Table of Contents

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

Features ............................................................................................................................................................. 1

Block Diagram .................................................................................................................................................... 2

Ordering Information .......................................................................................................................................... 2

Connection Diagrams ......................................................................................................................................... 4

2.0 Pin Descriptions ........................................................................................................................................... 5

Absolute Maximum Ratings ............................................................................................................................... 7

3.0 Electrical Characteristics .............................................................................................................................. 7

4.0 Functional Description .................................................................................................................................. 8

4.1 General ...................................................................................................................................................... 8

4.2 Advanced Pin Descriptions ....................................................................................................................... 8

4.3 USART Framing Format ............................................................................................................................ 9

4.3.1. Data packet format table .................................................................................................................... 9

4.3.2 Command Bytes .................................................................................................................................. 9

4.3.3 Advanced Command Bytes Descriptions .......................................................................................... 10

5.0 Oscillator .................................................................................................................................................... 12

6.0 Power Save Mode (Low Power Stand-by) ................................................................................................ 13

7.0 Averaging Algorithm ................................................................................................................................... 13

7.1 Delta Algorithm ........................................................................................................................................ 13

7.2 Focus Algorithm ....................................................................................................................................... 13

7.3 Communication Modes ............................................................................................................................ 14

8.0 Brownout Reset .......................................................................................................................................... 14

9.0 Calibration .................................................................................................................................................. 15

9.1 General Calibration Procedures .............................................................................................................. 17

9.2 Calibration Procedures with Coordinates Checking Enabled ................................................................. 18

9.3 Calibration Procedures with Coordinates Checking Disabled ................................................................ 18

Physical Dimensions ........................................................................................................................................ 19

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