S12D Automotive and Industrial Microcontrollers (MCUs)

S12D

The MC9S12D is a 16-bit MCU composed of standard on-chip peripherals, including:

  • Two asynchronous serial communications interfaces
  • 8-channel IC/OC enhanced capture timer
  • Two 8-channel, 10-bit analog-to-digital converters (ADC)
  • 8-channel pulse-width modulator (PWM)
  • 20 discrete digital I/O lines
  • Inter-IC Bus

System resource mapping, clock generation, interrupt control and bus interfacing are managed by the System Integration Module (SIM).

The MC9S12D has full 16-bit data paths throughout. However, the external bus can operate in an 8-bit narrow mode so single 8-bit wide memory can be interfaced for lower cost systems.

A PLL circuit allows power consumption and performance to be adjusted.

Product Details

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Features

General

  • Upward compatible with M68HC11 instruction set
  • Interrupt stacking and programmer's model identical to M68HC11
  • Instruction pipe
  • Enhanced indexed addressing

Memory

  • Until 512 Kbyte Flash EEPROM
  • until 4 Kbyte EEPROM
  • Until 12 Kbyte RAM

Design Resources

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