Fudan Micro MCU team has launched the FM33FR0xx series MCU touch development kit, which helps users experience and learn about the FM33FR0xx series MCU. With the touch test board included in the kit, users can easily develop their touch applications. The FM33FR0xx series MCU is based on the ARM Cortex-M0+ core, a 32-bit low-power chip with a main frequency of 48MHz, supporting up to 384KB Flash & 32KB RAM, and also features 8KB DATA Flash integrated capacitive touch key controller, and 14 Touch channels; with temperature compensation RTC, ADC, HDIV, COMP, AES; and communication peripheral interfaces such as UART, I2C-SMBUS, SPI; supporting various packages including LQFP100/LQFP80/LQFP64/LQFP44.
FM33FR0xx series MCU has a wide range of applications in smart appliances, smart homes, industrial control, and IoT communication. The Fudan Micro MCU team not only relies on high-quality customer service and deep expertise in high-reliability MCU technology to actively develop the smart appliance market but also engages in deep cooperation and technical exchanges with leading domestic appliance companies.
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Brief Description
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| Figure 1. FM33FR0xx series MCU development board and touch test board |
As shown in Figure 1 (a) and (b), the FM33FR0xx series development board and touch test board are displayed. Currently, the development board is equipped with FM33FR026 and FM33FR056, featuring 2 digital tubes, keys KEY, 3-color LED, and other IO ports such as simulation interface SWD, serial port, and touch IO have all been brought out. The touch test board supports point touch, proximity sensing, and slider touch methods.
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Circuit Principle
Figure 2. FM33FR0x6 Pin Definition Diagram
Figure 2 shows the pin definition diagram corresponding to the 64 PIN module of the FM33FR0x6
Figure 3. Simulation Interface Supports SWD Debugging
Figure 3 shows the simulation interface, supporting SWD debugging, allowing chip debugging with fewer pins, thus reducing the use of IO resources.
Figure 4. Digital Tube, LED Related Circuit
Figure 4 shows the circuit for the digital tube, LED, and three-color LED, which can enhance interaction capabilities. It can also create small light and digital display demo for application verification.
Figure 5. Touch 14 Channel Interface Wiring
Figure 5 shows the wiring of the touch test board interface. To facilitate customers in developing touch applications, the Fudan Micro MCU team has developed the TSI Tuner tool (available for download on the Fudan Micro Developer Forum). This tool allows users to create the required touch application demo.
Figure 6. Serial Port Interface CircuitFigure 6 shows the UART1 and UART2 serial ports, facilitating customers in sending and receiving data via serial ports.
Figure 7. General Interface CircuitFigure 7 shows the general interface, which includes SPI, advanced timers, LCD display, comparators, and other commonly used analog and digital peripherals.
Figure 8. Touch Test Board Circuit DiagramFigure 8 shows the touch test board corresponding to the 14 channels for point touch and slider methods. This test board uses self-capacitance principles to detect changes in capacitance to sense touch. Other related materials about the FM33FR0xx series development board can be consulted and downloaded from the Fudan Micro Developer Forum. Touch development board related materials
Recommended Development Tools:
Fudan Micro｜MFANG
MFANG is a professional vertical online chip application and configuration tool launched by the Fudan Micro MCU team, allowing Fudan Micro MCU users to efficiently complete chip configuration and generate project code with one click. The latest MFANG v2.4 offers various practical features such as chip visual configuration, project management, product indexing, example center, data download center, and clock tree configuration, supporting multiple mainstream series to meet the development needs of a wide range of Fudan Micro MCU users, significantly shortening the MCU development cycle.
TSI Tuner Tool
TSI Tuner software is a development tool launched with the touch function of Fudan Micro MCU TSI, facilitating users to quickly establish touch application prototype designs and adjust module parameters.
- Summary
The Fudan Micro MCU team adheres to technology innovation as the core and customer service as the purpose. The deep MCU technology accumulated in the industry continuously provides users with products that are highly reliable, safe, and long-lasting. In the future, the Fudan Micro MCU team will rely on its core technology to continuously empower industries such as industrial control, smart power, smart appliances, automotive electronics, and new energy.Taobao Purchase Link:
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