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The MCF51MM256/128 provides ultra low-power operation, USB connectivity, graphic display support and unparalleled measurement accuracy, all in a single 32-bit microcontroller (MCU), allowing designers to create more fully featured products at a lower cost. The MCF51MM256/128 is ideal for medical applications or other applications requiring a significant amount of precision analog such as instrumentation and industrial control.
The MCF51MM256/128 is part of the Freescale Flexis MCU series.
Features
- ColdFire V1 core delivering a 50 MHz core speed and 25 MHz bus speed
- Up to 256 KB flash and 32 KB SRAM
- Low-power stop 2 current:500 nA (32 KB of active SRAM)
- 2 x general purpose opamps
- 2 x transimpedance amplifiers
- 16-bit SAR high resolution analog-to-digital converter(ADC)
- Analog Comparator with 5-bit digital-to-analog converter (DAC)
- Internal voltage reference
- USB - device/host/on-the-go controller
- 2 x serial peripheral interface (SPI), 2 x serial communication interface (SCI) and 1 x I²C
- Mini FlexBus (external bus interface)
- This product is included in Freescale’s product longevity program, with assured supply for a minimum of 15 years after launch
Energy Efficiency Quick Facts
- The Flexis MM series are ideal for portable medical devices and ultra-low-power medical design
- Low-power, modified matrix-type resistor-ladder DAC reduces power by a factor of five compared to other DAC implementations.
- VREF power level is configurable
- OPAMP/TRIAMP power level is configurable
- Two ultra-low-power stop modes
- Clock gating registers disable clocks to unused peripherals
- Learn more about Freescale energy-efficient product solutions
Featured Documentation
- MCF51MM256: MCF51MM256/128 - Data Sheet
- MCF51MM256FS: MCF51MM256/128 Integrated analog and ultra-low power with USB connectivity - Fact Sheet
- MCF51MM256RM: MCF51MM256 - Reference Manual
- AN4223: AN4223, Connecting Low-Cost External Electrodes to MED-EKG - Application Notes
Featured Software and Tools
- EGUI: Freescale eGUI: Graphical LCD Driver for MCUs/MPUs
- CWX-MCU-LLPLT-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- TWR-SER: Serial (USB, Ethernet, CAN, RS232/485) Tower System Module
- CW-MICROCONTROLLERS: CodeWarrior for Microcontrollers (Classic IDE) - RS08/HC(S)08, ColdFire V1
- UMultilink: Universal Multilink Development Interface
- CWX-MCU-SELH: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- CWX-MCU-PROED-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- CWX-MCU-SE: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- TWR-S08MM128: MC9S08MM Medical Development Tower System Module
- TWR-MCF51MM: ColdFire MCF51MM Medical Development Tower System Module
- MED-EKG: Electrocardiograph Development Kit for Tower System
- MEDICALUSB: USB Stack
- TWR-ELEV: Tower System Elevator Module
Featured Videos
Portable Health Care Reference Designs (01:45 min)
Medical Ventilator Reference Design (01:48 min)
