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| PartNumber | EFR32BG21A010F1024IM32-BR | EFR32BG21A010F512IM32-BR | EFR32BG21A010F1024IM32-B |
| Description | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| RoHS | Y | Y | Y |
| Type | Bluetooth | Bluetooth | Bluetooth |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Operating Frequency | 2.4 GHz | 2.4 GHz | 2.4 GHz |
| Output Power | 10 dBm | 10 dBm | 10 dBm |
| Operating Supply Voltage | 1.8 V to 3.8 V | 1.8 V to 3.8 V | 1.8 V to 3.8 V |
| Program Memory Size | 1024 kB | 512 kB | 1024 kB |
| Package / Case | QFN-32 | QFN-32 | QFN-32 |
| Length | 4 mm | 4 mm | 4 mm |
| Program Memory Type | Flash | Flash | Flash |
| Series | EFR32BG | EFR32BG | EFR32BG |
| Width | 4 mm | 4 mm | 4 mm |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Size | 96 kB | 64 kB | 96 kB |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, I2S, SPI, UART | I2C, I2S, SPI, UART | I2C, I2S, SPI, UART |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of I/Os | 20 I/O | 20 I/O | 20 I/O |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Development Kit | SLWSTK6006A | SLWSTK6006A | SLWSTK6006A |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | - | Yes |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| Factory Pack Quantity | 75 | 2500 | 75 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | Blue Gecko | Blue Gecko | Blue Gecko |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
| EFR32BG21A010F1024IM32-BR | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO | ||
| EFR32BG21A020F1024IM32-B | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO | ||
| EFR32BG21A010F512IM32-BR | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO | ||
| EFR32BG21A010F768IM32-BR | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO | ||
| EFR32BG21A010F1024IM32-B | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO | ||
| EFR32BG21A010F1024IM32-B | IC MCU 2.4G 10DB BLUETOOTH 5.1 | ||
| EFR32BG21A010F1024IM32-BR | IC MCU 2.4G 10DB BLUETOOTH 5.1 | ||
| EFR32BG21A010F512IM32-BR | IC MCU 2.4G 10DB BLUETOOTH 5.1 | ||
| EFR32BG21A010F768IM32-BR | IC MCU 2.4G 10DB BLUETOOTH 5.1 | ||
| EFR32BG21A020F1024IM32-B | IC MCU 2.4G 20DB BLUETOOTH 5.1 | ||
Silicon Labs |
EFR32BG1V132F128GM32-C0 | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32 | |
| EFR32BG1V132F256GJ43-C0 | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, WLCP43, BLE | ||
| EFR32BG1V132F128GM48-C0 | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32kB RAM, +3 dBm, QFN32, BLE+H3050:H3074 | ||
| EFR32BG1V132F256GM48-C0R | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32kB RAM, +3 dBm, QFN32, BLE+H3050:H3074 | ||
| EFR32BG1V132F128GM48-B0R | RF System on a Chip - SoC Blue Gecko Value, 128 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN48 Package | ||
| EFR32BG1V132F256GM48-B0 | RF System on a Chip - SoC Blue Gecko Value, 256 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN48 Package | ||
| EFR32BG1V132F256GM32-B0 | RF System on a Chip - SoC Blue Gecko Value, 256 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN32 Package | ||
| EFR32BG1V132F128GM32-C0R | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32 | ||
| EFR32BG1V132F256GM32-C0 | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB Flash, 32 kB RAM, +3 dBm, QFN32 | ||
| EFR32BG1V132F128GM48-B0 | RF System on a Chip - SoC Blue Gecko Value, 128 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN48 Package | ||
| EFR32BG1V132F128GM32-B0R | RF System on a Chip - SoC Blue Gecko Value, 128 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN32 Package | ||
| EFR32BG1V132F128GM32-B0 | RF System on a Chip - SoC Blue Gecko Value, 128 KB Flash, 16 KB RAM, 0 dBm (TX Output Power), QFN32 Package | ||
| EFR32BG1V132F256GJ43-C0R | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, WLCP43, BLE | ||
| EFR32BG1V132F128GM48-C0R | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32kB RAM, +3 dBm, QFN32, BLE+H3050:H3074 | ||
| EFR32BG1V132F128GM32-B0 | Bluetooth v4.2 SMART SOC IoT 2Mbps 3.3V 32-Pin QFN EP | ||
| EFR32BG1V132F128GM32-B0R | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F128GM48-B0 | IC RF TXRX+MCU BLUETOOTH 48VFQFN | ||
| EFR32BG1V132F128GM48-B0R | IC RF TXRX+MCU BLUETOOTH 48VFQFN | ||
| EFR32BG1V132F256GJ43-C0 | BLUE GECKO VALUE, 256 KB FLASH | ||
| EFR32BG1V132F256GJ43-C0R | IC RF TXRX+MCU BLUETOOTH 43UFBGA | ||
| EFR32BG1V132F256GM32-B0 | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F256GM32-B0R | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F256GM48-B0 | IC RF TXRX+MCU BLUETOOTH 48VFQFN | ||
| EFR32BG1V132F256GM48-B0R | IC RF TXRX+MCU BLUETOOTH 48VFQFN | ||
| EFR32BG1V132F256IM32-C0 | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F256IM32-C0R | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F256GM32-C0 | IC RF TXRX+MCU BLUETOOTH 32VFQFN | ||
| EFR32BG1V132F256GM48-C0 | IC RF TXRX+MCU BLUETOOTH 48VFQFN | ||
| EFR32BG1V132F128GM48-C0 | RF System on a Chip - SoC EFR32 Value, 0 dBm 128 KB FM/16 KB RAM | ||
| EFR32BG1V132F128GM32-C0R | RF System on a Chip - SoC EFR32 Value, 0 dBm 128 KB FM/16 KB RAM | ||
| EFR32BG1V132F128GM32-C0 | RF System on a Chip - SoC EFR32 Value, 0 dBm 128 KB FM/16 KB RAM | ||
| EFR32BG1V132F128GM48-C0R | RF System on a Chip - SoC EFR32 Value, 0 dBm 128 KB FM/16 KB RAM | ||
| EFR32BG1V132F256GM48-C0R | RF System on a Chip - SoC EFR32 Value, 0 dBm 256 KB FM/16 KB RAM | ||
| EFR32BG1V132F256GM32-C0R | RF System on a Chip - SoC EFR32 Value, 0 dBm 256 KB FM/16 KB RAM | ||
| EFR32BG21A010F512IM32-B | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO | ||
| EFR32BG21A010F768IM32-B | RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO | ||
Silicon Labs / Bluegiga |
EFR32BG1V132F256IM32-C0 | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, QFN32, BLE | |
| EFR32BG1V132F256IM32-C0R | RF System on a Chip - SoC Blue Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, +10.5 dBm, QFN32, BLE | ||
| EFR32BG21A010F512IM32-B | IC MCU 2.4G 10DB BLUETOOTH 5.1 | ||
| EFR32BG21A010F768IM32-B | IC MCU 2.4G 10DB BLUETOOTH 5.1 |