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CST816S - High performance self-capacitance touch controller

General Description

Name S1~S13 VDDA CMOD0 CMOD1/S14 IRQ SCL/SDA RST Description Sensing channels Power supply Stabilizing capacitor Stabilizing capacitor/Multiplexed sensing channels Interrupt output I2C Reset input Remarks 2.7V~3.6V, connect 2.2uF~ 10uF capacitor Connect 1nF~5.6nF stabilizing capacitor Connect 1nF

Key Features

  • extremely high sensitivity while very low standby power consumption. 2. Chip Characteristics.
  • Built-in fast self-capacitance detection circuit and high-performance DSP module.
  • Support online programming;.
  • Built-in watchdog;.
  • Multiple buttons support;.
  • Support standby gesture wake-up function.
  • Capacitive screen support.
  • Support up to 14 sensing channels;.
  • Support channel floating/pull-down design;.
  • Module parameters are automatically adjusted.
  • P.

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Datasheet Details

Part number CST816S
Manufacturer WAVESHARE
File Size 839.10 KB
Description High performance self-capacitance touch controller
Datasheet download datasheet CST816S Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CST816S Datasheet High performance self-capacitance touch chip Rev： V1.4 www.waveshare.com/wiki 1. Overview CST816S self-capacitance touch chip, using high-speed MCU core and embedded DSP circuit, combined with its own fast self-capacitance sensing technology, support a variety of selfcapacitance patterns including triangles, and realize single-point and real two-point gestures on it. It features extremely high sensitivity while very low standby power consumption. 2. Chip Characteristics  Built-in fast self-capacitance detection circuit and high-performance DSP module  Support online programming;  Built-in watchdog;  Multiple buttons support;  Support standby gesture wake-up function.