C8051F920 Datasheet | Silicon Labs

C8051F93x-C8051F92x Single/Dual Battery, 0.9- 3.6 V, 64/32 k B, Sma RTClock, 10-Bit ADC MCU Supply Voltage 0.9 to 3.6 V - One-Cell Mode supports 0.9 to 1.8 V operation - Two-Cell Mode supports 1.8 to 3.6 V operation - Built-in dc-dc converter with 1.8 to 3.3 V output for use in one-cell mode Built-in LDO regulator allows a high analog supply voltage and low digital core voltage - 2 built-in supply monitors (brownout detectors) 10-Bit Analog to Digital Converter - ±1 LSB INL; no missing codes - Programmable throughput up to 300 ksps - Up to 23 external inputs - On-Chip Voltage Reference - On-Chip PGA allows measuring voltages up to twice the reference voltage - 16-bit Auto-Averaging Accumulator with Burst Mode provides increased ADC resolution - Data dependent windowed interrupt generator - Built-in temperature sensor 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 Memory - 4352 bytes internal data RAM (256 + 4096) - 64 k B (‘F93x) or 32 k B (‘F92x) Flash; In-system programmable in 1024-byte sectors- 1024 bytes are reserved in the 64 k B devices Digital Peripherals - 24 or 16 port I/O; All 5 V tolerant with high sink  current and programmable drive strength Hardware SMBus™ (I2C™ patible), 2 x SPI™, and UART serial ports available concurrently Four general purpose 16-bit counter/timers Programmable 16-bit counter/timer array with six capture/pare modules and watchdog timer Hardware Sma RTClock operates down to 0.9 V and requires less than 0.5 µA supply current Two parators - Programmable hysteresis and response time - Configurable as wake-up or reset source - Up to 23 Capacitive Touch Sense Inputs 6-Bit Programmable Current Reference - Up to ±500 µA. Can be used as a bias or for generating a custom reference voltage Clock Sources - Internal oscillators: 24.5 MHz, 2% accuracy supports UART operation; 20 MHz low power...