Silicon Labs’ portfolio of 8-bit and 32-bit MCUs offers device makers a one-stop solution for wired and wireless application development. With fast access to proven developer resources, our platform offers a full complement of low-power, high-speed microcontrollers, development kits, specialized example code, and advanced debugging capabilities, as well as easier migration to wireless functionality across protocols.
| 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 | EFM32PG28 | EFM8 Busy Bee |
32-bit EFM32 Cortex-M and Precision32 Microcontrollers
Highly integrated, low power Cortex-M-based Microcontrollers
Features
- 21 μA/MHz Active
- 0.9 μA sleep with RAM and RTCC
- 3 μs wake time from sleep
Applications
- Smart Meters
- Industrial Automation
- Home Automation
- Industrial Control Hubs
- Factory Optimization
- Communication Hubs
- Consumer Products
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8-bit 8051-based EFM8 and C8051 Microcontrollers
Highly optimized, flexible and integrated 8051 based Microcontrollers
Features
- 72 MHz pipelined 8051 core
- High performance analog
- Flexible digital and analog pin routing
Applications
- Consumer Products
- Motor Control
- Lighting Control
- Remote Controls
- Smoke Detectors
- Mobile Devices
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Featured 32-bit MCU Kits
