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IQS572 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # IQS572
Description  Capacitive Trackpad/Touchscreen Controller
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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IQS572 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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IQ Switch
®
ProxSense
® Series
Copyright © Azoteq (Pty) Ltd
IQS5xx-B000 Trackpad Datasheet
Page 4 of 80
All Rights Reserved.
Revision 1.1
October 2015
7.8.1
Bootloader Status ....................................................................................................................................... 27
8
I
2C .....................................................................................................................................................................27
8.1
Data Ready (RDY) ............................................................................................................................................ 28
8.2
Slave Address................................................................................................................................................... 28
8.3
16-bit Addressing ............................................................................................................................................ 28
8.4
I
2C Read ........................................................................................................................................................... 28
8.4.1
Default Read Address.................................................................................................................................. 28
8.5
I
2C Write .......................................................................................................................................................... 28
8.6
I
2C Timeout ...................................................................................................................................................... 28
8.7
End of Communication Session / Window ...................................................................................................... 28
8.8
Event Mode Communication ........................................................................................................................... 28
8.8.1
Events.......................................................................................................................................................... 29
8.8.2
Force Communication................................................................................................................................. 29
8.9
Memory Map Registers ................................................................................................................................... 30
8.10
Memory Map Bit / Register Definitions........................................................................................................... 37
8.10.1
Gesture Events 0..................................................................................................................................... 38
8.10.2
Gesture Events 1..................................................................................................................................... 38
8.10.3
System Info 0 .......................................................................................................................................... 39
8.10.4
System Info 1 .......................................................................................................................................... 40
8.10.5
Individual Channel Status / Config Bit Definitions .................................................................................. 40
8.10.6
Count / Delta / Reference Data .............................................................................................................. 41
8.10.7
System Control 0 .................................................................................................................................... 42
8.10.8
System Control 1 .................................................................................................................................... 43
8.10.9
System Config 0 ...................................................................................................................................... 43
8.10.10
System Config 1 ...................................................................................................................................... 44
8.10.11
Alternate Channel Setup ........................................................................................................................ 45
8.10.12
ALP Rx select........................................................................................................................................... 46
8.10.13
ALP Tx select ........................................................................................................................................... 46
8.10.14
IQS525 RxToTx ........................................................................................................................................ 46
8.10.15
Hardware Settings A ............................................................................................................................... 46
8.10.16
Hardware Settings B ............................................................................................................................... 47
8.10.17
Hardware Settings C ............................................................................................................................... 48
8.10.18
Hardware Settings D............................................................................................................................... 48
8.10.19
XY Config 0.............................................................................................................................................. 48
8.10.20
Single Finger Gestures ............................................................................................................................ 49
8.10.21
Multi-finger Gestures ............................................................................................................................. 50
9
Circuit Diagram .................................................................................................................................................51
10
Electrical Characteristics....................................................................................................................................56
10.1
Absolute Maximum Ratings ............................................................................................................................ 56
10.2
Operating Conditions ...................................................................................................................................... 57
10.2.1
General Operating Conditions ................................................................................................................ 57
10.2.2
Power-up / Power-down Operating Conditions ..................................................................................... 57
10.2.3
Supply Current Characteristic................................................................................................................. 58
10.2.4
ProxSense
TM Current Consumption........................................................................................................ 58
10.2.5
Expected Total Current Consumption Scenarios .................................................................................... 58
10.2.6
I/O Port Pin Characteristics .................................................................................................................... 60


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