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[Reference Solution] Nuvoton Bluetooth Low Energy Microcontroller M031BT for Personal Electronic Massager [Copy link]

 

In recent years, due to the continuous innovation of consumer electronics and the demand for personal health care, the global market for various massage equipment has continued to grow. Eye massagers, shoulder and neck massagers, foot massagers, massage chairs, etc. are very common. According to market research reports, the global electronic massage instrument market is expected to grow at a CAGR of more than 6% from US$661 million from 2020 to 2024, which shows the booming development of the market for such products.

As a leading microcontroller manufacturer, Nuvoton has launched the NuMicro M031BT for this application market, which integrates advanced and precise control functions and has Bluetooth Low Energy 5.0 (BLE5.0). The M031BT series operates at a frequency of 48 MHz and has a maximum built-in 128 KB Flash and 16 KB SRAM. It provides 12 channels of 96 MHz PWM to provide brushless DC motor control drive, high sampling rate ADC for voltage sampling, UART serial port for debugging or update needs, and multiple groups of I/O interfaces for customers to use according to their respective applications. The above are all excellent performances of M031BT in control functions to meet the needs of various electronic massage equipment to launch diversified user mode switching.

NuMicro M031BT personal electronic massager application diagram

Nuvoton NuMicro M031BT series provides BLE 5.0 and 2.4 GHz dual-mode functions, providing up to +8 dBm RF transmission power, -92 dBm good receiving sensitivity, 1 Mb/s or 2 Mb/s transmission speed for RF applications, and can provide outstanding anti-noise performance in 2.4 GHz interference-severe environments, improving communication distance and reliability. In applications that use the BLE5.0 transparent transmission function for data transmission, Nuvoton has also prepared a mobile phone APP that can be used to test online communication for customer development reference.


NuMicro M031BT Bluetooth transmission test APP

In order to protect the intellectual property of developers, the NuMicro M031BT series has an additional security protection Flash block (SPROM, Security Protection ROM) embedded to provide an independent and secure encrypted execution area to protect key program codes. The memory lock function (Flash lock bits) design provides firmware to prevent external access or write protection. Each M031BT has a 96-bit chip unique serial number (Unique Identification, UID) and a 128-bit unique customer serial number (Unique Customer Identification, UCID), which greatly improves the confidentiality and code security of the product.

Compared to the traditional form of using a control MCU plus a Bluetooth communication module, the NuMicro M031BT series integrates control and wireless transmission functions. The QFN48 package area is only 5mm x 5mm. Together with Nuvoton's transparent transmission example program and antenna reference design, Bluetooth low energy application development becomes quite easy.

This post is from Domestic Chip Exchange

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