sx8638 Semtech Corporation, sx8638 Datasheet - Page 66

• Manufacturer Part Number: sx8638
• Description: Low Power, Capacitive Button And Slider Touch Controller 8 Sensors With Enhanced Led Drivers And Proximity
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Revision 7_6, September 10
Address
Address
Address
Address
0x03
0x04
0x08
0x07
0x01
0x02
Name
SldPosMsb
SldPosLsb
Name
SpmStat 7:4
Name
CapStatMsb
CapStatLsb
Name
GpiStat
Bits
Bits
7:0
Bits
7:0
7:0
Bits
7
6
5
4
3:0
7
6
5
4
3
2
1
0
Description
reserved
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
Reserved
Button 7 Touched
Button 6 Touched
Button 5 Touched
Button 4 Touched
Button 3 Touched
Button 2 Touched
Button 1 Touched
Button 0 Touched
© 2010 Semtech Corp.
Table 28
Low Power, Capacitive Button and Slider Touch Controller
Status of each individual GPI pin
0: Low
1: High
Bits of non-GPI pins are set to 0.
Slider position MSB/LSB
(8 sensors) with Enhanced LED Drivers and Proximity
Button status MSB/LSB
I2C GPI status
66
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
SX8638