EFM32HG350F32G-A-CSP36

Microcontrollers Overview

The EFM32HG350F32G-A-CSP36 is a 32-bit ARM Cortex-M0+ microcontroller operating at up to 25 MHz. It features 32 kB of Flash memory and 8 kB of RAM. The device supports a supply voltage range of 1.98 V to 3.8 V and operates within a temperature range of -40°C to +85°C. It includes 22 GPIO pins, a 12-bit ADC, USB Device interface, I2C, USART, LEUART, and multiple timers. Energy modes include Shutoff (20 nA), Stop (0.6 µA), Deep Sleep (0.9 µA), and Sleep (53 µA/MHz).

Microcontrollers Feature Summary

• Integrated Low Energy USB with on-chip PHY and crystal-free operation capability.
• Peripheral Reflex System enables autonomous inter-peripheral signaling without CPU intervention.
• Hardware AES accelerator provides secure encryption and decryption with 128-bit keys.
• Configurable push-pull or open-drain GPIOs with individual drive strength and filtering options.

Microcontrollers Applications

• Smart accessories and wearables
• Health and fitness applications
• Alarm and security systems
• Industrial and home automation

Microcontrollers Procurement Notes

Verify the specific ordering suffix 'A' against current Silicon Labs documentation to confirm package and temperature grade specifications. Confirm that the CSP36 package type aligns with your PCB assembly capabilities. Check for any preliminary status updates in the latest datasheet revision regarding electrical characteristics or pinout definitions before finalizing design.

Microcontrollers Selection Notes

Select this component when a balance of low power consumption and USB connectivity is required in a compact footprint. The 32 kB Flash size suits applications with moderate code requirements. Ensure the design accommodates the WLCSP package handling constraints and light sensitivity if exposed during operation.

Microcontrollers Part Context

This part belongs to the EFM32 Happy Gecko family, designed for energy-friendly embedded applications. It utilizes the ARM Cortex-M0+ core architecture. The HG350 variant specifically targets cost-sensitive markets while maintaining robust peripheral sets including USB and analog converters.

Microcontrollers Replacement Considerations

EFM32HG350F32G-B-CSP36

Microcontrollers FAQ

Does the EFM32HG350F32G-A-CSP36 support crystal-free USB operation?

Yes, the integrated Low Energy USB peripheral includes a dedicated oscillator with clock recovery mechanism, allowing for crystal-free operation.

What is the maximum resolution of the Analog to Digital Converter?

The ADC is a Successive Approximation Register (SAR) architecture with a resolution of up to 12 bits.