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Silicon Labs EFM8BB31F16I-D-5QFN32 8-bit 8051 Microcontroller, 50 MHz, 16kB Flash, 32-Pin QFN
Specifications
| Country of Origin | India |
|---|---|
| Brand | Silicon Labs |
| Height | 0.55mm |
| Length | 4mm |
| Model | EFM8BB31F16I-D-5QFN32 |
| Width | 4mm |
| Mount Type | Surface |
| Series | EFM8BB |
| Maximum Operating Temperature | 125°C |
| Package Type | QFN |
| Minimum Operating Temperature | -40°C |
| Ram size | 2.25kB |
| Pin Count | 32 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 2.2V |
| Device Core | 8051 |
| Program Memory Size | 16kB |
| Maximum Clock Frequency | 50MHz |
| Number of Programmable I/Os | 29 |
| Analogue Comparators | 2 |
| Maximum Expanded Memory Size | 8bit |
| Number of Timers | 6 |
| Instruction Set Architecture | RISC |
| ADCs | 1 x 12 Bit |
| Program Memory Type | FLASH |
| DACs | 4 x 12 Bit |
Key Features
- Features a pipelined 8-bit 8051 MCU core for high-speed processing.
- Operates at a maximum clock frequency of 50 MHz for optimized performance.
- Offers 16kB Flash program memory for reliable data storage.
- Integrated 4 x 12-bit DACs, 1 x 12-bit ADC, and internal temperature sensor.
- Supports surface mount in a 32-pin QFN package measuring 4mm x 4mm x 0.55mm.
- Provides up to 29 programmable I/O pins for versatile connectivity.
- Wide supply voltage range from 2.2V to 3.6V for flexible integration.
- Includes 2 analogue comparators and 6 timers for advanced control functions.
Product Description
Silicon Labs EFM8BB31F16I-D-5QFN32 is a high-performance 8-bit microcontroller designed for demanding embedded and industrial control applications. Equipped with a pipelined 8051 core, the device offers efficient processing speeds up to 50 MHz. Its compact 32-pin QFN package and surface mount design enable integration into space-constrained circuit boards.
This MCU features generous 16kB Flash memory for robust firmware storage, backed by 2.25kB of RAM. Integrated analog peripherals include a 12-bit ADC, four 12-bit DACs with synchronization and PWM capabilities, and two low-current analog comparators with built-in reference DACs, all supporting precise sensing and signal generation.
Additional hardware capabilities comprise an internal temperature sensor and multiple communication interfaces, while up to 29 programmable I/Os ensure versatile connectivity for interfacing with sensors, actuators, and external devices. The device supports an instruction set architecture optimized for RISC programming.
Pipelined 8-bit 8051 MCU core with 50 MHz operating frequency. 16kB Flash program memory and 2.25kB RAM. Integrated 4 x 12-bit DACs, 1 x 12-bit ADC, and temperature sensor. 32-pin QFN package with surface mount compatibility.
Wide supply voltage range (2.2V to 3.6V), suitable for various environments. Up to 29 programmable multifunction I/O pins. 2 analog comparators, 6 configurable timers. Automotive standard AEC-Q100 qualified for reliable operation.
Ideal for applications such as industrial automation, HVAC, instrumentation, consumer electronics, and automotive systems. Its robust analog and digital feature set makes it suitable for general-purpose control, sensor interface, and communication solutions.
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Frequently Asked Questions
The maximum operating frequency of the EFM8BB31F16I-D-5QFN32 microcontroller is 50 MHz.
This model offers 16kB of Flash program memory for reliable data storage.
It comes in a 32-pin QFN package, measuring 4mm x 4mm x 0.55mm, and is designed for surface mount applications.
The supply voltage range for the EFM8BB31F16I-D-5QFN32 is from 2.2V to 3.6V.
This unit provides up to 29 programmable I/O pins for versatile connectivity.
It includes 4 x 12-bit DACs, 1 x 12-bit ADC, and an internal temperature sensor.
The RAM size of this microcontroller is 2.25kB.
The operating temperature range for this model is from -40°C to 125°C.
There are 6 configurable timers available in the EFM8BB31F16I-D-5QFN32.
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
It utilizes an instruction set architecture optimized for RISC programming.
This microcontroller is ideal for applications such as industrial automation, HVAC, instrumentation, consumer electronics, and automotive systems.
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