Overview

Within Renesas' well-established 16-bit standard R8C microcontrollers (MCUs) lineup, the R8C/3xT Group is ideal for touch sensor systems. This group of MCUs integrates a capacitive touch detection circuit, providing the functionality of a touch sensor IC, and thereby meeting the requirements of customers for compact size, low power consumption and strong noise tolerance.

System Block Diagram

Touch Sensor System Block Diagram

Documentation

Title Type Date
R8C/38T-A Group Using Springs with Touch MCUs
PDF623 KB日本語
Application Note
R8C/33T Group Note of the touch detection with the Watchdog Timer processing
PDF275 KB日本語
Application Note
R8C/33T Group Note of the touch detection with the voltage monitor processing
PDF266 KB日本語
Application Note
R8C/38T-A Group Application of Capacitive touch technology to a metal panel
PDF302 KB日本語
Application Note
R8C/38T-A Group Random measurement: Touch detection using random timing
PDF253 KB日本語
Application Note
R8C/38T-A Group Touch API Reference (R8C/38T-A Group)
PDF911 KB日本語
Application Note
R8C/33T Group Details of touch slider detection principle
PDF929 KB日本語
Application Note
R8C/33T Group Development case of LED dimmer by PWM with touch detecting
PDF480 KB日本語
Application Note
R8C/33T Group Reducing the power consumption in stand-by mode
PDF297 KB日本語
Application Note
R8C/33T Group The implement of the inverter noise immunity by SCU setting
PDF1.88 MB
Application Note
R8C/38T-A Group Summary of Noise Countermeasures
PDF1.65 MB日本語
Application Note
R8C/33T Group Sharing operations of Touch detection & A/D Conversion
PDF244 KB日本語
Application Note
R8C/33T Group Touch API Reference (R8C/33T Group)
PDF496 KB日本語
Application Note
R8C/38T-A Group Cap Touch Sensitivity Adjustment Flow Chart
PDF1.19 MB日本語
Application Note
R8C/38T-A Group MW broadcasting noise immunity improvement by SCU adjustment
PDF1.17 MB日本語
Application Note
R8C/38T-A Group The basic principle of capacitive touch
PDF1.66 MB日本語
Application Note
R8C/38T-A Group Touch sensor IC principle of detection and adjustment of the external circuit
PDF853 KB日本語
Application Note
R8C/38T-A Group Water film effect on a cap touch key
PDF172 KB日本語
Application Note
R8C/38T-A Group Wheel operation technique of touch key
PDF268 KB日本語
Application Note
info: For device-specific or order-specific documentation, submit a support request.