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MCF51CN Ethernet microcontrollers (MCUs) are low-cost, low-power high-performance 32-bit devices designed for developers who want to add Ethernet connectivity to commercial and industrial applications. The MCF51CN128 is the first ColdFire V1 device to incorporate Ethernet and external bus interface along with new features to minimize power consumption and increase functionality in low-power modes.
Features
- 32-bit ColdFire V1 central processing unit (CPU)
- Up to 50.33 MHz ColdFire CPU from 3.6 volts to 3.0 volts, up to 40 MHz CPU from 3.0 volts to 2.1 volts, and up to 20 MHz CPU from 2.1 volts to 1.8 volts across temperature range of –40 °C to 85 °C
- Support for up to 45 peripheral interrupt requests and seven software interrupts
- On-chip memory
- 128 KB flash, 24 KB RAM
- Flash read/program/erase over full operating voltage and temperature
- Ethernet
- External bus
- Power-saving modes
- Clock source options
- System protection
- Development support
- Peripherals
- Input/output
- This product is included in Freescale’s product longevity program, with assured supply for a minimum of 10 years after launch
Featured Documentation
- MCF51CN128: MCF51CN128 ColdFire Microcontroller - Data Sheet
- MCF51CN128RM: MCF51CN128 ColdFire ® Integrated Microcontroller - Reference Manual
- MCF51CN128FS: MCF51CN128 Fact Sheet
- TWRMCF51CNQSG: MCF51CN128 ColdFire ® Ethernet MCUs - Quick Reference Guide
- TWRFS: Freescale Tower System Fact Sheet
- MQXFS: Freescale MQX™ Software Solutions Fact Sheet
- DRM114: TCP/IP Applications Using the MCF51CN Family Designer - Reference Manual
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)
- 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)
- MQX: Freescale MQX™ Software Solutions
- UMultilink: Universal Multilink Development Interface
- TWR-MCF51CN: ColdFire MCF51CN128 Ethernet Tower System Module
Target Applications
- Industrial
- Residential Solar Power Inverters
- Building Control
- Electronic Point-of-Sales (ePOS) Terminals
- Industrial Operator Interfaces
- Security and Building Control Systems
Product Specifications
| Bus Frequency - Max (MHz) | 25 |
| Internal Flash (KB) | 128 |
| Internal RAM (KB) | 24 |
| Serial Interface - Type | SPI, I2C, Ethernet, SCI |
| A/D Converter - Bits (bit) | 12 |
| I/O Pins | 54, 38, 70 |
Featured Videos
Featured Tools
Tower SystemPurchase this module and view the module catalog
- USB to Serial Bridge Evaluation Board Add USB to your design
- UMultilink: Universal Multilink In-Circuit Debugger/Programmer
Featured Reference Design
