32-bit Automotive Microcontrollers

MAC7121 Not Recommended for New Designs
  • This page contains information on a product that is not recommended for new designs.

The MAC7121 is a member of a pin-compatible family of 32-bit Flash memory-based devices developed specifically for embedded automotive applications. It addresses the growing demand for cost-effective 32-bit performance enhancements as traditional body, chassis and safety application exceed the performance scope of many 16-bit offerings.

Product Details

Block Diagram

MAC7100 Family r2 Block Diagram

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Features

  • 32-bit Arm7TDMI-S™ RISC core, up to 50 MHz operating frequency
  • Enhanced DMA with channel multiplexer
  • 512 Kbyte program Flash EEPROM
  • 32 Kbyte data Flash EEPROM
  • 32 Kbyte RAM
  • 16-channel, 10-bit analog-to-digital converter
  • 16-channel enhanced modular I/O timer subsystem
  • Four enhanced serial communications interfaces
  • Four CAN 2.0 software compatible interfaces
  • Two serial peripheral interfaces (SPI)
  • One I2C bus interface
  • 10-channel, 24-bit periodic interrupt timer
  • 85 general purpose input/output port pins shared with peripherals, with optional wake-up interrupts and 3.3 V to 5 V input and drive capability
  • Flexible interrupt controller
  • JTAG test access port (TAP) and Embedded ICE debug interfaces, with real-time instruction trace support via Nexus Class 2 Plus interface
  • On-chip clock generation with selectable standard or low-power Pierce oscillator driving a phase-locked loop clock frequency multiplier
  • On-chip dual 2.5 V linear voltage regulator
  • 112-pin LQFP package

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