SX8645I05AWLTRT Semtech, SX8645I05AWLTRT Datasheet - Page 69

• Manufacturer Part Number: SX8645I05AWLTRT
• Description: 12-ch Capacitive Touch Solution (Button & Wheel)
• Manufacturer: Semtech

ADVANCED COMMUNICATIONS & SENSING
Revision 7_5, 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 32
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 33
Touch Controller (12 sensors) with Enhanced LED Drivers
© 2010 Semtech Corp.
Table 34 I2C
I2C GPP Pin Identifier
I2C GPP Intensity
69
Ultra Low Power, Capacitive Button and Wheel
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
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SX8645