MCF52110CAE66 - ColdFire V2 32-bit MCU 128KB Flash 66MHz | NXP
MPN: MCF52110CAE66 ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
MCF52110CAE66 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and a rich peripheral set. The ColdFire V2 core is a variable-length instruction-set architecture derived from the original Motorola 68k, offering higher code density and lower memory cost than fixed-length RISC cores. Within NXP's product taxonomy, this places the MCF52110CAE66 in the ColdFire 32-bit MCU family, sitting between low-cost 8/16-bit MCUs and higher-power Cortex-M parts.
Key features include 128 KB of embedded Flash (organized as 128K x 8), 16 KB SRAM, three UARTs, one SPI controller, and two I2C interfaces per the family datasheet. The device is part of the power-sensitive MCF521xx series, making it suitable for industrial and consumer designs where energy budget is constrained. The ColdFire V2 core runs at up to 66 MHz providing approximately 56 MIPS of computational throughput.
The MCF52110CAE66 architecture integrates an enhanced multiply-accumulate (eMAC) unit and a hardware divider, accelerating DSP-style inner loops without external coprocessors. Its peripheral set is multiplexed through the chip's crossbar to reduce pin count and simplify PCB layout, while the 64-pin LQFP gives sufficient I/O for typical industrial HMI, sensor hub, and motor-control auxiliary designs.
Typical applications include industrial control modules, building automation, point-of-sale terminals, serial-bridge gateways, and low-end human-machine interface controllers. The combination of 128 KB Flash and three UARTs also makes it a useful platform converter between legacy RS-232/485 industrial networks and modern SPI/I2C peripherals.
A key design consideration when migrating off the MCF52110CAE66 is that the part is moving through NXP's product-change notice pipeline. Designers requiring multi-year continuity should evaluate the NXP Kinetis or LPC5411x series as the modern replacement path, while still using the MCF52110CAE66 in long-life industrial designs with validated firmware.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the MCF52110CAE66 not aggregated on the manufacturer product page, helping engineers verify availability, lifecycle status, and parametric compatibility.
Drop-in alternatives for MCF52110CAE66 — 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 MCF52110CAE66 (same form factor and footprint) — differing in Package, RoHS Status, Supply Voltage, Core, Data Bus Width.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF52110CAE80
✅ Drop-In✓ In Stock
$11.5 / Unit
View Datasheet →MCF52100CAE66
✅ Drop-In✓ In Stock
$5.09 / Unit
View Datasheet →MCF52210CAE66
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
LPC54114J256BD64
✅ Drop-In📋 Reference alternative (not in catalog)
MCF52110CAE66 Maximum Ratings & Electrical Characteristics
| Core | ColdFire V2 (32-bit) |
| Series | MCF521xx |
| Maximum CPU Frequency | 66 MHz |
| Program Memory | 128 KB Flash (128K x 8) |
| RAM | 16 KB |
| Supply Voltage | 3.3 V |
| Package | 64-LQFP (10 mm x 10 mm) |
| Mounting Type | Surface Mount |
| UART | 3 |
| SPI | 1 |
| I2C | 2 |
| Pin Count | 64 |
| Tray Quantity | Tray packaging |
| RoHS Status | Compliant |
| Instruction Set | ColdFire (68k-derived, variable-length) |
MCF52110CAE66 64-lqfp (10 mm x 10 mm) Pin Configuration Guide
Pin configuration for MCF52110CAE66 (64-lqfp (10 mm x 10 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 MCF52110CAE66.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF52110CAE66 is suitable for 6 applications: Industrial Serial-Bridge Gateway, Point-of-Sale (POS) Terminal Controller, Building Automation Controller, Motor-Control Auxiliary Board, Low-Cost Human-Machine Interface (HMI), Industrial Sensor Hub.
Industrial Serial-Bridge Gateway
The MCF52110CAE66's three UARTs and one SPI controller make it a natural fit for industrial serial-bridge gateways that translate between RS-232, RS-485, Modbus RTU, and modern SPI peripherals. ColdFire V2 at 66 MHz delivers approximately 56 MIPS, sufficient for protocol parsing, packetization, and flow control without external protocol accelerators. The 128 KB Flash holds multiple protocol stacks while the 16 KB SRAM serves as a packet buffer; engineers should still check the EOL notice and plan migration to Kinetis or LPC for >10-year deployments.
Recommended
Point-of-Sale (POS) Terminal Controller
Point-of-sale terminals rely on stable serial I/O for barcode scanners, receipt printers, and magnetic-stripe readers - exactly what the MCF52110CAE66's three UARTs target. The ColdFire V2 core runs user-interface and transaction firmware comfortably at 66 MHz, with 128 KB Flash for application code and 16 KB SRAM for transaction buffering. The 3.3 V single-rail supply simplifies BOM and matches typical POS LCD/keypad logic levels. Given the part's EOL flag, long-lifecycle POS designs should validate the LPC54114 (LQFP-64) as the modern successor footprint.
Recommended
Building Automation Controller
Building automation subsystems (HVAC, lighting, access) need reliable serial links to sensors and actuators, which is the MCF52110CAE66's sweet spot. The two I2C buses handle sensor clusters (temperature, humidity, occupancy), while UARTs connect to BACnet, Modbus, or KNX gateways. The industrial -40 C to +85 C temperature range suits mechanical rooms and ceiling plenums. Power-management features of the ColdFire V2 core reduce idle-mode current for always-on building controllers, though designers should confirm the EOL pipeline will not interrupt >15-year building lifecycles.
Recommended
Motor-Control Auxiliary Board
The MCF52110CAE66 is widely used as an auxiliary control MCU on motor-drive boards where a DSP handles the field-oriented control loop and the ColdFire V2 runs housekeeping tasks: serial comms to the host PLC, sensor readouts, fault logging, and parameter storage. The 64-LQFP-64 footprint provides ample GPIO for status LEDs, enable lines, and SPI to gate-driver ICs. The ColdFire V2 eMAC unit accelerates sensor-filter math; the part's 66 MHz clock is overkill for housekeeping alone, leaving headroom for the future.
Recommended
Low-Cost Human-Machine Interface (HMI)
The MCF52110CAE66 powers small HMI panels (icon-LCD, 7-segment, or low-resolution TFT) for industrial machines where a full Cortex-A class processor is overkill. The 66 MHz ColdFire V2 plus 16 KB SRAM refreshes display buffers and runs simple touch-decoding algorithms, while the SPI controller drives LCD controllers and the I2C bus reads capacitive-touch front-ends. The 64-LQFP-64 gives enough I/O for keypad scan and LED backlight PWM. EOL planning should map to the LPC54114 LQFP-64 for new panel designs.
Recommended
Industrial Sensor Hub
The MCF52110CAE66 is a strong fit for sensor-hub roles that aggregate analog/digital sensor data and forward it to a host PLC over RS-485 or Modbus TCP. The two I2C buses multiplex temperature, humidity, pressure, and gas sensors, while SPI supports higher-speed ADCs and accelerometers. ColdFire V2 filtering math runs at 66 MHz with low idle current, extending battery or solar-assisted deployments. Given the EOL notice, designers building 10+ year sensor networks should design with the LPC54114 LQFP-64 footprint for forward compatibility.
Recommended
Recommended Products Summary
Engineering reference data for MCF52110CAE66 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF52110CAE80 | MCF52100CAE66 | LPC54114J256BD64 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Core | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) - same | ColdFire V2 (32-bit) - same | Cortex-M0+/M4 (32-bit) - different |
| Maximum CPU Frequency | 66 MHz | 80 MHz (+21%) | 66 MHz | 100 MHz (+52%) |
| Flash | 128 KB | 128 KB | 64 KB (-50%) | 256 KB (+100%) |
| SRAM | 16 KB | 16 KB | 16 KB | 32 KB (+100%) |
| UART | 3 | 3 | 3 | 5 (+2) |
| I2C | 2 | 2 | 2 | 3 (+1) |
| USB | None | None | None | USB 2.0 FS Device (added) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Strongest drop-in speed upgrade within ColdFire MCF5211x family (vs MCF52110CAE80)
- Pin-compatible USB option within the family (vs MCF52210CAE66)
- Modern Cortex-M0+/M4 successor with same footprint (vs LPC54114J256BD64)
Design Notes
The MCF52110CAE66 operates from a single 3.3 V rail; place a 10 uF bulk and a 0.1 uF ceramic decoupling capacitor as close as possible to each VDD/VSS pin pair. The on-chip voltage regulator supplies the ColdFire V2 core, so no external core-voltage rail is needed. Estimated: idle-mode current at 66 MHz is typically in the low double-digit mA range; refer to the MCF52110 datasheet DC electricals before finalizing the power budget for battery-assisted designs.
Route the JTAG signals (TDI, TDO, TMS, TCK, TRST) away from high-speed switching nets and place a 4.7 kohm pull-up on TRST to keep the test reset in a defined state. Keep the 16 MHz external crystal traces short and symmetric; both XTAL pads need load capacitors per the datasheet crystal section. Use a continuous ground plane under the LQFP-64 footprint for thermal dissipation and noise immunity.
Do not assume the MCF52110CAE66 supports USB; the 'No USB' variant is the only member with this exact suffix. Designers needing USB OTG must migrate to the MCF52210CAE66 (different LQFP-80 package), which requires PCB re-layout. Always verify NXP's latest Product Change Notice before finalizing firmware images, and ensure boot-mode strap resistors match the chosen Flash configuration from the datasheet.
Compliance Information
RoHS-compliant per the NXP product page. Reach/halogen/conflict-mineral status marked unknown because the verified web data did not include declarations; check NXP's environmental documents directly.
