Low-Voltage/Low-Power MCUs

Product catalog summary

Overview: The document provides technical specifications for the C8051F920 microcontroller by Silicon Laboratories, designed for low-voltage and low-power applications. It supports single/dual battery operation with a supply voltage range of 0.9 to 3.6 V and features a 32 kB Flash memory, 10-bit ADC, and smaRTClock.

Specifications:

Supply Voltage: 0.9 to 3.6 V, with one-cell mode supporting 0.9–1.8 V and two-cell mode supporting 1.8–3.6 V.
Memory: 32 kB Flash, 4352 bytes internal RAM.
ADC: 10-bit resolution, up to 300 ksps, with up to 23 external inputs.
Clock Sources: Internal oscillators (24.5 MHz and 20 MHz), external oscillator options, and smaRTClock.
Package Options: Available in 32-pin QFN and LQFP packages.

Features:

Power Management: Built-in DC-DC converter for one-cell mode, low sleep mode current (< 0.1 µA).
Digital Peripherals: Includes UART, SPI, SMBus, and 16-bit counter/timers.
Comparators: Two comparators with programmable hysteresis and response time.
Debugging: On-chip debug circuitry for non-intrusive in-system debugging.

Electrical Specifications:

Supply Current: 4.1 mA with CPU active at 24.5 MHz.
Wakeup Time: 2 µs in two-cell mode, 10 µs in one-cell mode.
Temperature Range: –40 to +85 °C.

Package Information: Detailed dimensions for 32-pin QFN and LQFP packages are provided, including pin configurations and size specifications.

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