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 & Downloads

Title language Type Format File Size Date
Application Notes & White Papers
R8C/38T-A Group Using Springs with Touch MCUs 日本語 Application Note PDF 623 KB
R8C/38T-A Group Random measurement: Touch detection using random timing 日本語 Application Note PDF 253 KB
R8C/38T-A Group Application of Capacitive touch technology to a metal panel 日本語 Application Note PDF 302 KB
R8C/38T-A Group Touch API Reference (R8C/38T-A Group) 日本語 Application Note PDF 911 KB
R8C/33T Group Note of the touch detection with the Watchdog Timer processing 日本語 Application Note PDF 275 KB
R8C/33T Group Note of the touch detection with the voltage monitor processing 日本語 Application Note PDF 266 KB
R8C/38T-A Group Summary of Noise Countermeasures 日本語 Application Note PDF 1.65 MB
R8C/33T Group Development case of LED dimmer by PWM with touch detecting 日本語 Application Note PDF 480 KB
R8C/33T Group Reducing the power consumption in stand-by mode 日本語 Application Note PDF 297 KB
R8C/33T Group The implement of the inverter noise immunity by SCU setting – Application Note PDF 1.88 MB
R8C/33T Group Details of touch slider detection principle 日本語 Application Note PDF 929 KB
R8C/38T-A Group Wheel operation technique of touch key 日本語 Application Note PDF 268 KB
R8C/38T-A Group Water film effect on a cap touch key 日本語 Application Note PDF 172 KB
R8C/33T Group Sharing operations of Touch detection & A/D Conversion 日本語 Application Note PDF 244 KB
R8C/38T-A Group MW broadcasting noise immunity improvement by SCU adjustment 日本語 Application Note PDF 1.17 MB
R8C/38T-A Group Touch sensor IC principle of detection and adjustment of the external circuit 日本語 Application Note PDF 853 KB
R8C/38T-A Group Cap Touch Sensitivity Adjustment Flow Chart 日本語 Application Note PDF 1.19 MB
R8C/38T-A Group The basic principle of capacitive touch 日本語 Application Note PDF 1.66 MB
R8C/33T Group Touch API Reference (R8C/33T Group) 日本語 Application Note PDF 496 KB
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