Table of Contents

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

2.0 Features ....................................................................................................................................................... 1

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

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

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

6.0 Pin Descriptions ........................................................................................................................................... 5

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

8.0 Electrical Characteristics .............................................................................................................................. 7

9.0 Functional Description .................................................................................................................................. 8

9.1 GENERAL ................................................................................................................................................. 8

9.2 ADVANCED PIN DESCRIPTIONS ............................................................................................................ 8

9.3 USART FRAMING FORMAT ..................................................................................................................... 9

9.3.1 Data packet format table ..................................................................................................................... 9

9.3.2 Command Bytes .................................................................................................................................. 9

9.3.3 Advanced Command Bytes Descriptions .......................................................................................... 10

10.0 Oscillator .................................................................................................................................................. 12

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

12.0 Averaging Algorithm ................................................................................................................................. 13

12.1 DELTA ALGORITHM ............................................................................................................................. 13

12.2 FOCUS ALGORITHM ............................................................................................................................ 14

12.3 COMMUNICATION MODES ................................................................................................................. 14

13.0 Brownout Reset ........................................................................................................................................ 14

14.0 Calibration ................................................................................................................................................ 15

14.1 GENERAL CALIBRATION PROCEDURES .......................................................................................... 16

14.2 CALIBRATION PROCEDURES WITH COORDINATES CHECKING ENABLED ................................. 17

14.3 CALIBRATION PROCEDURES WITH COORDINATES CHECKING DISABLED ................................ 18

15.0 Revision History ....................................................................................................................................... 18

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

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