EFM32 Leopard Gecko 32-Bit Microcontrollers

Silicon Labs EFM32 Leopard Gecko 32-Bit Microcontrollers are part of the world's most energy-friendly microcontrollers and will provide Flash memory configurations up to 256KB with the added option of embedded USB connectivity, direct-drive TFT, EBI and CPU speeds up to 48MHz. All Leopard MCUs include the same autonomous, low-energy peripherals found in the Gecko family, like AES encryption, Pulse Counter, Low Energy UARTs in addition to the Low Energy Sensor interface LESENSE and on-chip Operational Amplifiers. These devices target energy-sensitive applications with high memory requirements and connectivity requirements.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 800
Mult.: 800

EFM32LG SMD/SMT TQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,300
Mult.: 1,300

EFM32LG SMD/SMT QFN-64 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

EFM32LG SMD/SMT QFN-64 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 86 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 86 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT BGA-120 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 93 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 83 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 83 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 83 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 450
Mult.: 450

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 85 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 85 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,300
Mult.: 1,300

EFM32LG SMD/SMT BGA-120 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 93 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 450
Mult.: 450

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 81 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 450
Mult.: 450

EFM32LG SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 81 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT BGA-112 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 90 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT BGA-112 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 90 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 840
Mult.: 840

EFM32LG SMD/SMT BGA-112 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 90 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

EFM32LG SMD/SMT BGA-112 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 87 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 840
Mult.: 840

EFM32LG SMD/SMT BGA-112 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 86 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
: 2,500

EFM32LG SMD/SMT CSP-81 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 65 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
Non-Stocked
Min.: 200
Mult.: 100

EFM32LG SMD/SMT CSP-81 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 65 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB
Datasheet
Non-Stocked
Min.: 200
Mult.: 100

EFM32LG SMD/SMT CSP-81 ARM Cortex M3 64 kB 32 bit 12 bit 48 MHz 65 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 64KB
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
: 2,500

EFM32LG SMD/SMT CSP-81 ARM Cortex M3 64 kB 32 bit 12 bit 48 MHz 65 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel