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Korea GreenChip Capacitive touch IC - GT316L

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16 channels touch sensing inputs
−These pins can be used as LED driver pins
Embedded GreenTouch3TM Engine
−Analog compensation circuit
−Embedded digital noise filter
−Intelligent sensitivity calibration
−Embedded CS, EFT enhancer core

Model Number: GT316L
Data Sheet:

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Product Specification

The GT316L is one of the new GreenTouch3TM capacitive touch sensor series. Especially the GT316L can do capacitance sensing with 16 channels under above GreenTouch3TM engine operation.

Thanks to this epochal GreenTouch3TM engine, the applications will be more robust and problem free against EMC, EMI, H/W variations, voltage disturbance, temperature drift, humidity drift and so on.

Especially, it doesn't make any issue against CS and EFT noise environments occurred in any touch applications.
The GT316L offers 16 touch sense inputs which also can be used as dimming LED drive output pins. It’s very economical solution when the LED feedbacks are required because there is no additional material cost for LED control. Almost every option that controls touch operation and dimming LED driving of the GT316L can be performed by internal control registers. These internal control registers are readable and writable using I2C interface.
Touch output result are also readable using. The I2C interface might be useful when the MCU IO or connector resource is not enough in the application.
The GT316L can be applied under wide supply voltage range from 1.8V to 5.5V. The CTRL pin of the GT316L provides switchable chip ID that make two chip parallel operation on the same I2C bus. And 4 exclusive output pins of the GT316L provide 25mA sinkable outputs.

FEATURES:

16 channels touch sensing inputs

−These pins can be used as LED driver pins

Embedded GreenTouch3TM Engine

−Analog compensation circuit

−Embedded digital noise filter

−Intelligent sensitivity calibration

−Embedded CS, EFT enhancer core

I2C interface supporting

Provide interrupt function

LED driver (32 steps dimming control)

Four 25mA sinkable exclusive output pins