C8051F80x-83x Mixed Signal ISP Flash MCU Family Capacitance to Digital Converter High-Speed 8051 C Core - Supports buttons, sliders, wheels, and capacitive - Pipelined instruction architecture executes 70% of proximity sensing instructions in 1 or 2 system clocks - Fast 40 s per channel conversion time - Up to 25 MIPS throughput with 25 MHz clock - 16-bit resolution - Expanded interrupt handler - Up to 16 input channels Memory - Up to 512 bytes internal data RAM (256 + 256) - Auto-scan and wake-on-touch - Up to 16 kB Flash In-system programmable in - Auto-accumulate 4x, 8x, 16, 32x, and 64x samples 512-byte sectors Analog Peripherals Digital Peripherals - 10-Bit ADC - 17 or 13 Port I/O with high sink current Up to 500 ksps 2 Up to 16 external single-ended inputs - Hardware enhanced UART, SMBus (I C compati- VREF from on-chip VREF, external pin or V DD ble), and enhanced SPI serial ports Internal or external start of conversion source - Three general purpose 16-bit counter/timers Built-in temperature sensor - 16-Bit programmable counter array (PCA) with 3 - Comparator capture/compare modules and enhanced PWM Programmable hysteresis and response time functionality Configurable as interrupt or reset source - Real time clock mode using timer and crystal On-Chip Debug Clock Sources - On-chip debug circuitry facilitates full speed, non- intrusive in-system debug (no emulator required) - 24.5 MHz 2% Oscillator - Provides breakpoints, single stepping, Supports crystal-less UART operation inspect/modify memory and registers - External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes) - Superior performance to emulation systems using ICE-chips, target pods, and sockets - Can switch between clock sources on-the-fly useful in power saving modes - Low cost, complete development kit Supply Voltage 1.8 to 3.6 V - Built-in voltage supply monitor 24-Pin QSOP, 20-Pin QFN, 16-Pin SOIC Temperature Range: 40 to +85 C ANALOG DIGITAL I/O PERIPHERALS Port 0 UART SMBus P1.0- A 10-bit TEMP SPI M P1.3 500 ksps SENSOR U PCA ADC X P1.4- Timer 0 + P1.7 Timer 1 Capacitive Timer 2 P2.0 Sense VOLTAGE COMPARATOR 24.5 MHz PRECISION INTERNAL OSCILLATOR HIGH-SPEED CONTROLLER CORE 16 kB 8051 CPU 512 B RAM ISP FLASH (25 MIPS) FLEXIBLE DEBUG POR WDT INTERRUPTS CIRCUITRY Rev. 1.0 7/10 Copyright 2010 by Silicon Laboratories C8051F80x-83x CROSSBARC8051F80x-83x 2 Rev. 1.0