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8bit MCUs aimed at low-power IoT apps

Posted: 05 Mar 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Silicon Labs? MCU? IoT? USB? capacitive?

Silicon Labs has rolled out what it says are its next-generation 8bit MCU line-up intended for ultra-low-power, small-footprint Internet of Things (IoT) applications. According to the company, the EFM8 MCU portfolio includes three lines of highly integrated, peripheral-rich MCUs optimised for exceptional price/performance value, ultra-low-power capacitive touch control and streamlined USB connectivity.

The MCUs claim to bring industry-leading simplicity, power efficiency, performance and cost-saving integration to every 8bit application that embedded developers can imagine including home and building automation, wearables, consumer electronics, toys, motor control and industrial IoT.


The EFM8 MCU family meets IoT developer needs with an unparalleled combination of features and capabilities including a high-speed pipelined 8051 core, ultra-low power, precision analogue and enhanced communication peripherals, integrated oscillators, small-footprint packages and an advanced crossbar architecture that enables flexible digital and analogue multiplexing to simplify PCB design and I/O pin routing.

The EFM8 Bee family includes three MCU lines optimised for specific developer needs and applications.

EFM8 Busy Bee

EFM8BB Busy Bee MCUs promise an optimal balance of no-compromise performance, power efficiency and value for cost-sensitive applications. With core speeds scaling up to 50MHz and 2KB to 16KB flash sizes, the MCUs offer an array of high-performance peripherals including a 12bit ADC. The MCUs are geared for motor control applications (toys, fans and tools), power supplies, battery chargers, sensor controllers, consumer electronics and communication bridges.

EFM8 Sleepy Bee

EFM8SB Sleepy Bee MCUs are Silicon Labs' most energy-friendly 8bit devices offering industry-leading sleep mode power (50nA with full memory retention and brown-out detection) and ultra-fast 2s wake-up time, flaunted the company. Core speeds scale up to 25MHz, and flash sizes range from 2KB to 64KB. The MCUs integrate a best-in-class capacitive sense controller offering an ultra-low-power

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