mc68hc912b32fu8 Freescale Semiconductor, Inc, mc68hc912b32fu8 Datasheet

mc68hc912b32fu8

Manufacturer Part Number

mc68hc912b32fu8

Description

16-bit Microcontroller

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MC68HC912B32FU8.pdf (128 pages)

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Technical Summary

16-Bit Microcontroller

1 Introduction

1.1 Features

This document contains information on a new product. Specifications and information herein are subject to change without notice.

MOTOROLA

SEMICONDUCTOR

TECHNICAL DATA

The MC68HC912B32 microcontroller unit (MCU) is a 16-bit device composed of standard on-chip pe-

ripherals 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, 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. 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.

• 16-Bit CPU12

• Multiplexed Bus

• Memory

• 8-Channel, 8-Bit Analog-to-Digital Converter

• 8-Channel Timer

• 16-Bit Pulse Accumulator

• Pulse-Width Modulator

— 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

— Single Chip or Expanded

— 16/16 Wide or 16/8 Narrow Modes

— 32-Kbyte Flash EEPROM with 2-Kbyte Erase-Protected Boot Block

— 768-B yte EEPROM

— 1-Kbyte RAM with Single-Cycle Access for Aligned or Misaligned Read/Write

— Each Channel Fully Configurable as Either Input Capture or Output Compare

— Simple PWM Mode

— Modulo Reset of Timer Counter

— External Event Counting

— Gated Time Accumulation

— 8-Bit, 4-Channel or 16-Bit, 2-Channel

— Separate Control for Each Pulse Width and Duty Cycle

MC68HC912B32

by MC68HC912B32TS/D

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