MSP430 Family MSP430FRxx Series Microcontrollers 16位微控制器:

The MSP430FR25x2 is a family of ultra-low-power MSP430™ microcontrollers (MCUs) for capacitive touch sensing that featureCapTIvate™ touch technology for cost-sensitive applications featuring 1 to 16 capacitive buttons or proximity sensing. The MSP430FR25x2 MCUs offer value and performance for industrial applications exposed to electromagnetic disturbances, oil, water, and grease.

• Fast Electrode Scanning With Two Simultaneous Scans
• Increased Immunity to Power Line, RF, and Other Environmental Noise
• Built-in Spread Spectrum, Automatic Tuning, Noise Filtering, and Debouncing Algorithms
• Up to 8 Self-Capacitance and 16 Mutual-Capacitance Electrodes
• Wide Range of Capacitance Detection, Wide Electrode Range of 0 to 300 pF
• Wake-on-Touch State Machine Allows Electrode Scanning While CPU is Asleep
• CapTIvate Design Center, PC GUI Lets Engineers Design and Tune Capacitive Buttons
• Active Mode: 120 µA/MHz (Typical)
• Standby: <4 µA="" Wake-on-Touch="" With="" Two="" Sensors<=""/>
• Low-Power Ferroelectric RAM (FRAM)