sx8646 Semtech Corporation, sx8646 Datasheet - Page 60

• Manufacturer Part Number: sx8646
• Description: Ultra Low Power, Capacitive Button Touch Controller 8 Sensors With Enhanced Led Drivers
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Revision 7_4, 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 30
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 31
© 2010 Semtech Corp.
Table 32 I2C
Ultra Low Power, Capacitive Button Touch Controller
I2C GPP Pin Identifier
I2C GPP Intensity
60
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
(8 sensors) with Enhanced LED Drivers
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SX8646