Ultra-Low-Power Microcontroller ICs SiM3L1xx, the latest, most power efficient addition to the Precision32™ 32-bit microcontroller family, the field proven SiM3U1xx and SiM3C1xx 32-bit microcontroller families and the C8051F9xx 8-bit microcontroller family comprise the most advanced, flexible and complete ultra-low-power MCUs in the market. They are optimized to be industry leading across active mode, sleep mode as well as wake up time modes. Silicon Labs' 32-bit microcontroller devices leverage our state-of-the-art, patented low power design technologies, the de facto standard 32-bit ARM microcontroller core and best in class peripherals to achieve power reduction within every block of the MCU design, resulting in reduced costs, longer battery life and unparalleled ease of development. Download the Low-Power Solutions Guide
Advanced System Level Power Savings Enables dramatic power savings in all operational modes 32-bit Development Tools Modular hardware system with everything needed to evaluate and develop code Free Software Tools Eclipse-based IDE with full compiler, debugger & AppBuilder rapid prototyping tool
Ultra-Low-Power Microcontroller Products Low-Power Family Core Flash Memory* MIPS RAM Dig. I/O* Active/Sleep* Dev Kit C8051F90x-91x 8-bit 16 kB 25 768 16 160 µA/MHz /50 nA C8051F912DK C8051F92x-93x 8-bit 64kB 25 4352 24 170 µA/MHz/50 nA C8051F930DK C8051F96x 8-bit 128 kB 25 8448 57 110 µA/MHz /50 nA C8051F960DK C8051F98x 8-bit 8 kB 25 512 17 150 µA/MHz/10 nA C8051F996DK C8051F99x 8-bit 8 kB 25 512 17 150 µA/MHz/10 nA C8051F996DK Si100x 8-bit 64 kB 25 4352 22 170 µA/MHz/65nA Si1000DK Si101x 8-bit 16 kB 25 768 15 160 µA/MHz/25nA Si1010DK Si102x/3x 8-bit 128 kB 25 8448 53 110 µA/MHz / 50 nA Si1020DKSi1024DK SiM3C1xx 32-bit 256 kB 80 32768 65 275 µA/MHz / 85 nA SiM3C1xxDK SiM3L1xx NEW 32-bit 256 kB 80 32768 62 175 µA/MHz /200 nA SiM3L1xxDK SiM3U1xx 32-bit 256 kB 80 32768 65 275 µA/MHz / 85 nA SiM3U1xxDK * Denotes maximum value in family
Watch Videos Reducing LCD Power Using a 32-bit Microcontroller Designing for Ultra-Low Power Operation
Learn More Application Notes Selected application notes to support microcontroller designs. Low Power MCU Design Basics Learn the three most important factors that you should consider when analyzing microcontroller power efficiencies. Designing Low Power Systems Explore what silicon choices and software decisions you must make to optimize for low power. Implementing Energy Harvesting Take a closer look at how to design an embedded system for perpetual operation.
Online Utilities MCU Parametric Search Find MCU products by defining your application and technical requirements. Cross-Reference Search Enter full or partial competitor part numbers and quickly find replacement parts. Battery Life Calculator Battery life estimator to help optimize low-power applications.