Specification	EFM32LG232F256G-E-QFP64

Connectivity	IrDA, SmartCard, I2C, UART/USART, SPI
Core Processor	ARM® Cortex®-M3
Core Size	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-TQFP
Peripherals	Brown-out Detect/Reset, WDT, DMA, PWM, POR
Program Memory Size	256 KB
Program Memory Type	FLASH
Speed	48 MHz
Supplier Device Package	64-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) [Max]	3.8 V
Voltage - Supply (Vcc/Vdd) [Min]	1.98 V

leopard-gecko Series

Part	Program Memory Size	Peripherals	Data Converters	Core Size	Program Memory Type	Oscillator Type	Connectivity	Supplier Device Package	Package / Case	Speed	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Core Processor	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Number of I/O	Supplier Device Package [x]	Supplier Device Package [y]
SILICON LABS EFM32LG390F128G-E-BGA112	128 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	EBI/EMI I2C IrDA SmartCard SPI UART/USART USB	112-BGA (10x10)	112-LFBGA	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	87
SILICON LABS EFM32LG380F256G-E-QFP100	256 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	EBI/EMI I2C IrDA SmartCard SPI UART/USART USB	100-LQFP (14x14)	100-LQFP	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	83
SILICON LABS EFM32LG990F256G-E-BGA112	256 KB	Brown-out Detect/Reset DMA LCD POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	EBI/EMI I2C IrDA SmartCard SPI UART/USART USB	112-BGA (10x10)	112-LFBGA	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	87
SILICON LABS EFM32LG232F256G-E-QFP64	256 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART	64-TQFP (10x10)	64-TQFP	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	53
SILICON LABS EFM32LG330F64G-E-QFN64	64 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit 32-Bit Single-Core	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART USB	64-QFN	64-VFQFN Exposed Pad	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	53	9	9
SILICON LABS EFM32LG332F256G-E-QFP64	256 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART USB	64-TQFP (10x10)	64-TQFP	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	50
SILICON LABS EFM32LG280F256G-E-QFP100	256 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit	FLASH	Internal	EBI/EMI I2C IrDA SmartCard SPI UART/USART	100-LQFP (14x14)	100-LQFP	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	86
SILICON LABS EFM32LG230F128G-E-QFN64	128 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit 32-Bit Single-Core	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART	64-QFN	64-VFQFN Exposed Pad	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	56	9	9
SILICON LABS EFM32LG840F64G-E-QFN64	64 KB	Brown-out Detect/Reset DMA LCD POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit 32-Bit Single-Core	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART	64-QFN	64-VFQFN Exposed Pad	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	56	9	9
SILICON LABS EFM32LG230F256G-E-QFN64	256 KB	Brown-out Detect/Reset DMA POR PWM WDT	A/D 8x12b D/A 2x12b	32-Bit 32-Bit Single-Core	FLASH	Internal	I2C IrDA SmartCard SPI UART/USART	64-QFN	64-VFQFN Exposed Pad	48 MHz	85 C	-40 ¯C	Surface Mount	ARM® Cortex®-M3	3.8 V	1.98 V	56	9	9