MCF51CN Ethernet MCUs are low-cost, low-power, high-performance 32-bit devices designed for developers who want to add Ethernet connectivity to their commercial and industrial applications.
Features
- 32-bit ColdFire V1 Central Processing Unit (CPU)
- Up to 50.33 MHz ColdFire CPU from 3.6 V to 3.0 V, up to 40 MHz CPU from 3.0 V to 2.1 V, and up to 20 MHz CPU from 2.1 V to 1.8 V across temperature range of –40 °C to 85 °C
- Support for up to 45 peripheral interrupt requests and 7 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
Featured Documentation
- MCF51CN128: MCF51CN128 Data Sheet
- MCF51CN128RM: MCF51CN128 ColdFire Microcontroller Reference Manual
- MCF51CN128FS: MCF51CN128 Fact Sheet
- TWRMCF51CNQSG: Quick Start Guide for TWR-MCF51CN
- TWRFS: Freescale Tower System Fact Sheet
- MQXFS: Freescale MQX™ Software Solutions Fact Sheet
- DRM114: TCP/IP Applications Using the MCF51CN Family Designer Reference Manual
Current Updates & Releases
- TWR-MCF51CN-KIT: Low-Cost Development Kit for MCF51CN128
- TOWER: Tower System - Reconfigurable Development Platform
- MQX: Freescale MQX ™ Software Solutions
Target Applications
- Building control
- Industrial operator interfaces
- Consumer and industrial appliances
- Medical monitoring and instrumentation
- Point-of-sale and courier systems
- Security and building control systems
Product Specifications
| Bus Frequency - Max (MHz) | 25 |
| Internal RAM (kByte) | 24 |
| Serial Interface - Type | SCI, SPI, I2C |
| A/D Converter - Bits (bit) | 12 |
| I/O Pins | 38, 54, 70 |
| Supply Voltage - Typ (V) | 3.3 |
Featured Reference Design
- RDMCF51C128: Serial to Ethernet Bridge
Related Video
Freescale Tower System: TWR-MCF51CN-KIT Overview (5:17min)
Freescale MQX Home Security Telnet Demo: TWR-MCF51CN-KIT Lab 1 (5:38min)
Freescale MQX Home Security Webserver Demo: TWR-MCF51CN-KIT Lab 2 (2:26min)
Freescale MQX Home Security Email Demo: TWR-MCF51CN-KIT Lab 3 (4:37min)
Freescale MQX Ethernet to Serial Bridge Demo: TWR-MCF51CN-KIT Lab 4 (2:26min)
Training & Events
