Specification	EFM32GG940F1024G-E-QFN64

Connectivity	IrDA, SmartCard, I2C, UART/USART, SPI
Core Processor	ARM® Cortex®-M3
Core Size	32-Bit Single-Core, 32-Bit
Data Converters	A/D 8x12b, D/A 2x12b
Mounting Type	Surface Mount
Number of I/O	53
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Oscillator Type	Internal
Package / Case	64-VFQFN Exposed Pad
Peripherals	POR, WDT, DMA, LCD, Brown-out Detect/Reset, PWM
Program Memory Size	1 MB
Program Memory Type	FLASH
RAM Size	128 K
Speed	48 MHz
Supplier Device Package	64-QFN
Supplier Device Package [x]	9
Supplier Device Package [y]	9
Voltage - Supply (Vcc/Vdd) [Max]	3.8 V
Voltage - Supply (Vcc/Vdd) [Min]	1.98 V

EFM32GG940 Series

Part	Core Size	Program Memory Size	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Peripherals	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of I/O	Package / Case	Speed	Program Memory Type	RAM Size	Oscillator Type	Supplier Device Package	Supplier Device Package [x]	Supplier Device Package [y]	Data Converters	Connectivity	Core Processor
SILICON LABS EFM32GG940F1024G-E-QFN64	32-Bit 32-Bit Single-Core	1 MB	3.8 V	1.98 V	Brown-out Detect/Reset DMA LCD POR PWM WDT	Surface Mount	85 C	-40 ¯C	53	64-VFQFN Exposed Pad	48 MHz	FLASH	128 K	Internal	64-QFN	9	9	A/D 8x12b D/A 2x12b	I2C IrDA SmartCard SPI UART/USART	ARM® Cortex®-M3
SILICON LABS EFM32GG940F1024G-E-QFN64R	32-Bit 32-Bit Single-Core	1 MB	3.8 V	1.98 V	Brown-out Detect/Reset DMA LCD POR PWM WDT	Surface Mount	85 C	-40 ¯C	53	64-VFQFN Exposed Pad	48 MHz	FLASH	128 K	Internal	64-QFN	9	9	A/D 8x12b D/A 2x12b	I2C IrDA SmartCard SPI UART/USART	ARM® Cortex®-M3
SILICON LABS EFM32GG940F512-QFN64	32-Bit 32-Bit Single-Core	512 KB	3.8 V	1.85 V	Brown-out Detect/Reset DMA LCD POR PWM WDT	Surface Mount	85 C	-40 ¯C	53	64-VFQFN Exposed Pad	48 MHz	FLASH	128 K	Internal	64-QFN	9	9	A/D 8x12b D/A 2x12b	I2C IrDA SmartCard SPI UART/USART	ARM® Cortex®-M3
SILICON LABS EFM32GG940F512-QFN64T	32-Bit 32-Bit Single-Core	512 KB	3.8 V	1.85 V	Brown-out Detect/Reset DMA LCD POR PWM WDT	Surface Mount	85 C	-40 ¯C	53	64-VFQFN Exposed Pad	48 MHz	FLASH	128 K	Internal	64-QFN	9	9	A/D 8x12b D/A 2x12b	I2C IrDA SmartCard SPI UART/USART	ARM® Cortex®-M3

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

ARM® Cortex®-M3 Giant Gecko Microcontroller IC 32-Bit Single-Core 48MHz 1MB (1M x 8) FLASH 64-QFN (9x9)