SX8634I05AWLTRT SEMTECH [Semtech Corporation], SX8634I05AWLTRT Datasheet - Page 56
SX8634I05AWLTRT
Manufacturer Part Number
SX8634I05AWLTRT
Description
Low Power, Capacitive Button and Slider Touch Controller with Enhanced LED
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8634I05AWLTRT.pdf
(80 pages)
- Current page: 56 of 80
- Download datasheet (2Mb)
ADVANCED COMMUNICATIONS & SENSING
MapWakeupSize
The number of keys defining the wakeup sequence can be set from 1 to 6.
If the size is set to 0 then wakeup is done on any sensor event.
if the size is set to 6 then wakeup is done only by GPI or an I2C command (may be required if proximity sensing is
enable, see § 3.17 for more details).
MapWakeupValue0, MapWakeupValue1, MapWakeupValue2
For the wakeup sequence Btn2 -> Btn5 -> Btn6 ->Btn0 the required register settings are:
Revision 7_6, October 10
Mapping Parameters
Address
0x3D
0x3E
0x3F
- MapWakeupSize set to 0x04,
- key0 = 0x2
- key1 = 0x5
Name
MapAutoLightGrp1Msb
MapAutoLightGrp1Lsb
MapSegmentHysteresis
Bits
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7:0
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
Description
Btn2
Btn1
Btn0
Reserved
Slider Touch
Move High
Move Low
Btn11
Btn10
Btn9
Btn8
Btn7
Btn6
Btn5
Btn4
Btn3
Btn2
Btn1
Btn0
Defines the position hysteresis for detecting a segment change.
The hysteresis is defined as a percentage of the maximum slider position.
0x00: 0%
…
0x02: 2% (default)
…
0x64: 100%
This hysteresis applies to all segments of the slider.
Table 20
© 2010 Semtech Corp.
Low Power, Capacitive Button and Slider Touch Controller
Mapping Parameters
56
Defines Group1 sensor events:
0: OFF (default)
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.
DATASHEET
www.semtech.com
SX8634
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