EFM32 Pearl Gecko MCUs

Silicon Labs Pearl Gecko 32-bit microcontroller (MCU) family provides a powerful 32-bit ARM® Cortex®-M4 and a range of peripherals. The peripherals include a unique cryptographic hardware engine that supports AES, ECC, and SHA. The Pearl Gecko 32-bit MCUs also feature an ultra-low current active mode and short wake-up time from energy-saving modes. The Pearl Gecko MCUs are ideal for battery-powered applications and other systems requiring high performance and low energy consumption.
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Description Datasheet Availability Pricing (HKD) 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
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Packaging
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
Datasheet
1,284In Stock
Min.: 1
Mult.: 1

EFM32PG SMD/SMT BGA-125 ARM Cortex M4 1.02 MB 32 bit 12 bit 40 MHz 65 I/O 256 kB 1.8 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
Datasheet
948In Stock
1,300Expected 23/10/2026
Min.: 1
Mult.: 1

EFM32PG SMD/SMT QFN-48 ARM Cortex M4 1.02 MB 32 bit 12 bit 40 MHz 33 I/O 256 kB 1.8 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
436In Stock
2,450Expected 1/12/2026
Min.: 1
Mult.: 1

EFM32PG SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 24 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray


Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU
Datasheet
688In Stock
Min.: 1
Mult.: 1

EFM32PG SMD/SMT QFN-48 ARM Cortex M4 128 kB 32 bit 12 bit 40 MHz 32 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
11In Stock
Min.: 1
Mult.: 1

EFM32PG SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 32 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
2In Stock
Min.: 1
Mult.: 1

EFM32PG SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 20 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

EFM32PG SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 24 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

EFM32PG SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 20 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Reel
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

EFM32PG SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 12 bit 40 MHz 32 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Reel