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 oscillator: Crystal, RC, C, or Clock Can switch between clock sources on-the-fly 32-pin LQFP (standard lead and lead-free packages) Lead-free package: C8051F221-GQ Standard package: C8051F221 Memory Two parators Digital Peripherals VDD Monitor and Brown-out Detector .. - On-chip emulation circuitry facilitates full-speed, non-intrusive, in-circuit On-Chip JTAG Debug - emulation Supports breakpoints, single stepping, watchpoints, inspect/modify memory, and registers Superior performance to emulation systems using ICE-chips, target pods, and sockets Fully pliant with IEEE 1149.1 specification Typical operating current: 9 m A at 25 MHz Typical stop mode current: <0.1 u A Clock Sources Package Ordering Part Numbers Supply Voltage: 2.7 to 3.6 V Temperature Range: - 40 to +85 °C VDD GND Analog/Digital Power Port 0 Latch UART Timer 0 Timer 1 Timer 2 P 0 M U X P 0 D r v P0.0/TX P0.1/RX P0.2//INT0 P0.3//INT1 P0.4/T0 P0.5/T1 P0.6/T2 P0.7/T2EX TCK TMS TDI TDO...