sx8644 Semtech Corporation, sx8644 Datasheet - Page 66

• Manufacturer Part Number: sx8644
• Description: Ultra Low Power, Capacitive Button And Slider Touch Controller 12 Sensors With Enhanced Led Drivers
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Revision 7_3, January 10
Address
Address
Address
0x03
0x04
0x07
0x01
0x02
Name
SldPosMsb
SldPosLsb
Name
CapStatMsb
CapStatLsb
Name
GpiStat
Bits
7:0
Bits
7:0
7:0
Bits
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Table 26 Slider,
Description
GPI[7:0]
Status
Description
Slider Position[15:8]
Slider Position[7:0]
Table 27
Description
Reserved
Slider Move High
Slider Move Low
Slider Touched
Button 11 Touched
Button 10 Touched
Button 9 Touched
Button 8 Touched
Button 7 Touched
Button 6 Touched
Button 5 Touched
Button 4 Touched
Button 3 Touched
Button 2 Touched
Button 1 Touched
Button 0 Touched
Touch Controller (12 sensors) with Enhanced LED Drivers
© 2009 Semtech Corp.
Table 28
Status of each individual GPI pin
0: Low
1: High
Bits of non-GPI pins are set to 0.
Slider position MSB/LSB
Button status MSB/LSB
I2C GPI status
66
Ultra Low Power, Capacitive Button and Slider
Slider Move status
0: No move (default)
1: Move
The status remains high as long as the slider is
touched and no opposite move has occurred.
Slider Touch status
0: Released (default)
1: Touched
Button Touch status
0: Released (default)
1: Touched
Shows the current (touched) or last (released)
slider position[15:0] unsigned (default 0x00)
DATASHEET
www.semtech.com
SX8644