MCF51MM256CLK

The MCF51MM256CLK is a ColdFire family 32-bit reduced instruction set computing (RISC) Microcontroller based on V1 ColdFire core and operates at processor core speeds up to 50.33MHz. The device provides ultra low-power operation, USB connectivity, graphic display support and unparalleled measurement accuracy. The device features 256kB flash memory, 32kB SRAM, 2 General purpose opamps, 2 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 and USB - device/host/on-the-go controller.

• 32-Bit ColdFire V1 CPU
• Two ultra-low power stop modes
• Time of day (TOD)
• Ultra-low power external oscillator
• Loop-control pierce oscillator - 32.768kHz crystal
• Oscillator for high frequency crystal input for MCG reference - (XOSC2)
• Multipurpose clock generator (MCG)
• Watchdog computer operating properly (COP)
• Low-voltage detection
• Illegal opcode and illegal address detection with reset
• Flash block protection
• Hardware CRC to support fast cyclic redundancy checks
• Integrated ColdFire DEBUG_Rev_B+ interface
• Real-time debug with 6 hardware breakpoints
• On-chip trace buffer provides programmable start/stop recording conditions
• Voltage reference output (VREFO)
• Dedicated infrared output pin (IRO)
• 16 KBI pins with selectable polarity
• 16 pins of Rapid general purpose I/O (RGPIO)
• Programmable delay block with 16-bit counter and modulus and prescale
• Multi-function external bus interface with user
• Carrier modulator timer