[SILICON LABS] Analog Peripherals 10-Bit ADC (C8051F380/1/2/3 only) - Up to 500 ksps - Built-in analog multiplexer with single-ended and differential mode - VREF from external pin, internal reference, or VDD - Built-in temperature sensor - External conversion start input option Two Comparators Internal Voltage Reference (C8051F380/1/2/3 Only) Brown-Out Detector and POR Circuitry USB Function Controller - USB specification 2.0 compliant - Full-speed (12 Mbps) or low-speed (1.5 Mbps) operation - Integrated clock recovery; no external crystal required for full-speed or low-speed - Supports eight flexible endpoints - 1 kB USB buffer memory - Integrated transceiver; no external resistors required 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 Supply Voltage: 1.8 to 3.6 V - Voltages from 2.7 to 5.25 V supported using on-chip voltage regulators Temperature Range: –40 to +85 °C High-Speed 8051 µC Core - Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks - Up to 48 MIPS operation - Expanded interrupt handler Memory - 4352 or 2304 Bytes RAM - 64 or 32 kB Flash; In-system programmable in 512-byte sectors Digital Peripherals - 40/25 Port I/O; All 5 V tolerant with high sink current - Hardware enhanced SPI™, two I²C/SMBus™, and two enhanced UART serial ports - Six general purpose 16-bit counter/timers - 16-bit programmable counter array (PCA) with five capture/compare modules - External Memory Interface (EMIF) - Clock Sources Clock Sources - Internal Oscillator: ±0.25% accuracy with clock recovery enabled. Supports all USB and UART modes - External Oscillator: Crystal, RC, C, or clock (1 or 2 Pin modes) - Low Frequency (80 kHz) Internal Oscillator - Can switch between clock sources on-the-fly Package - 48-pin TQFP (C8051F380/2/4/6) - 32-pin LQFP (C8051F381/3/5) - 5x5 mm 32-pin QFN (C8051F381/3/5)
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