NXP Semiconductors MCF52110CAE66

Overview

MCF52110CAE66 from Freescale Semiconductor is a 32-bit ColdFire V2 RISC microcontroller operating at up to 66 MHz, featuring 128 KB flash, 16 KB SRAM, three UARTs, two I²C interfaces, QSPI, eight-channel 12-bit ADC with simultaneous sampling, and four 32-bit DMA-capable timers - deployed in industrial motor control and embedded automation systems.

For engineers reviewing the MCF52110CAE66 datasheet, MCF52110CAE66 pinout, MCF52110CAE66 application, or MCF52110CAE66 equivalent, key selection criteria include its 64-pin LQFP package, 66 MHz core frequency, integrated PLL clock generation, dual watchdog timers (software + backup), and support for real-time trace via BDM/JTAG debug interface.

Technical Context

The MCF52110CAE66 implements the ColdFire Version 2 ISA_A+ core with MAC unit and hardware divider, delivering 76 MIPS at 80 MHz (derated to 66 MHz for this variant). Its on-chip clock module integrates an 8 MHz relaxation oscillator, PLL, and programmable dividers enabling flexible system clocking from crystal, external, or internal sources.

Peripheral integration includes a four-channel DMA controller supporting burst transfers, a fast 12-bit ADC with dual sample-and-hold for simultaneous two-channel capture, and a pulse-width modulation module configurable as eight 8-bit or four 16-bit channels - all accessible via tightly coupled local bus with deterministic latency.

Key Specifications

Pinout & Package

LQFP–64 package: 10 mm × 10 mm, 0.5 mm pitch, thermally enhanced exposed pad (EPAD), RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MCF52110CAE66, the MCF52110CAG66 offers identical functionality in a space-efficient BGA package ideal for high-density designs, while the MCF52100CAE66 trades flash capacity and one UART for lower unit cost - making it viable for scaled-down implementations where memory headroom and serial channel count are non-critical.

Availability

MCF52110CAE66 is available at Aetrix Electronics and suitable for industrial motor control, embedded HMI systems, and programmable logic controllers requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.

Supply support for MCF52110CAE66 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MCF52110CAE66 belongs to the ColdFire microcontroller family designed for cost-sensitive, real-time embedded applications demanding high computational throughput, integrated mixed-signal peripherals, and robust debug infrastructure - particularly in motor control and industrial automation.

FAQ

What is the maximum operating frequency of the MCF52110CAE66?

The MCF52110CAE66 operates at a maximum core frequency of 66 MHz, derived from its ColdFire V2 core with integrated PLL. This frequency is factory-configured and validated across temperature and voltage ranges per Freescale's electrical specifications. The MCF52110CAE66 achieves 76 MIPS at 80 MHz in the full-speed variant, but this specific part number is rated and tested for reliable 66 MHz operation - ensuring timing margin for industrial environments with voltage ripple and thermal variation. All peripheral timing budgets (e.g., UART baud rate generation, ADC sampling, PWM period) are calculated relative to this guaranteed 66 MHz clock source.

Does the MCF52110CAE66 support simultaneous sampling on its ADC channels?

Yes, the MCF52110CAE66 features an eight-channel 12-bit ADC with two independent sample-and-hold circuits enabling true simultaneous sampling of two analog inputs - a capability explicitly documented for motor control applications. This architecture avoids phase skew between sampled signals, which is essential for accurate current reconstruction in three-phase inverters. The MCF52110CAE66 supports both sequential scanning of up to eight channels and triggered simultaneous capture on user-selected pairs (e.g., AN0/AN1), with conversion results stored in separate buffers for immediate CPU or DMA access.

What debug interfaces are available on the MCF52110CAE66?

The MCF52110CAE66 provides both Background Debug Mode (BDM) and IEEE 1149.1 JTAG interfaces on its 64-pin LQFP package. While the full real-time trace capability is reserved for 100-pin variants, the MCF52110CAE66 retains dedicated debug serial I/O (DSI/DSO/DSCLK), ALLPST status signal, and complete BDM functionality - including six hardware breakpoints (four PC, one address, one data), real-time halt/resume, and supervisor-mode register access. These interfaces enable low-cost in-circuit debugging without requiring expensive emulators, and are fully supported by Freescale's CodeWarrior development tools.

How does the dual watchdog system work on the MCF52110CAE66?

The MCF52110CAE66 implements two independent watchdog timers: a 32-bit Software Watchdog Timer (SWT) clocked by the system clock and a 16-bit Backup Watchdog Timer (BWT) that can run from either the system clock or the 8 MHz on-chip relaxation oscillator. The SWT provides primary firmware supervision, while the BWT remains operational even if the main clock fails or the chip enters deep sleep - ensuring fail-safe recovery under fault conditions. Both require periodic service (feed) to prevent reset; the MCF52110CAE66 includes status flags to identify which watchdog triggered the last reset, aiding root-cause analysis in field-deployed systems.

Can the MCF52110CAE66's PWM module generate center-aligned waveforms?

Yes, the MCF52110CAE66's PWM module supports programmable center-aligned outputs on individual channels - a feature explicitly defined in its documentation for improved motor drive efficiency and reduced EMI. Each of the eight 8-bit or four 16-bit PWM channels can be configured independently for left-aligned, center-aligned, or PCM (pulse-code modulation) output modes. Center alignment synchronizes rising and falling edges around the counter midpoint, minimizing harmonic distortion in inverter gate drive signals. The MCF52110CAE66 also provides double-buffered period and duty-cycle registers, ensuring glitch-free updates that take effect only at the end of the current PWM cycle.