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25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU

Capacitance to Digital Converter

- Supports buttons, sliders, wheels, and capacitive proximity sensing

- Fast 40 μs per channel conversion time

- 16-bit resolution

- Up to 14 input channels

- Auto-accumulate up to 64x samples

Ultra-Low Power

- 150 μA/MHz active current from 1.8–3.6 V @ 25 MHz

- 10 nA sleep current with data retention; BOD disabled

- 50 nA sleep current with data retention; BOD enabled

- 300 nA sleep current with smaRTClock (internal oscillator)

- 600 nA sleep current with smaRTClock (external crystal)

- 2 μs wake up from sleep

Supply Voltage 1.8 to 3.6 V

- Built-in brown-out detector

- On-chip LDO regulator for core supply

Analog to Digital Converter

- 75 ksps with 12-bit resolution (F990/6)

- 330 ksps with 8-bit resolution

- Up to 10-channels

- Autonomous burst mode with 16-bit averaging accumulator

- VREF from external pin, VDD, or internal regulator

- Built-in temperature sensor

Internal 6-Bit Current Reference

- 2 ranges: source or sink capability

- Up to 14-bit resolution via PWM interpolation Comparator

- Programmable hysteresis and response time

- Configurable as interrupt or reset source

- Low current (< 0.4 μA)

Development Kit: C8051F996DK