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AS8202B

Datasheet - Applications

Contents

1 General Description .................................................................................................................................................................. 1

2 Key Features

............................................................................................................................................................................ 1

3 Applications

.............................................................................................................................................................................. 1

4 Pin Assignments ....................................................................................................................................................................... 3

4.1 Pin Descriptions

................................................................................................................................................................................... 3

5 Absolute Maximum Ratings ...................................................................................................................................................... 6

6 Electrical Characteristics

.......................................................................................................................................................... 7

7 Detailed Description

................................................................................................................................................................. 9

7.1 Host CPU Interface

.............................................................................................................................................................................. 9

7.1.1 Synchronous READYB Generation ........................................................................................................................................... 12

7.2 Reset and Oscillator ........................................................................................................................................................................... 13

7.2.1 External Reset Signal ................................................................................................................................................................ 13

7.2.2 Integrated Power-On Reset ....................................................................................................................................................... 13

7.2.3 Oscillator Circuitry ...................................................................................................................................................................... 13

7.2.4 Built-in Characteristics ............................................................................................................................................................... 14

7.3 TTP Bus Interface

.............................................................................................................................................................................. 14

7.4 TTP Asynchronous Bus Interface

...................................................................................................................................................... 15

7.5 TTP Synchronous Bus Interface

........................................................................................................................................................ 15

7.6 Test Interface ...................................................................................................................................................................................... 16

7.7 LED Signals

....................................................................................................................................................................................... 16

8 Package Drawings and Markings ........................................................................................................................................... 17

9 Ordering Information ............................................................................................................................................................... 19