EFM32TG822F16-QFP48T

Microcontrollers Overview

The EFM32TG822F16-QFP48T is a 32-bit microcontroller based on the ARM Cortex-M3 processor, operating at a maximum frequency of 32 MHz. It features 16 kB of Flash memory and 4 kB of RAM. The device is housed in a TQFP-48 package with an operating temperature range of -40°C to +85°C and a supply voltage range of 1.98 V to 3.8 V.

Microcontrollers Feature Summary

• Ultra-low power operation with current consumption as low as 0.6 μA in Stop mode and 150 μA/MHz in Run mode.
• Integrated hardware AES accelerator for secure data encryption and decryption.
• Includes Low Energy Sensor Interface (LESENSE) for autonomous sensor monitoring in Deep Sleep Mode.
• Features a pre-programmed UART bootloader supporting autobaud and destructive write.

Microcontrollers Applications

• Smart metering
• Water metering
• Gas metering
• Industrial and home automation
• Alarm and security systems

Microcontrollers Procurement Notes

Verify the specific ordering code against official Silicon Labs documentation to ensure correct memory size and package type. Confirm that the component meets RoHS compliance standards and check for any Not Recommended for New Design (NRND) status updates prior to finalizing procurement plans.

Microcontrollers Selection Notes

Select this model when a balance of moderate flash capacity and ultra-low power performance is required. The TQFP48 package offers accessible pin routing compared to smaller QFN options. Ensure the application benefits from the integrated LESENSE and DMA capabilities for efficient peripheral management.

Microcontrollers Part Context

This part belongs to the EFM32 Tiny Gecko family, designed for energy-sensitive applications. It utilizes the ARM Cortex-M3 core to deliver high performance while maintaining low active and sleep mode currents. The family supports various packages including QFN, BGA, and TQFP to suit different board space constraints.

Microcontrollers Replacement Considerations

EFM32TG822F16-D-QFP48T

Microcontrollers FAQ

What is the wake-up time from energy saving modes?

The device features a fast wake-up time of 2 µs from energy saving modes.

Does the EFM32TG822F16 support autonomous peripheral signaling?

Yes, it includes an 8-channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling without CPU intervention.

What analog peripherals are included in this MCU?

It includes a 12-bit ADC, a 12-bit DAC, up to three Operational Amplifiers, Analog Comparators, and the Low Energy Sensor Interface (LESENSE).