Integrated HCS12 Based Relay Driver Microcontrollers (MCUs) with LIN

MM912_634

The MM912G634 (48 kB) and MM912H634 (64 kB) are integrated single package solutions that integrate an HCS12 MCU with a SMARTMOS® analog control IC. The Die to Die Interface (D2D) controlled analog die combines system base chip and application-specific functions, including a LIN transceiver.

Your customer benefits include:

  • Integrated MCU and analog features in the same package solution
  • A full LIN solution
  • Easy control of high-current motors using relays and current sense features
  • Reduced space, resulting in enhanced reliability
  • Full protection for output stages
  • Economical multifunction solution with few components
  • Low-power mode flexibility
  • Reverse-battery-protected voltage sense

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Product Details

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Block Diagram

HCS12 Block Diagram

HCS12 Block Diagram
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Features

CPU Core

  • 16-Bit S12 CPU, 64/48/32 kByte Program Flash
  • 4/2/0 kByte Data Flash
  • 6/2/2 kBytes of RAM
  • Background debug (BDM) & debug module (DBG)
  • 16-Bit, 4 Channel - Timer Module (TIM16B4C)
  • Die to Die bus interface for transparent memory mapping

Standard I/O

  • 6 or 10 digital MCU GPIOs shared with SPI
  • 10-Bit, 15 Channel - Analog to Digital Converter (ADC)
  • 8-Bit, 2 Channel - Pulse width modulation module (PWM)

Application Specific Functions

  • On-chip oscillator & two independent watchdogs
  • LIN 2.1 Physical Layer Interface with integrated SCI
  • Six high voltage / Wake-up inputs (L5…0)
  • Three low voltage GPIOs (PB2…0)
  • Low power modes with cyclic sense & forced wake-up
  • Two protected low side outputs to drive inductive loads
  • Two protected high side outputs
  • Hall sensor supply & integrated voltage regulator(s)
  • Reverse battery protected voltage sense module
  • Chip temperature sensor
  • Current sense module with selectable gain

Product Longevity

  • This product is included in the  NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MM912F634 is included in the 15-year program

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