User`s guide

1/15/03 i

Table of Contents

Preface

What’s in This User’s Guide ................................................................................... xiii

Chapter 1 – Introduction..................................................................................... xiii

Chapter 2 – System Clocking............................................................................. xiii

Chapter 3 – 8051-Compatible Core ................................................................... xiii

Chapter 4 – Internal RAM................................................................................... xiii

Chapter 5 – Internal Flash.................................................................................. xiii

Chapter 6 – I/O Ports ......................................................................................... xiii

Chapter 7 – 8051-Compatible Timers ................................................................xiii

Chapter 8 – Enhanced Timers ...........................................................................xiv

Chapter 9 – Watchdog Timer .............................................................................xiv

Chapter 10 – UARTS .........................................................................................xiv

Chapter 11 – External Memory ..........................................................................xiv

Chapter 12 – Interrupts ......................................................................................xiv

Chapter 13 – Analog Inputs (ADC).....................................................................xiv

Chapter 14 – Analog Outputs (DAC)..................................................................xiv

Chapter 15 – I

C Interface .................................................................................xiv

Chapter 16 – Debug Interface ............................................................................xiv

Chapter 17 – Reset ............................................................................................xiv

Chapter 18 – Electrical Characteristics ..............................................................xiv

Chapter 19 – Mechanical Specifications ............................................................xiv

Terms and Conventions ..........................................................................................xv

Multiplexed Pins ..................................................................................................xv

Pin Names...........................................................................................................xv

Peripheral Devices ..............................................................................................xv

Reading and Writing .......................................................................................xvi

Reserved Bits and Fields................................................................................xvi