With the surge in demand for seamless and convenient touch interactions from smart home appliances, Zhongwei Semiconductor (Shenzhen) Co., Ltd. (hereinafter referred to as Zhongwei Semiconductor, Stock Code: 688380) announced the launch of its32-bit high-performance touch control chip series based on the Arm Cortex®-M0+ core: CMS32F759 and CMS32F737. These two touch chips feature a rich set of peripheral modules, strong anti-interference capabilities, and high touch sensitivity, and are designed with advanced power consumption management to provide excellent human-machine interface (HMI) solutions for large household appliances such as refrigerators, air conditioners, washing machines, water heaters, dishwashers, etc., contributing to industry upgrading.
Core advantages: powerful performance, high degree of integration, stable and reliable.
The CMS32F759/737 series is positioned as "big resources, high performance, high reliability", with a variety of resources integrated in the chip, which helps to reduce the cost of system design. Its release marks a major breakthrough in the field of 32-bit touch technology by Zhongwei Semiconductor.
> Powerful kernel and resources
Equipped with a 64MHz main frequency Arm Cortex®-M0+ core, featuring up to 256KB Flash ROM, 16KB SRAM and 3.5KB Data Flash, it provides a solid processing foundation for complex tasks such as user interaction logic, data transmission, and graphics processing.
> High-sensitivity touch control performance
Adopting patented touch algorithm, it supports up to 49 high-sensitivity touch channels, with strong water resistance, water overflow detection performance, and is resistant to interference (CS static and dynamic 10V), and has low radiation characteristics, ensuring stable and reliable operation in complex electromagnetic household appliance scenarios.
> Ultra-high integration
High current LED driver (8COMx28SEG) and LCD driver (8COMx36SEG)
High precision 12 bit ADC (60 channels, 1.2Msps)
Multiple communication interfaces (UART, I2C, SPI)
6-channel EPWM, 8-channel DMA, hardware division unit, etc.
> Multiple security
Enhanced security features such as flash memory protection, unique identity (128-bit UID), CRC check, SFR protection, frequency/ADC detection, etc., as well as excellent ESD, EFT, CS anti-interference performance, ensure the safety of end products.
> Advanced Power Consumption Design
Outstanding low power performance, supporting sleep and deep sleep, allowing the device to consume extremely low current in standby mode, effectively extending the usage time of battery-powered devices or energy-saving household appliances.
> Development convenience
The CMS32F759/737 series offers LQFP44/48/64 packaging, supporting pin-to-pin compatible solutions. Zhongwei Semiconductor's touch ARM full product family has a compatible pinout distribution, with a high code reuse rate, significantly reducing the difficulty of development and accelerating product上市.
The launch of the CMS32F759/737 series fills the gap in the high-performance touch MCUs based on Arm cores in the domestic appliance market, enhancing its competitiveness.With its outstanding performance, integration, and reliability, this product is expected to become a key driving force for upgrading the touch control interaction experience in smart appliances.
(Reprinted from the WeChat official account: Zhongwei Semiconductor)