sx8647 Semtech Corporation, sx8647 Datasheet - Page 65

• Manufacturer Part Number: sx8647
• Description: Ultra Low Power, Capacitive Wheel Touch Controller 8 Sensors With Enhanced Led Drivers
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Revision 7_6, February 10
Address
Address
Address
0x0B
0x0C
0xB1
Name
GppPinId
Name
GppIntensity
Name
SoftReset
Bits
7:3
2:0
Bits
7:0
Bits
7:0
Table 31
Description
Reserved, write only ‘00000’
GPP Pin Identifier
Description
Defines the intensity index of the GPP pin selected in GppPinId
0x00: 0
0x01: 1
…
0xFF: 255
Reading returns the intensity index of the GPP pin selected in GppPinId.
Default value is IntensityOn or IntensityOff depending on GpioOutPwrUp.
Description
Writing 0xDE followed by 0x00 will reset the chip.
Table 32
© 2010 Semtech Corp.
Touch Controller (8 sensors) with Enhanced LED Drivers
Table 33 I2C
I2C GPP Pin Identifier
I2C GPP Intensity
65
Soft Reset
Defines the GPP pin to which the GppIntensity is
assigned for the following read/write operations
0x0 = GPP0 (default)
0x1 = GPP1
...
0x7 = GPP7
GPPx refers to pin GPIOx configured as GPP
Ultra Low Power, Capacitive Wheel
DATASHEET
www.semtech.com
SX8647