NT1160 Datasheet, PDF (2/22 Pages) List of Unclassifed Manufacturers – The Nuvoton touch key series

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