EFM stands for Energy Friendly Microcontrollers, and the number 32 relates to the 32-bit processor (Cortex-M3[12]).
EFM32 Gecko Microcontrollers
The first 22 EFM32 Gecko microcontrollers are available now. The Gecko microcontrollers contain the G-prefix followed by the device name and Flash memory size, e.g. EFM32_G_890F128.
Device Family↓ Flash Range (KB)↓ RAM Range (KB)↓ LCD↓ ADC↓ DAC↓ EBI↓ Hardware AES↓ GPIO↓ Package↓
EFM32G890Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 90 BGA112
EFM32G880Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 86 QFP100
EFM32G840Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32G290Fx 32/64/128 8/16/16 - 12-bit 12-bit Yes 128/256-bit keys 90 BGA112
EFM32G280Fx 32/64/128 8/16/16 - 12-bit 12-bit Yes 128/256-bit keys 86 QFP100
EFM32G230Fx 32/64/128 8/16/16 - 12-bit 12-bit - 128/256-bit keys 56 BGA112
EFM32G210Fx 128 16 - 12-bit 12-bit - 128/256-bit keys 24 QFN32
EFM32G200Fx 16/32/64 8/8/16 - 12-bit 12-bit - - 24 QFN32
EFM32 Tiny Gecko Microcontrollers
The first 13 EFM32 microcontrollers were announced in March 2010. The Tiny Gecko microcontrollers contain the TG-prefix followed by the device name and Flash memory size, e.g. EFM32_TG_840F32.
Device Family↓ Flash Range (KB)↓ RAM Range (KB)↓ LCD↓ ADC↓ DAC↓ OPAMP↓ Hardware AES↓ GPIO↓ Package↓
EFM32TG840Fx 8/16/32 2/4/4 4x24 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32TG230Fx 8/16/32 2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32TG200Fx 8/16/32 2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 24 QFN32
EFM32TG100Fx 4/8/16/32 1/2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 12 QFN20
EFM32 Giant Gecko Microcontrollers
The 48 large memory EFM32 Giant Gecko microcontrollers were announced in July 2010. These devices include USB and up to 1024 KB Flash Memory. The Giant Gecko microcontrollers contain the GG-prefix followed by the device name and Flash memory size, e.g.EFM32_GG_xxxFxxx.
EFM32 Gecko Microcontrollers
The first 22 EFM32 Gecko microcontrollers are available now. The Gecko microcontrollers contain the G-prefix followed by the device name and Flash memory size, e.g. EFM32_G_890F128.
Device Family↓ Flash Range (KB)↓ RAM Range (KB)↓ LCD↓ ADC↓ DAC↓ EBI↓ Hardware AES↓ GPIO↓ Package↓
EFM32G890Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 90 BGA112
EFM32G880Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 86 QFP100
EFM32G840Fx 32/64/128 8/16/16 4x40 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32G290Fx 32/64/128 8/16/16 - 12-bit 12-bit Yes 128/256-bit keys 90 BGA112
EFM32G280Fx 32/64/128 8/16/16 - 12-bit 12-bit Yes 128/256-bit keys 86 QFP100
EFM32G230Fx 32/64/128 8/16/16 - 12-bit 12-bit - 128/256-bit keys 56 BGA112
EFM32G210Fx 128 16 - 12-bit 12-bit - 128/256-bit keys 24 QFN32
EFM32G200Fx 16/32/64 8/8/16 - 12-bit 12-bit - - 24 QFN32
EFM32 Tiny Gecko Microcontrollers
The first 13 EFM32 microcontrollers were announced in March 2010. The Tiny Gecko microcontrollers contain the TG-prefix followed by the device name and Flash memory size, e.g. EFM32_TG_840F32.
Device Family↓ Flash Range (KB)↓ RAM Range (KB)↓ LCD↓ ADC↓ DAC↓ OPAMP↓ Hardware AES↓ GPIO↓ Package↓
EFM32TG840Fx 8/16/32 2/4/4 4x24 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32TG230Fx 8/16/32 2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 56 QFN64
EFM32TG200Fx 8/16/32 2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 24 QFN32
EFM32TG100Fx 4/8/16/32 1/2/4/4 - 12-bit 12-bit Yes 128/256-bit keys 12 QFN20
EFM32 Giant Gecko Microcontrollers
The 48 large memory EFM32 Giant Gecko microcontrollers were announced in July 2010. These devices include USB and up to 1024 KB Flash Memory. The Giant Gecko microcontrollers contain the GG-prefix followed by the device name and Flash memory size, e.g.EFM32_GG_xxxFxxx.
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