SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 64
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SX8661I07AULTRT
Manufacturer Part Number
SX8661I07AULTRT
Description
IC, Capacitive Button Touch And Proximity Controller, 8 SENSOR, MLPQ-28
Manufacturer
Semtech
Datasheet
1.SX8661I07AULTRT.pdf
(88 pages)
Specifications of SX8661I07AULTRT
Controller Type
Capacitive Touch Screen
Ic Interface Type
I2C
Supply Voltage Range
2.7V To 3.6V
Operating Temperature Range
-40°C To +85°C
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ADVANCED COMMUNICATIONS & SENSING
5.9 GPIO Parameters
Revision v3.2, January 2011
GPIO Parameters
Address
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x56
0x57
0x58
Name
GpioMode7_4
GpioMode3_0
GpioIntensityOn0
GpioIntensityOn1
GpioIntensityOn2
GpioIntensityOn3
GpioIntensityOn4
GpioIntensityOn5
GpioIntensityOn6
GpioIntensityOn7
GpioIntensityOff0
GpioIntensityOff1
GpioIntensityOff2
GpioIntensityOff3
GpioIntensityOff4
GpioIntensityOff5
GpioIntensityOff6
GpioIntensityOff7
GpioOutPwrUp
GpioAutoLight
GpioPolarity
Bits Description
7:6 GPIO[7] Mode
5:4 GPIO[6] Mode
3:2 GPIO[5] Mode
1:0 GPIO[4] Mode
7:6 GPIO[3] Mode
5:4 GPIO[2] Mode
3:2 GPIO[1] Mode
1:0 GPIO[0] Mode
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0 Defines the values of GPO and GPP pins after power up i.e. default values of
7:0 Enables Autolight in GPO mode.
7:0 Defines the polarity of the GPO and GPP pins.
Low Power, Capacitive Button Touch and Proximity Controller
Defines the ON intensity index.
0x00: 0
0x01: 1
…
0xFF: 255 (default)
Defines the OFF intensity index.
0x00: 0
0x01: 1
…
0xFF: 255 (default)
I2C parameters GpoCtrl and GppIntensity respectively.
Bits corresponding to GPO pins with Autolight ON should be left to 0.
Before being actually initialized GPIOs are set as inputs with pull up.
0: OFF(GPO) / IntensityOff (GPP)
1: ON (GPO) / IntensityOn (GPP)
Default: 0x00
0 : OFF
1 : ON
Default: 0xFF
SPO pins require Normal Polarity.
0: Inverted
© 2011 Semtech Corp.
64
Defines the GPIO mode.
00: GPO
01: GPP
10: Reserved
11: SPO: AOI-A for GPIO[7],
Default: 0xC000
(8 sensors) with LED Drivers and Analog Output
AOI-B for GPIO[6],
Buzzer for GPIO[5]),
Reserved for GPIO[4..0]
www.semtech.com
DATASHEET
Default AOI-A
Default GPO
Default GPO
Default GPO
Default GPO
Default GPO
Default GPO
Default GPO
SX8661
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