EFM32WG940F128-QFN64T

Silicon Labs

Wonder Gecko

Tray

ARM® Cortex®-M4F

FLASH

32K x 8

52

-40°C ~ 85°C (TA)

Surface Mount

64-VFQFN Exposed Pad

64-QFN (9x9)

EFM32WG940

48MHz

32-Bit Single-Core

I²C, IrDA, SmartCard, SPI, UART/USART, USB

Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT

128KB (128K x 8)

1.98V ~ 3.8V

A/D 8x12b; D/A 2x12b

Internal

A-00000442 Security AdvisoryA-00000449 Security AdvisoryA-00000450 Security Advisory

EFM32 Wonder Gecko FamilyInternet of ThingsTicket Vending Machine

PB-1406251 25/Jun/2014

EFM32WG 04/Feb/2020

EFM32WG Family Errata