SX8634I05AWLTRT SEMTECH [Semtech Corporation], SX8634I05AWLTRT Datasheet - Page 26
SX8634I05AWLTRT
Manufacturer Part Number
SX8634I05AWLTRT
Description
Low Power, Capacitive Button and Slider Touch Controller with Enhanced LED
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8634I05AWLTRT.pdf
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ADVANCED COMMUNICATIONS & SENSING
The PWM blocks used in GPP and GPO modes are 8-bits based and clocked at 2MHz typ. hence offering 256
selectable pulse width values with a granularity of 128us typ.
3.16.2 GPI
GPIOs configured as GPI will operate as digital inputs with standard low and high logic levels.
Optional pull-up/down and debounce can be enabled. Each GPI is individually edge programmable for INTB
generation which will also exit Sleep/Doze mode if relevant.
SPM/I2C parameters applicable in GPI mode are listed in table below. Please refer to the relevant SPM/I2C
parameters sections for more details.
3.16.3 GPP
GPIOs configured as GPP will operate as PWM outputs directly controlled by the host. A typical application is
LED dimming.
Typical GPP operation is illustrated in figure below.
SPM/I2C parameters applicable in GPP mode are listed in table below. Please refer to the relevant SPM/I2C
parameters sections for more details.
Revision 7_6, October 10
Figure 27 PWM definition, (a) small pulse width, (b) large pulse width
Table 7
SPM
I2C
SPM/I2C Parameters Applicable in GPI Mode
Figure 28
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
GpioPullUpDown
GpioDebounce
GpioInterrupt
© 2010 Semtech Corp.
GpioMode
Low Power, Capacitive Button and Slider Touch Controller
IrqSrc[4]
GpiStat
LED control in GPP mode
26
GPI
X
X
X
X
X
X
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