sx8650 Semtech Corporation, sx8650 Datasheet - Page 4

• Manufacturer Part Number: sx8650
• Description: World?s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller With 15kv Esd
• Manufacturer: Semtech Corporation

Section
5.
6.
7.
ACS Revision V2.15/October 2009
©2009 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Table of contents
4.7.
4.8.
4.9.
4.10. Power-Up ....................................................................................................................................................... 38
4.11. Reset.............................................................................................................................................................. 38
5.1.
5.2.
5.3.
5.4.
6.1.
6.2.
6.3.
6.4.
6.5.
6.6.
6.7.
6.8.
7.1.
7.2.
Application Information .......................................................................................................................................... 44
Packaging Information ........................................................................................................................................... 51
Modes of Operation .............................................................................................................................................. 39
4.6.5.
4.6.6.
4.6.7.
5.1.1.
5.1.2.
6.3.1.
6.3.2.
6.3.3.
6.6.1.
6.6.2.
6.8.1.
6.8.2.
6.8.3.
6.8.4.
7.1.1.
7.1.2.
7.2.1.
7.2.2.
Host Control Writing....................................................................................................................................... 35
Host Commands ............................................................................................................................................ 37
Manual Mode ................................................................................................................................................. 39
Automatic mode ............................................................................................................................................. 41
PENDET Mode .............................................................................................................................................. 42
PENTRIG Mode ............................................................................................................................................. 42
Acquisition Setup ........................................................................................................................................... 44
Channel Selection.......................................................................................................................................... 44
Noise Reduction............................................................................................................................................. 44
Channel Biasing............................................................................................................................................. 45
Interrupt Generation....................................................................................................................................... 45
Coordinate Throughput Rate ......................................................................................................................... 46
Application Schematic.................................................................................................................................... 48
Application Examples..................................................................................................................................... 49
Package Outline Drawing .............................................................................................................................. 51
Land Pattern Drawing .................................................................................................................................... 53
I2C Register Map .......................................................................................................................................... 34
Invalid Qualified Data .............................................................................................................................. 33
CONVERT Command ............................................................................................................................. 39
SELECT Command................................................................................................................................. 40
POWDLY................................................................................................................................................. 44
SETDLY .................................................................................................................................................. 44
AUX Input ................................................................................................................................................ 45
I2C Communication Time........................................................................................................................ 46
Conversion Time ..................................................................................................................................... 46
Soft Keyboard ......................................................................................................................................... 49
Game ...................................................................................................................................................... 49
Handwriting Application........................................................................................................................... 50
Slider Controls......................................................................................................................................... 50
DFN Package .......................................................................................................................................... 51
WLCSP Package .................................................................................................................................... 52
DFN Land Pattern ................................................................................................................................... 53
WLCSP Land Pattern .............................................................................................................................. 54
I2C Read Channels ................................................................................................................................ 32
Data Channel Format ............................................................................................................................. 33
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