EFM32LG840F64-QFN64T

Obsolete

Silicon Labs

IC MCU 32BIT 64KB FLASH 64QFN

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Search across all available documentation for this part.

DocumentsA-00000442 Security Advisory A-00000449 Security Advisory +2

EFM32LG840F64-QFN64T

Obsolete

Silicon Labs

IC MCU 32BIT 64KB FLASH 64QFN

Deep-Dive with AI

DocumentsA-00000442 Security Advisory A-00000449 Security Advisory +2

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM32LG840F64-QFN64T

Connectivity	UART/USART, IrDA, SmartCard, SPI, I2C
Core Processor	ARM® Cortex®-M3
Core Size	32-Bit Single-Core
Data Converters [custom]	8, 2
Data Converters [custom]	12b, 12b
Mounting Type	Surface Mount
Number of I/O	56
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	64-WFQFN Exposed Pad
Peripherals	WDT, PWM, LCD, POR, Brown-out Detect/Reset, DMA
Program Memory Size	64 KB
Program Memory Type	FLASH
Speed	48 MHz
Voltage - Supply (Vcc/Vdd) [Max]	3.8 V
Voltage - Supply (Vcc/Vdd) [Min]	1.98 V

leopard-gecko Series

Part	Core Processor	Program Memory Size	Package / Case	Program Memory Type	Number of I/O	Oscillator Type	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Speed	Connectivity	Data Converters	Peripherals	Core Size	Supplier Device Package	Data Converters [custom]	Data Converters [custom]
Silicon Labs EFM32LG330F64G-F-QFN64R	ARM® Cortex®-M3	64 KB	64-VFQFN Exposed Pad	FLASH	53	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART USB	2 8 12 b 12 b	Brown-out Detect/Reset DMA I2S POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)
Silicon Labs EFM32LG230F64-QFN64T	ARM® Cortex®-M3	64 KB	64-VFQFN Exposed Pad	FLASH	56	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART		Brown-out Detect/Reset DMA POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)	2 8	12b 12b
Silicon Labs EFM32LG395F256G-E-BGA120R	ARM® Cortex®-M3	256 KB	120-VFBGA	FLASH	93	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	EBI/EMI I2C IrDA SmartCard SPI UART/USART USB		Brown-out Detect/Reset DMA POR PWM WDT	32-Bit Single-Core	120-BGA (7x7)	2 8	12b 12b
Silicon Labs EFM32LG230F64G-F-QFN64R	ARM® Cortex®-M3	64 KB	64-VFQFN Exposed Pad	FLASH	56	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART	2 8 12 b 12 b	Brown-out Detect/Reset DMA I2S POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)
Silicon Labs EFM32LG230F128G-E-QFN64R	ARM® Cortex®-M3	128 KB	64-VFQFN Exposed Pad	FLASH	56	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART		Brown-out Detect/Reset DMA POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)	2 8	12b 12b
Silicon Labs EFM32LG840F64-QFN64T	ARM® Cortex®-M3	64 KB	64-WFQFN Exposed Pad	FLASH	56	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART		Brown-out Detect/Reset DMA LCD POR PWM WDT	32-Bit Single-Core		2 8	12b 12b
Silicon Labs EFM32LG330F64G-E-QFN64	ARM® Cortex®-M3	64 KB	64-VFQFN Exposed Pad	FLASH	53	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART USB		Brown-out Detect/Reset DMA POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)	2 8	12b 12b
Silicon Labs EFM32LG942F256G-E-QFP64R	ARM® Cortex®-M3	256 KB	64-VFQFN Exposed Pad	FLASH	50 I/O	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART USB		Brown-out Detect/Reset DMA LCD POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)	2 8	12b 12b
Silicon Labs EFM32LG330F128G-F-QFN64R	ARM® Cortex®-M3	128 KB	64-VFQFN Exposed Pad	FLASH	53	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART USB	2 8 12 b 12 b	Brown-out Detect/Reset DMA I2S POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)
Silicon Labs EFM32LG230F64-QFN64	ARM® Cortex®-M3	64 KB	64-VFQFN Exposed Pad	FLASH	56	Internal	1.98 V	3.8 V	Surface Mount	85 °C	-40 °C	48 MHz	I2C IrDA SmartCard SPI UART/USART		Brown-out Detect/Reset DMA POR PWM WDT	32-Bit Single-Core	64-QFN (9x9)	2 8	12b 12b

Pricing

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

Distributor	Package	Quantity	$

Description

General part information

leopard-gecko Series

ARM® Cortex®-M3 Leopard Gecko Microcontroller IC 32-Bit Single-Core 48MHz 64KB (64K x 8) FLASH

EFM32LG840F64-QFN64T

Deep-Dive with AI

EFM32LG840F64-QFN64T

Deep-Dive with AI

Technical Specifications

leopard-gecko Series

Pricing

Description

leopard-gecko Series

Documents

A-00000442 Security Advisory

A-00000449 Security Advisory

Datasheet

A-00000450 Security Advisory

leopard-gecko Series