Rapidly evaluate and prototype a wide variety of industrial and consumer devices using our low-power, fast speed microcontrollers, development kits, specialized example code (like energy monitoring, USB, LCD, touch sensors), and advanced debugging capabilities.
Our 32-bit MCUs enable high functioning, low-power systems by leveraging an EFM32™ ARM® Cortex®. While our EFM8™ 8051-based MCUs deliver the industry’s fastest speeds and lowest power.
32-bit EFM32 Cortex M and Precision32 Microcontrollers | 8-bit 8051-based EFM8 and C8051 Microcontrollers | |
Core | Cortex-M0+, M3, M4, and M33 | Optimized 8051 (70% of the instructions executed in 1 cycle) |
Core Frequency | Up to 80 MHz | Up to 72 MHz |
Active Current | Down to 21 μA/MHz | Down to 150 μA/MHz |
Sleep Current | Down to 900 nA with RTCC and RAM | Down to 300 nA with RTC |
Wake Times | Down to 3 μs | Down to 2 μs |
ADC | Up to 16-bit SAR ADC | Up to 14-bit SAR ADC |
GPIOs | 15 - 144 | 13 - 40 |
Flash | Up to 2048 kB | Up to 64 kB |
RAM | Up to 512 kB | Up to 4 kB |
Featured Product | EFM32PG23 | EFM8 Busy Bee |
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