16-Bit Automotive Microcontroller

68HC912B32
  • Not Recommended for New Designs
  • This page contains information on a product that is not recommended for new designs.
The MC68HC912B32 microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit (CPU12), 32-Kbyte flash EEPROM, 1-Kbyte RAM, 768-byte EEPROM, an asynchronous serial communications interface (SCI), a serial peripheral inter-face (SPI), an 8-channel timer and 16-bit pulse accumulator, a 10-bit analog-to-digital converter (ADC), a four-channel pulse-width modulator (PWM), and a J1850-compatible byte data link communications module (BDLC). The chip is the first 16-bit microcontroller to include both byte-erasable EEPROM and flash EEPROM on the same device. System resource mapping, clock generation, interrupt control and bus interfacing are managed by the Lite integration module (LIM). The MC68HC912B32 has full 16-bit data paths throughout, however, the multiplexed external bus can operate in an 8-bit narrow mode so single 8-bit wide memory can be interfaced for lower cost systems.

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Block Diagram

Washer Machines Microcontrollers for M68HC05 Family Block Diagram

Washer Machines Microcontrollers for M68HC05 Family Block Diagram
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Features

  • 16-Bit CPU12
    • Upward Compatible with M68HC11 Instruction Set
    • Interrupt Stacking and Programmer's Model Identical to M68HC11
    • 20-Bit ALU
    • Instruction Queue
    • Enhanced Indexed Addressing
    • Fuzzy Logic Instructions
  • Multiplexed Bus
    • Single Chip or Expanded
    • 16/16 Wide or 16/8 Narrow Modes

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