C8051F221 Datasheet | Silicon Labs

25 MIPS, 8 k B Flash, 8-Bit ADC, 32-Pin Mixed-Signal MCU Analog Peripherals 8-Bit ADC High-Speed 8051 µC Core - - ±1/2 LSB INL; no missing codes Programmable throughput up to 100 ksps 32 external inputs (each port I/O can be configured as an ADC input onthe-fly) Programmable amplifier gain: 16, 8, 4, 2, 1, 0.5 Data-dependent windowed interrupt generator VREF from external pin or VDD Programmable hysteresis Configurable to generate interrupts or reset Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks Up to 25 MIPS throughput with 25 MHz system clock Expanded interrupt handler; up to 21 interrupt sources 256 bytes data RAM 8 k B Flash; in-system programmable in 512 byte sectors (512 bytes are reserved) 22 port I/O; all are 5 V tolerant Hardware SPI™ and UART serial ports available concurrently 3 general-purpose 16-bit counter/timers Dedicated watchdog timer; bidirectional reset Internal programmable oscillator: 2- 16 MHz External...