CM8561 is a multi-touch key OTP type single-chip microcomputer, manufactured by CMOS technology, high-performance, low-power 8-bit microprocessor, stable performance, high anti-interference. The chip supports up to 5 touch channels, IO hold or synchronous output, etc. The chip can be output in multiple modes through software control. The chip can be widely used in small home appliances, smart homes, touch bracelets, AI smart products and other DC touch button detection products to realize product intelligence.