Overview
Description
The capacitive touch plus serial LCD reference design can display a microwave-style operation screen on a QVGA LCD module connected via SPI to an RX Family MCU. The capacitive-touch button and slider are made of transparent electrodes, which emerge white from the black housing when illuminated by LED backlights. The circuit diagrams of the substrates and the design information of transparent electrodes and housings published on this page can be used as a reference for your product development.
The following two versions are available depending on the number of display colors and other functions you want to achieve.
- RX671 version: 16-bit color, best for supporting RTOS/cloud function
- RX140 version: 4-bit grayscale, best for low power and low cost
Applications
Documentation
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| Type | Title | Date |
| PCB Design Files | RX-TOUCH-LCD-POC Design Files
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| Application Note |
PDF
2.10 MB
日本語
AI-generated Summary:
The document details the RX140 flat panel HMI PoC featuring touch keys, a touch slider, and a 240×320 LCD, designed to simulate microwave oven controls. It explains the hardware system configuration including RSPI, CTSU2SL, GPIO, SPI, buzzer, MTU, DTC, and LED components. The software stack integrates e2 studio, QE for Capacitive Touch, Smart Configurator, QE for Display & emWin, GUI middleware, and various drivers. The document covers sample program flowcharts, peripheral settings, and detailed operation sequences for touch inputs and display control. It also includes instructions for importing projects and running demonstrations with cooking, defrost, and recipe settings. The package contains source code, GUI assets, and configuration files to facilitate development and testing.
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| Application Note |
PDF
3.41 MB
日本語
AI-generated Summary:
The RX671 PoC integrates capacitive touch keys, a touch slider, and a 240x320 LCD to simulate microwave oven control, enabling intuitive HMI development for IoT devices. It supports OTA firmware updates via cloud connectivity, enhancing remote maintenance and feature upgrades. The system combines hardware components like RX671 MCU, Wi-Fi IoT module, and peripherals such as buzzer and LEDs, coordinated through software layers including Amazon FreeRTOS, emWin GUI middleware, and drivers for touch, display, and communication interfaces. The document details sample program structures, flowcharts for touch and LCD control, project import procedures, demonstration steps, and firmware update methods, facilitating rapid prototyping and development of flat panel HMI solutions with OTA capabilities.
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3 items
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Design & Development
Sample Code
Sample Code
Filters
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| Type | Title | Date Date |
| Sample Code | RX140 Flat panel HMI PoC with touch keys and LCD Rev.1.00
[Software=RX Driver Package|V1.38],[Toolchains=CC-RX|V3.05.00]
ZIP
103.36 MB
日本語
Application:
Consumer Electronics, Industrial
Compiler:
CC-RX
Function:
HMI
IDE:
e2 studio
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| Sample Code | RX671 OTA-supported flat panel HMI PoC with touch keys and LCD Rev.1.00
[Software=RX Driver Package|V1.38],[Toolchains=CC-RX|V3.05.00]
ZIP
228.95 MB
日本語
Application:
Consumer Electronics, Industrial
Compiler:
CC-RX
Function:
HMI
IDE:
e2 studio
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2 items
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Videos & Training
This video introduces the reference design for serial TFT-LCD QVGA display and capacitive touch functions controlled by a single-chip RX MCU.
For more information, please refer to Serial LCD + Touch Reference Design.
Additional Videos
News & Blog Posts
Blog Post Jun 12, 2023 |
Partners
Segger Microcontroller GmbH
A GUI tool for lightweight, free-of-charge library for RX devices. An emWin FIT module can be downloaded from FIT Modules.
Support
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