sx8635 Semtech Corporation, sx8635 Datasheet - Page 67
sx8635
Manufacturer Part Number
sx8635
Description
Low Power, Capacitive Button And Wheel Touch Controller 12 Sensors With Enhanced Led Drivers And Proximity Sensing
Manufacturer
Semtech Corporation
Datasheet
1.SX8635.pdf
(81 pages)
- Current page: 67 of 81
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ADVANCED COMMUNICATIONS & SENSING
Revision 7_8, October 10
Address
Address
Address
0x03
0x04
0x07
0x01
0x02
Name
WhlPosMsb 7:0
WhlPosLsb
Name
CapStatMsb
CapStatLsb
Name
GpiStat
Bits
7:0
Bits
7:0
Bits
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Table 26 Wheel,
Description
GPI[7:0]
Status
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
Description
Wheel Position[15:8]
Wheel Position[7:0]
Table 27
Description
Reserved
Wheel Rotation
Clockwise
Wheel Rotation
Counter Clockwise
Wheel 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
© 2010 Semtech Corp.
Low Power, Capacitive Button and Wheel Touch Controller
Table 28
Status of each individual GPI pin
0: Low
1: High
Bits of non-GPI pins are set to 0.
Wheel position MSB/LSB
Button status MSB/LSB
I2C GPI status
67
Wheel Rotation status
0: No rotation (default)
1: Rotation
The status remains high as long as the wheel is
touched and no opposite rotation has occurred.
Wheel Touch status
0: Released (default)
1: Touched
Button Touch status
0: Released (default)
1: Touched
Shows the current (touched) or last (released)
wheel position[15:0] unsigned (default 0x00)
DATASHEET
www.semtech.com
SX8635
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