Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCUC8051F99x-C8051F98xRev. 1.0 11/10Copyright © 2010 by Silicon LaboratoriesC8051F99x-C8051F98xUltra Low Power Consumption-150 µA/MHz in active mode (24.5 MHz clock)-2 µs wakeup time-10 nA sleep mode with memory retention-50 nA sleep mode with brownout detector-300 nA sleep mode with LFO-600 nA sleep mode with external crystalSupply Voltage 1.8 to 3.6 V-Built-in LDO regulator allows a high analog supplyvoltage and low digital core voltage-2 built-in supply monitors (brownout detector) forsleep mode and active modes12-Bit or 10-Bit Analog to Digital Converter-±1 LSB INL (10-bit mode); ±1.5 LSB INL(12-bit mode) no missing codes-Programmable throughput up to 300 ksps(10-bit mode) or 75 ksps (12-bit mode)-Up to 10 external inputs-On-chip voltage reference; 0.5x gain allows measur-ing voltages up to twice the reference voltage-16-bit auto-averaging accumulator with burst modeprovides increased ADC resolution-Data dependent windowed interrupt generator-Built-in temperature sensorCapacitive Sense Interface (F99x)-Supports buttons, sliders, wheels, and capacitiveproximity sensing-Fast 40 µs per channel conversion time-16-bit resolution, up to 14 input channels-Auto scan and wake-on-touch-Auto-accumulate up to 64x samplesAnalog Comparator-Programmable hysteresis and response time-Configurable as wake-up or reset source6-Bit Programmable Current Reference-Up to ±500 µA, can be used as a bias or forgenerating a custom reference voltage-PWM enhanced resolution modeHigh-Speed 8051 µC Core-Pipelined instruction architecture; executes 70% ofinstructions in 1 or 2 system clocks-Up to 25 MIPS throughput with 25 MHz clock-Expanded interrupt handlerMemory-512 bytes RAM-8 kB (F990/1/6/7, F980/1/6/7), 4 kB (F982/3/8/9), or2 kB (F985) Flash; in-system programmableDigital Peripherals-Up to 17 port I/O; high sink current andprogrammable drive strengthHardware SMBus™/I2C™, SPI™, and UART serialports available concurrently-Four general purpose 16-bit counter/timers-Programmable 16-bit counter/timer array with threecapture/compare modules and watchdog timerClock Sources-Internal oscillators: 24.5 MHz, 2% accuracysupports UART operation; 20 MHz low poweroscillator requires very little bias current.-External oscillator: Crystal, RC, C, or CMOS Clock-SmaRTClock oscillator: 32 kHz Crystal or internal-Can switch between clock sources on-the-fly; usefulin implementing various power saving modesOn-Chip Debug-On-chip debug circuitry facilitates full-speed, non-intrusive in-system debug (no emulator required)-Provides breakpoints, single stepping-Inspect/modify memory and registers-Complete development kitPackages-20-pin QFN (3 x 3 mm)-24-pin QFN (4 x 4 mm)-24-pin QSOP (easy to hand-solder)Temperature Range: –40 to 85 °CANALO G PERIPHERALS12/10-bit75/300 kspsADC8/4/2 kBISP FLASH512B SR AMPO RDEBUGC IRC UITRYFLEXIBLEINTERR UPTS8051 CPU(25 M IPS)TEM PSEN SORDIG ITAL I/O24.5 M Hz PREC ISIO NIN TERNAL O SCILLATO RHIG H-SPEED CO NTRO LLER CO REAMUXVOLTAG ECOM PAR ATO R –WDTUARTSM BusPCATim er 0Tim er 1Tim er 2Tim er 3Port 0SPIIR EFPort 1Port 2VR EG20 M H z LO W PO W ERIN TERNAL OSCILLATO RVR EFCRCHARDW ARE sm aRTClockExternal O scillatorCapacitiveSense
