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Touch the keypad



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NT1160 데이터시트, 핀배열, 회로
NT1160
Nuvoton Touch Key Series
NT1160
Datasheet
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based
system design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
Mar 12, 2016
Page 1 of 22
Rev 1.00


NT1160 데이터시트, 핀배열, 회로
NT1160
Table of Contents
1 General Description................................................................................4
2 Features .............................................................................................5
3 Pin Diagram .........................................................................................6
4 Capacitive Touch Key .............................................................................7
4.1 Input Circuit ............................................................................................. 7
4.2 Sensor Pad and Ground for PCB Layout .......................................................... 8
4.3 Sensor Pad Size ....................................................................................... 8
5 I2C Interface ....................................................................................... 10
5.1 Byte-Write ..............................................................................................10
5.2 Random-Read.........................................................................................10
5.3 Continuous-Read .....................................................................................11
5.4 I2C Circuit ..............................................................................................11
6 I2C Data Definition ............................................................................... 12
6.1 Memory Address ......................................................................................12
6.2 Address 0x00: Product No...........................................................................13
6.3 Address 0x01: Button No. ...........................................................................13
6.4 Address 0x02: Version No. ..........................................................................13
6.5 Address 0x03: I2C Device Address ................................................................14
6.6 Address 0x04: System Control Bits ................................................................14
6.7 Address 0x06: Output Mode Settings .............................................................14
6.8 Address 0x07: Sense Pin Enable 1 ................................................................15
6.9 Address 0x08: Sense Pin Enable 2 ................................................................15
6.10 Address 0x0C: De-Bounce ..........................................................................15
6.11 Address 0x0E: Sensor Cycle .......................................................................15
6.12 Address 0x0F: Calibration Delay ...................................................................15
6.13 Address 0x10: Status.................................................................................15
6.14 Address 0x11: Key Status 1.........................................................................15
6.15 Address 0x12: Key Status 2.........................................................................16
6.16 Address 0x15: 7 Segment LED Display ...........................................................16
6.17 Address 0x20~0x2F: Trigger Level ................................................................16
6.18 Address 0x40~0x5F: Sensor Value ................................................................16
7 Reference Schematic............................................................................ 18
Mar 12, 2016
Page 2 of 22
Rev 1.00




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