MC68HC08GR32AMFJ 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC68HC08GR32AMFJ

M68HC08 Microcontrollers

Freescale Semiconductor 

Chapter 1

General Description

1.1 Introduction

The MC68HC08GR32A and MC68HC08GR16A are members of the low-cost, high-performance

M68HC08 Family of 8-bit microcontroller units (MCUs). All MCUs in the family use the enhanced

M68HC08 central processor unit (CPU08) and are available with a variety of modules, memory sizes and

types, and package types.

1.2 Features

For convenience, features have been organized to reflect:

• Standard features of the MC68HC08GR32A and MC68HC08GR16A

• Features of the CPU08

1.2.1 Standard Features of the MC68HC08GR32A and MC68HC08GR16A

Features include:

• High-performance M68HC08 architecture optimized for C-compilers

• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families

• 8-MHz internal bus frequency

• Clock generation module supporting 1-MHz to 8-MHz crystals

• System protection features:

– Optional computer operating properly (COP) reset

– Low-voltage detection with optional reset and selectable trip points for 3.3-V and 5.0-V

operation

– Illegal opcode detection with reset

– Illegal address detection with reset

• Low-power design; fully static with stop and wait modes

• Standard low-power modes of operation:

– Wait mode

– Stop mode

• Master reset pin and power-on reset (POR)

• On-chip read-only memory (ROM)

– MC68HC08GR32A — 32,256 bytes

– MC68HC08GR16A — 15,872 bytes

• 1536 bytes of on-chip random-access memory (RAM)

• 32,256 bytes of read-only memory (ROM)

• Serial peripheral interface (SPI) module

• Enhanced serial communications interface (ESCI) module

• One 16-bit, 2-channel timer interface module (TIM1) with selectable input capture, output compare,

and pulse-width modulation (PWM) capability on each channel

MC68HC08GR32A • MC68HC08GR16A Data Sheet, Rev. 0

Freescale Semiconductor

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