S12E Automotive and Industrial Microcontrollers (MCUs)

S12E

The MC9S12E is a 112/80-pin, cost-effective, general-purpose MCU family, using the important on-chip features needed for your automotive designs.

The MC9S12E has full 16-bit data paths throughout.

The inclusion of a phase-lock look (PLL) circuit allows power consumption and performance to be adjusted to suit operational requirements.

An on-chip bandgap-based voltage regulator (Vreg) generates the internal digital supply voltage of 2.5 V (VDD) from a 3.15–5.5 V external supply range.

Product Details

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Block Diagram

S12E Microcontroller Block Daigram

S12E Microcontroller Block Daigram
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Features

  • HCS12 CPU
    • Upward compatible with M68HC11 instruction set
    • Interrupt stacking and programmer's model identical to M68HC11
    • Instruction queue
    • Enhanced indexed addressing
  • Up to 16 KB of RAM
  • Three asynchronous serial communications interface modules (SCI)
  • Serial peripheral interface (SPI)
  • Inter-IC bus (IIC)
  • Three 4-channel 16-bit timer modules (TIM)
  • 6-channel 15-bit pulse modulator with fault protection module (PMF)
  • 6-channel 8-bit pulse width modulator (PWM)
  • 16-channel 10-bit analog-to-digital converter (ADC)
  • Two 1-channel 8-bit digital-to-analog converters (DAC)
  • Module mapping control (MMC)
  • Interrupt control (INT)
  • Background debug module (BDM)
  • Debugger (DBG12) including breakpoints and change-of-flow trace buffer
  • Multiplexed external bus interface (MEBI)
  • Wake-up interrupt inputs
    • Up to 16 port bits available for wake-up interrupt function with digital filtering
  • Memory options
    • 32, 64, 128 and 256 KB flash EEPROM
    • 2, 4, 8 or 16 KB RAM

Design Resources

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