Microcontrollers

Manufacturers Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package

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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package
EFM32LG332F128G-E-QFP64

EFM32LG332F128G-E-QFP64

IC MCU 32BIT 128KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG332F128G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, POR, PWM, WDT 50 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG230F128G-E-QFN64

EFM32LG230F128G-E-QFN64

IC MCU 32BIT 128KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG230F128G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 56 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG230F64G-E-QFN64

EFM32LG230F64G-E-QFN64

IC MCU 32BIT 64KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG230F64G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 56 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG232F128G-E-QFP64

EFM32LG232F128G-E-QFP64

IC MCU 32BIT 128KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG232F128G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 53 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG232F64G-E-QFP64

EFM32LG232F64G-E-QFP64

IC MCU 32BIT 64KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG232F64G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 53 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG280F128G-E-QFP100

EFM32LG280F128G-E-QFP100

IC MCU 32BIT 128KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG280F128G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 86 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG280F64G-E-QFP100

EFM32LG280F64G-E-QFP100

IC MCU 32BIT 64KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG280F64G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, POR, PWM, WDT 86 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG330F64G-E-QFN64

EFM32LG330F64G-E-QFN64

IC MCU 32BIT 64KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG330F64G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, POR, PWM, WDT 53 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG380F128G-E-QFP100

EFM32LG380F128G-E-QFP100

IC MCU 32BIT 128KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG380F128G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, POR, PWM, WDT 83 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG380F64G-E-QFP100

EFM32LG380F64G-E-QFP100

IC MCU 32BIT 64KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG380F64G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, POR, PWM, WDT 83 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG390F128G-E-BGA112

EFM32LG390F128G-E-BGA112

IC MCU 32BIT 128KB FLASH 112BGA

Silicon Labs

0
RFQ
EFM32LG390F128G-E-BGA112Datasheet 112-LFBGA Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, POR, PWM, WDT 87 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG840F128G-E-QFN64

EFM32LG840F128G-E-QFN64

IC MCU 32BIT 128KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG840F128G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 56 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG840F64G-E-QFN64

EFM32LG840F64G-E-QFN64

IC MCU 32BIT 64KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG840F64G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 56 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG842F128G-E-QFP64

EFM32LG842F128G-E-QFP64

IC MCU 32BIT 128KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG842F128G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 53 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG880F128G-E-QFP100

EFM32LG880F128G-E-QFP100

IC MCU 32BIT 128KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG880F128G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 86 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG880F64G-E-QFP100

EFM32LG880F64G-E-QFP100

IC MCU 32BIT 64KB FLASH 100LQFP

Silicon Labs

0
RFQ
EFM32LG880F64G-E-QFP100Datasheet 100-LQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 86 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG890F128G-E-BGA112

EFM32LG890F128G-E-BGA112

IC MCU 32BIT 128KB FLASH 112BGA

Silicon Labs

0
RFQ
EFM32LG890F128G-E-BGA112Datasheet 112-LFBGA Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 90 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG940F128G-E-QFN64

EFM32LG940F128G-E-QFN64

IC MCU 32BIT 128KB FLASH 64QFN

Silicon Labs

0
RFQ
EFM32LG940F128G-E-QFN64Datasheet 64-VFQFN Exposed Pad Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 53 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG942F128G-E-QFP64

EFM32LG942F128G-E-QFP64

IC MCU 32BIT 128KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG942F128G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 50 128KB (128K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM32LG942F64G-E-QFP64

EFM32LG942F64G-E-QFP64

IC MCU 32BIT 64KB FLASH 64TQFP

Silicon Labs

0
RFQ
EFM32LG942F64G-E-QFP64Datasheet 64-TQFP Leopard Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M3 32-Bit Single-Core 48MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT 50 64KB (64K x 8) FLASH - 32K x 8 1.98V ~ 3.8V A/D 8x12b; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount

Category Overview

Microcontrollers Products & Selection Guide

Microcontrollers are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Microcontrollers. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Microcontrollers?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

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