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Silicon Labs

Capacitive Touch Sense MCUs » C8051F811-GS

Order Number Distributor Stock    
C8051F811-GS Available Directly From Manufacturer QUOTE
Capacitance to Digital Converter
    - Supports buttons, sliders, wheels, and capacitive proximity sensing
    - Fast 40 µs per channel conversion time
    - 16-bit resolution
    - Up to 16 input channels
    - Auto-scan and wake-on-touch
    - Auto-accumulate 4x, 8x, 16, 32x, and 64x samples
Analog Peripherals
    - 10-Bit ADC
      • Up to 500 ksps
      • Up to 16 external single-ended inputs
      • VREF from on-chip VREF, external pin or VDD
      • Internal or external start of conversion source
      • Built-in temperature sensor
    - Comparator
      • Programmable hysteresis and response time
      • Configurable as interrupt or reset source
On-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
    - Superior performance to emulation systems using ICE-chips, target pods, and sockets
    - Low cost, complete development kit
High-Speed 8051 µC Core
    - Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
    - Up to 25 MIPS throughput with 25 MHz clock
    - Expanded interrupt handler
    - Up to 512 bytes internal data RAM (256 + 256)
    - Up to 16 kB Flash; In-system programmable in 512-byte sectors
Digital Peripherals
    - 17 or 13 Port I/O with high sink current
    - Hardware enhanced UART, SMBus™ (I2C compatible), and enhanced SPI™ serial ports
    - Three general purpose 16-bit counter/timers
    - 16-Bit programmable counter array (PCA) with 3 capture/compare modules and enhanced PWM functionality
    - Real time clock mode using timer and crystal
Clock Sources
    - 24.5 MHz ±2% Oscillator
      • Supports crystal-less UART operation
    - External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes)
    - Can switch between clock sources on-the-fly; useful in power saving modes
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

Data Sheet