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MC68B912B32 - 16-Bit Microcontroller

General Description

9 MC68HC912B32 Pin Assignments 9 Power Supply Pins 10 Signal Descriptions 11 Port Signals 15 Port Pull-Up, Pull-Down and Reduced Drive 19 Register Block 20 Operating Modes and Resource Mapping 25 Operating Modes 25 Background Debug Mode 26 Internal Resource Mapping 28 Memory Maps 31 Bus Control and

Key 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.
  • Memory.
  • 32-Kbyte Flash EEPROM with 2-Kbyte Erase-Protected Boot Block.
  • 768-B yte EEPROM.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC68HC912B32TS/D MC68HC912B32 Technical Summary 16-Bit Microcontroller 1 Introduction 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 interface (SPI), an 8-channel timer and 16-bit pulse accumulator, an 8-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.