• Core

  Cortex-M4, 50 MHz

• Family

  EFM32GG11B Series

• Sub-Family

  EFM32GG11B520

• CMSIS Pack

  GeckoPlatform_EFM32GG11B_DFP

- ARM Cortex-M4 at 72 MHz
- Ultra low energy operation in active and sleep modes
- Octal/Quad-SPI memory interface w/ XIP
- SD/MMC/SDIO Host Controller
- 10/100 Ethernet MAC with 802.3az EEE, IEEE1588
- Dual CAN 2.0 Bus Controller
- Crystal-free low-energy USB
- Hardware cryptographic engine supports AES, ECC, SHA, and TRNG
- Robust capacitive touch sense
- Footprint compatible with select EFM32 packages
- 5 V tolerant I/O

The EFM32 Giant Gecko Series 1 MCUs are the world's most energy-friendly microcontrollers, featuring new connectivity interfaces and user interface features.