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SX8661Z Datasheet(PDF) 60 Page - Semtech Corporation

Part # SX8661Z
Description  Low Power, Capacitive Button Touch and Proximity Controller with LED Drivers and Analog Output
PDF  87 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661Z Datasheet(HTML) 60 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v4.0, February 2016
© 2012 Semtech Corp.
www.semtech.com
60
SX8661Z
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
5.8
Mapping Parameters
Mapping Parameters
Address
Name
Bits
Description
0x3B
MapAutoLight0
7:4
GPIO[7]
Defines
the
mapping
between
GPOs
(with
Autolight ON) and sensor events.
0x00: Btn0 or Proximity
0x01: Btn1
…
0x07: Btn7
0x08…0x0B: Reserved
0x0C: Group0 as defined by MapAutoLightGrp0
0x0D: Group1 as defined by MapAutoLightGrp1
0x0E: Reserved
0x0F: Reserved
Several GPOs can be mapped to the same sensor
event and will be controlled simultaneously.
3:0
GPIO[6]
0x3C
MapAutoLight1
7:4
GPIO[5]
3:0
GPIO[4]
0x3D
MapAutoLight2
7:4
GPIO[3]
3:0
GPIO[2]
0x3E
MapAutoLight3
7:4
GPIO[1]
3:0
GPIO[0]
0x3F
MapAutoLightGrp0Msb
7:0
Reserved (0x00)
0x40
MapAutoLightGrp0Lsb
7
Btn7
Defines Group0 sensor events:
0: OFF
1: ON
If any of the enabled sensor events occurs the
Group0 event will occur as well.
All sensors events within the group can be
independently set.
6
Btn6
5
Btn5
4
Btn4
3
Btn3
2
Btn2
1
Btn1
0
Btn0 or Proximity
0x41
MapAutoLightGrp1Msb
7:0
Reserved (0x00)
0x42
MapAutoLightGrp1Lsb
7
Btn7
Defines Group1 sensor events:
0: OFF
1: ON
If any of the enabled sensor events occurs the
Group0 event will occur as well.
All sensors events within the group can be
independently set.
6
Btn6
5
Btn5
4
Btn4
3
Btn3
2
Btn2
1
Btn1
0
Btn0 or Proximity
Table 23
Mapping Parameters
MapAutoLight0, MapAutoLight1, MapAutoLight2, MapAutoLight3
MapAutoLightGrp0Msb, MapAutoLightGrp0Lsb, MapAutoLightGrp1Msb, MapAutoLightGrp1Lsb
These registers define the mapping between the GPO pins (with Autolight ON) and the sensor information
which will control its ON/OFF state.
The mapping can be done to a specific sensor event but also on groups (in this case any sensor event in the
group will control the GPO).



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