffer DRAM and flash storage. The 160-QFP package supports robust thermal performance for continuous-duty industrial printing environments.
Recommended
Recommended Products Summary
Engineering reference data for MCF5270AB100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5271CAB100 | MCF5270AB100 |
|---|---|---|---|
| Package | 160-QFP (28x28 mm) | 160-QFP - same | 160-QFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V2 32-bit | ColdFire V2 32-bit - same | ColdFire V2 32-bit - same |
| Clock Frequency | 100 MHz | 100 MHz - same | 100 MHz - same |
| On-chip SRAM | 64 KB | 64 KB - same | 64 KB - same |
| Ethernet MAC | Fast Ethernet (MII/RMII) | Fast Ethernet (MII/RMII) - same | Fast Ethernet (MII/RMII) - same |
| USB Controller | USB 1.1 | USB 1.1 - same | USB 1.1 - same |
| Operating Temperature | 0C to +105C | 0C to +105C - same | 0C to +105C - same |
| Peripheral Set | Base (UARTs, timers, DMA) | Enhanced (more UARTs, timers, DMA channels) | Base - same as this part |
Key Differentiators
- Pin-compatible upgrade path to MCF5271 with expanded peripherals (vs MCF5271CAB100)
- ColdFire V2 32-bit core at 100 MHz with 64 KB on-chip SRAM (vs MCF5270AB100 (same))
Design Notes
Place 0.1uF ceramic decoupling capacitors as close as possible to every VCC/GND pair of the 160-QFP package. Add bulk tantalum or polymer capacitors (10-47uF) near the package corners to handle core-current transients during DMA bursts. The ColdFire V2 core can draw significant inrush during clock-gate transitions, so a low-ESR bulk cap within 1 cm of the package is recommended.
Route the external memory bus (address, data, chip-selects) with matched-length traces and 50-ohm controlled impedance. At 100 MHz core clock, the bus runs at 50 MHz external and signal integrity degrades rapidly with skew above 1 ns between byte lanes. Keep bus traces short (under 10 cm to memory), use ground-reference planes, and avoid vias on critical byte lanes.
Keep the Ethernet MAC MII/RMII traces short (under 5 cm) and length-matched within 50 mil between clock and data pairs. Place the external PHY within 50 mm of the MCF5270AB100 to minimize EMI. Use a ground moat around the Ethernet signals to isolate them from noisy digital bus traces, and terminate differential pairs with 100-ohm impedance to the PHY.
Compliance Information
Compliance data not present in verified web data; set to unknown per Data Authenticity Rules. The MCF5270AB100 is not AEC-Q100 qualified (industrial/commercial MPU).
