型号:  EFR32MG21B020F1024IM32-B

功能描述:  MIGHTY GECKO, QFN32, 2.4G, 20DB,

制造商:  Silicon Labs

Series:  -

Package:  Tray

Type:  TxRx + MCU

RF Family/Standard:  802.15.4, Bluetooth

Protocol:  Bluetooth v5.1, Thread, Zigbee®

Modulation:  DSSS, GFSK, O-QPSK

Frequency:  2.4GHz ~ 2.4835GHz

Data Rate (Max):  2Mbps

Power - Output:  20dBm

Sensitivity:  -104.9dBm

Memory Size:  1MB Flash, 96kB 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)