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