32-Bit ColdFire V1 Microcontrollers

MCF51AG

The MCF51AG family expands Our 32-bit ColdFire® microcontroller portfolio by offering products with direct memory access (DMA) and iEvent modules to handle data transaction and interrupt management, off-loading CPU overhead and increasing overall performance. The device family targets smart appliance and industrial applications with a peripheral set aligned to the needs of its advanced three-phase motor control to improve the overall energy efficiency of the application. Also included is functionality for system safety and integrity, such as an advanced independently clocked COP, external watchdog monitor and a cyclic redundancy check (CRC) engine providing failure protection and memory content validation for applications covered by IEC regulations.

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Block Diagram

ColdFire MCF51AG Microcontroller Block Diagram

ColdFire MCF51AG Microcontroller Block Diagram
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Features

  • ColdFire® V1 core delivering a 50 MHz core speed and 25 MHz bus speed
  • 4-channel DMA with selectable peripheral sources
  • iEvent module for peripheral-to-peripheral triggering with no CPU intervention
  • Up to 128 KB flash and 16 KB SRAM
  • 2 x 6-channel 16-bit FlexTimer modules for motor control
  • 24-channel 12-bit analog-to-digital converter (ADC) with pulse width modulated hardware triggering
  • 2 high-speed analog comparators with integrated DAC
  • Communication peripherals: 2 x serial peripheral interface (SPI), 2 x serial communications interface (SCI) and 1 x I²C
  • Accurate low-cost internal clock source
  • Advanced indepently clocked watchdog for system safety

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Hardware

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