C8051F972, C8051F97x Datasheet - Silicon Laboratories

C8051F972 Low Power Capacitive Sensing MCU

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 s.

C8051F972 Features

* 6 2.2.2. Crossbar 26 2.3. Clocking 27 2.4. Counters/Timers and PWM 27 2.4.1. Programmable Counter Array (PCA0) 27 2.4.2. Timers (Timer 0, Timer 1, Timer 2, and Timer 3) 27 2.5. Communications and other Digital Peripherals 28 2.5.1. Universal Asynchronous Receiver/Transmitter (UART0) 28 2.5.2. Se

C8051F97x-SiliconLaboratories.pdf