型号:  EFR32BG21B020F512IM32-BR

功能描述:  BLUE GECKO, QFN32, 2.4G, 20DB, B

制造商:  Silicon Labs

Series:  Blue Gecko

Package:  Tape & Reel (TR)

Type:  TxRx + MCU

RF Family/Standard:  Bluetooth

Protocol:  Bluetooth v5.1

Modulation:  GFSK

Frequency:  2.4GHz ~ 2.4835GHz

Data Rate (Max):  2Mbps

Power - Output:  20dBm

Sensitivity:  -104.9dBm

Memory Size:  512kB Flash, 64kB RAM

Serial Interfaces:  I²C, I²S, SPI, IrDA, UART, USART

GPIO:  20

Voltage - Supply:  1.71V ~ 3.8V

Current - Receiving:  8.8mA ~ 9.8mA

Current - Transmitting:  9.3mA ~ 185mA

Operating Temperature:  -40°C ~ 125°C (TA)

Mounting Type:  Surface Mount

Package / Case:  32-VFQFN Exposed Pad

Supplier Device Package:  32-QFN (4x4)