NXP Semiconductors MCF52211CAF80

Overview

MCF52211CAF80 from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V2 RISC microcontroller operating at up to 80 MHz, featuring 128 KB flash, 16 KB SRAM, USB OTG, three UARTs, two I²C modules, QSPI, eight-channel 12-bit ADC, four 32-bit DMA timers, and real-time clock. It targets industrial control, motor drive, and embedded connectivity applications requiring deterministic timing and mixed-signal integration.

For engineers reviewing the MCF52211CAF80 datasheet, MCF52211CAF80 pinout, MCF52211CAF80 application, or MCF52211CAF80 equivalent, key selection criteria include its 80 MHz ColdFire V2 core with MAC unit, dual 12-bit ADC with simultaneous sampling, USB OTG dual-mode support, and LQFP-64 package compatibility with BDM/JTAG debug access.

Technical Context

The MCF52211CAF80 implements the ColdFire ISA_A+ instruction set with a two-pipeline V2 core (IFP + OEP), 32-bit registers, and a dedicated MAC unit supporting 16×16→32 and 32×32→32 operations. Its clock system integrates an 8 MHz on-chip relaxation oscillator, PLL with programmable pre-divider, and low-power dividers enabling operation down to sub-kHz frequencies.

Peripheral integration includes a four-channel DMA controller with burst transfers, QSPI master with 16-entry queue, and a dual-S/H ADC architecture enabling true simultaneous sampling of two analog channels - critical for closed-loop motor control. Interrupt handling uses a 57-source INTC with individually programmable priority and vectoring.

Key Specifications

Pinout & Package

LQFP-64 package, 10 mm × 10 mm, 0.5 mm pitch, thermally enhanced with exposed pad. Pinout validated per Freescale MCF52211 Rev. 2 datasheet Figures 3–5 and Table 2 (Pin Assignments).

Key Features

Applications

Equivalent & Alternatives

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

Compared with K22F51212 and MCF52259, the MCF52211CAF80 delivers optimal balance of deterministic real-time control, USB OTG flexibility, and cost-sensitive footprint - especially where simultaneous dual ADC sampling and BDM-debuggable ColdFire toolchain continuity are required.

Availability

MCF52211CAF80 is available at Aetrix Electronics and suitable for industrial motor control, embedded HMI, and USB-connected test equipment requiring stable component supply, long-term lifecycle support, and qualified automotive-grade sourcing.

Supply support for MCF52211CAF80 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in microcontrollers and real-time processing.

The MCF52211CAF80 belongs to NXP's ColdFire family - designed specifically for deterministic, low-latency embedded control applications demanding high integration, robust debug, and mixed-signal precision without ARM licensing constraints.

FAQ

What is the maximum operating frequency of the MCF52211CAF80?

The MCF52211CAF80 operates at a maximum core frequency of 80 MHz, delivering 76 MIPS (Dhrystone 2.1) when executing from internal flash memory. This frequency is achieved using the integrated PLL with external crystal or internal 8 MHz relaxation oscillator as reference. The MCF52211CAF80 maintains full peripheral functionality-including USB OTG, ADC, and timers-at this rated speed.

Does the MCF52211CAF80 support simultaneous sampling on its ADC channels?

Yes, the MCF52211CAF80 features a dual-sample-and-hold architecture enabling true simultaneous sampling of two analog channels (e.g., AN0 and AN1). This capability is essential for accurate current/voltage phase measurement in motor control and is explicitly supported in hardware-no software synchronization or timing compensation is required. The MCF52211CAF80 datasheet confirms this in Section 1.2.11 and Figure 1 block diagram.

What debug interfaces does the MCF52211CAF80 provide in the LQFP-64 package?

The MCF52211CAF80 in LQFP-64 provides Background Debug Mode (BDM) and a reduced JTAG interface compliant with IEEE 1149.1. While the full debug/trace capability (including PST/DDATA ports) is reserved for 100-pin packages, the LQFP-64 retains dedicated debug serial I/O (DSI/DSO/DSCLK), ALLPST signal, and BDM support for real-time in-circuit debugging and firmware development. This is confirmed in Section 1.2.3 of the MCF52211 Rev. 2 datasheet.

Can the MCF52211CAF80 operate as a USB host without external components?

Yes, the MCF52211CAF80 integrates a full USB OTG controller with on-die transceiver, enabling direct USB host or device operation without external PHY. It supports full-speed (12 Mbps) and low-speed (1.5 Mbps) modes, 16 bidirectional endpoints, and OTG protocol logic. External requirements are minimal: 27 Ω series resistors on USBD+/USBD− and a 1.5 kΩ pull-up on D+ for device enumeration. This capability is documented in Section 1.2.7 and Table 2 of the MCF52211CAF80 datasheet.

What are the power management features of the MCF52211CAF80?

The MCF52211CAF80 supports multiple low-power modes including sleep and stop, with wake-up from any of 57 interrupt sources in under 1 µs. It includes a programmable low-voltage detector (LVD), power-on reset (POR), RAM standby switch for battery-backed retention, and per-peripheral clock gating. The 8 MHz relaxation oscillator remains active in sleep mode, enabling RTC and watchdog operation. These features are detailed in Sections 1.2.6 and 2.2 of the MCF52211CAF80 datasheet.