EFM32WG940F256-B-QFN64R vs EFM32LG940F128G-F-QFN64

This detailed comparison of EFM32WG940F256-B-QFN64R and EFM32LG940F128G-F-QFN64 in the Embedded - Microcontrollers provides valuable insights into their specifications and features. Key aspects such as Manufacturer, Package, Mounting Type, and core parameters are thoroughly analyzed. This side-by-side comparison simplifies component selection. To learn more, explore their datasheets or request a quote directly.

EFM32WG940F256-B-QFN64R

Silicon Labs

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EFM32LG940F128G-F-QFN64

Silicon Labs

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Specifications Hide identical items

Manufacturer	Silicon Labs	Silicon Labs
Package / Case	64-VFQFN Exposed Pad	64-VFQFN Exposed Pad
Description	IC MCU 32BIT 256KB FLASH 64QFN	IC MCU 32BIT 128KB FLASH 64QFN
In Stock	223	306
Mounting Type	Surface Mount	Surface Mount
Part Status	Active	Active
Series	Wonder Gecko	Leopard Gecko
Package	Tape & Reel (TR)	Tray
Core Processor	ARM® Cortex®-M4F	ARM® Cortex®-M3
Core Size	32-Bit	32-Bit
Speed	48MHz	48MHz
Connectivity	I²C, IrDA, SmartCard, SPI, UART/USART, USB	I²C, IrDA, SmartCard, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT	Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
Number of I/O	53	53
Program Memory Size	256KB (256K x 8)	128KB (128K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	-	-
RAM Size	32K x 8	32K x 8
Voltage - Supply (Vcc/Vdd)	1.98V ~ 3.8V	1.98V ~ 3.8V
Data Converters	A/D 8x12b SAR; D/A 2x12b	A/D 8x12b SAR; D/A 2x12b
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Supplier Device Package	64-QFN (9x9)	64-QFN (9x9)