C8051F97x Low Power Capacitive Sensing MCU with up to 32 kB of Flash Low Power Consumption - 200 µA/MHz in active mode (24.
5 MHz clock) - 2 µs wakeup time - 55 nA sleep mode with brownout detector - 280 nA sleep mode with LFO - 600 nA sleep mode with external crystal Capacitance Sense Interface - Supports buttons, sliders, wheels, and proximity sensing - Fast 40 µs per channel conversion time - 16-bit resolution, up to 43 input channels - Auto scan and wake-on-touch - Auto-accumulate up to 64x samples 10-Bit Analog-to-Digital Converter - Up to 43 external pin input channels, up to 300 ksps - Internal VREF or external VREF supported Clock Sources - Internal oscillators: 24.
5 MHz, ±2% accuracy...

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