https://www.silabs.com/mcu/32-bit-microcontrollers/efm32-tiny-gecko/device.efm32tg840f8-qfn64?tab=softwareandtools
EFM32TG840F8-QFN64 - Silicon Labs
The EFM32TG840F8-QFN64 is an ARM Cortex-M3 based microcontroller (MCU) with speeds up to 32 MHz. Built on top of a low-power platform that includes innovative...
siliconlabs
https://www.wg.com.pl/pl/elnec/adapter/70-1053-dil48-qfn64-zif-cs-avr32-1
DIL48/QFN64 ZIF-CS AVR32-1
zifcs