Elan eSL Series, Руководство пользователя

Страница: 6 / 173

Contents
vi
••••
Contents eSL/eSLS Series (+ eSLZ000) User’s Manual
3.7.2 Block Diagram ............................................................................................100
3.7.3 Register Description....................................................................................101
3.7.4 Examples.....................................................................................................102
3.8 Serial Peripheral Interface (eSL and eSLZ000 only) .............................................104
3.8.1 Features .......................................................................................................104
3.8.2 Block Diagram ............................................................................................106
3.8.3 Pin Description............................................................................................106
3.8.4 SPI Register ................................................................................................109
3.8.5 SPI Transfer Format .................................................................................... 111
3.8.6 SPI Timing Diagrams.................................................................................. 112
3.8.7 Master Mode Operation .............................................................................. 115
3.8.8 Slave Mode Operation ................................................................................ 116
3.8.9 SPI Master Initial Flow Chart ..................................................................... 117
3.8.10 SPI Boot Flash (Interface) and SPI Data Flash (Interface) ...................... 117
3.8.11 Examples..................................................................................................... 118
3.9 Microphone Front End (eSL and eSLZ000 only) ................................................... 119
3.9.1 Registers...................................................................................................... 119
3.9.2 Examples .....................................................................................................122
3.10 I/O Pad Architecture .............................................................................................123
3.10.1 CMOS Pad Cofiguration Diagrams............................................................124
3.11 General Purpose Input Output ..............................................................................128
3.11.1 Features.......................................................................................................128
3.11.2 I/O Port Register Descriptions ...................................................................129
3.11.3 Input Mode with Pull Up Resistor Delay Time ..........................................132
3.11.4 I/O Port Application Examples...................................................................132
3.12 Voltage Regulator 5V / 3V....................................................................................134
Chapter 4 Chapter 4 Chapter 4 Chapter 4 137 137 137 137
El El El Electrical Characteristics ectrical Characteristics ectrical Characteristics ectrical Characteristics 137 137 137 137
4.1 CPU Voltage – Frequency Graph ..........................................................................137
4.2 Absolute Maximum Ratings..................................................................................138
4.2.1 eSL and eSLS..............................................................................................138
4.2.2 eSLZ000......................................................................................................138
4.3 DC Characteristics ................................................................................................139
4.3.1 For eSL, eSLS and eSLZ000 ......................................................................139
4.3.2 For eSL and eSLS Only ..............................................................................140
4.3.3 For eSLZ000 Only ......................................................................................141
Chapter 5 Chapter 5 Chapter 5 Chapter 5 143 143 143 143