User`s guide

Table of Contents LZ87010 Advance User’s Guide

ii 1/15/03

Chapter 1 – Introduction

1.1 Features ........................................................................................................... 1-1

1.2 Description ....................................................................................................... 1-2

1.3 Pin Diagram...................................................................................................... 1-3

1.4 Block Diagram .................................................................................................. 1-4

1.5 Signal Descriptions........................................................................................... 1-5

1.6 Functional Description...................................................................................... 1-8

1.6.1 8051-Compatible Processor Core ............................................................. 1-8

1.6.2 Program Memory....................................................................................... 1-9

1.6.3 Internal Data RAM ..................................................................................... 1-9

1.6.4 MOVX Data RAM ...................................................................................... 1-9

1.6.5 SHARP Debug Interface ........................................................................... 1-9

1.6.6 Interrupt Controller .................................................................................. 1-10

1.6.7 External Program Memory Interface ....................................................... 1-10

1.6.8 I/O Ports .................................................................................................. 1-11

1.6.9 UARTs..................................................................................................... 1-11

1.6.10 I

C Interface .......................................................................................... 1-11

1.6.11 Analog Inputs (ADC) ............................................................................. 1-11

1.6.12 Analog Outputs (DACs) and Waveform Generators ............................. 1-11

1.6.13 Counter/Timer/PWM.............................................................................. 1-12

1.6.14 Clocks.................................................................................................... 1-12

1.6.15 Reset ..................................................................................................... 1-14

1.6.16 Power and Ground ................................................................................ 1-14

1.6.17 Low-Power Modes................................................................................. 1-14

1.7 Register Summary.......................................................................................... 1-15

1.8 Instruction Set Summary ................................................................................ 1-18

Chapter 2 – System Clocking

2.1 Theory of Operation ......................................................................................... 2-1

2.1.1 Internal Clocks........................................................................................... 2-2

2.1.1.1 HFCLK................................................................................................ 2-2

2.1.1.2 SUBCLK ............................................................................................. 2-2

2.1.1.3 CCLK .................................................................................................. 2-2

2.1.1.4 SCLK .................................................................................................. 2-2

2.1.1.5 PCLK .................................................................................................. 2-2

2.1.1.6 ADCCLK ............................................................................................. 2-2

2.1.2 Power-Saving Modes ................................................................................ 2-4

2.1.2.1 Idle Mode............................................................................................ 2-4

2.1.2.2 Stop Mode .......................................................................................... 2-4

2.2 Signals.............................................................................................................. 2-5

2.3 Registers .......................................................................................................... 2-6

2.3.1 CLKCFG (Clock Configuration) Register................................................... 2-6

2.3.2 PCON (Power Control) Register ............................................................... 2-7