Features
- Low Power Wireless System-on-Chip
- 32-bit ARM® Cortex®-M33 core with 76.8MHz maximum operating frequency
- Up to 512KB of flash and 32KB of RAM
- Energy-efficient radio core with low active and sleep currents
- Bluetooth 5.3 Direction Finding
- Integrated PA with up to 6dBm (2.4GHz) TX power
- Secure Boot with Root of Trust and Secure Loader (RTSL)
- 2.4GHz radio operation
- -106.7dBm sensitivity @ 125Kbps GFSK
- -98.9dBm sensitivity @ 1Mbit/s GFSK
- -96.2dBm sensitivity @ 2Mbit/s GFSK
- TX power up to 6 dBm
- 2.5mA radio receive current
- 3.4mA radio transmit current @ 0dBm output power
- 7.5mA radio transmit current @ 6dBm output power
- Low System Energy Consumption
- 3.6mA RX current (1Mbps GFSK)
- 4.1mA TX current @ 0dBm output power
- 8.2mA TX current @ 6dBm output power
- 27 μA/MHz in Active Mode (EM0) at 76.8 MHz
- 1.40μA EM2 Deep Sleep current (32KB RAM retention and RTC running from LFXO)
- 1.75μA EM2 Deep Sleep current (32KB RAM retention and RTC running from Precision LFRCO)
- 0.17μA EM4 current
- Supported Modulation Format
- 2 (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
- Supported Protocols
- Bluetooth Low Energy (Bluetooth 5.3)
- Direction finding using Angle-of-Arrival (AoA) and Angle-of-Departure (AoD)
- Proprietary
Applications
- Tags and Beacons of Assets
- Consumer Electronics Remote Controls
- Portable Medical
- Bluetooth Mesh Low Power Nodes
- Sports, Fitness, and Wellness devices
- Connected Home
- Building Automation and Security
- Automotive Applications
Specifications
| Product Model | FSC-BT3721V |
|---|---|
| Chipset | EFR32BG22 |
| Bluetooth Standard | BLE 5.3 |
| Frequency Band | 2.402 ~ 2.480 GHz |
| Transmit Output Power | +6 dBm (Max.) |
| Receive Sensitivity | -98 dBm @ 1Mbit/s GFSK |
| Interfaces | UART, SPI, PIO, ADC |
| Dimensions (mm) | 16.6 × 13.7 × 2.3 |
| Supply Voltage | 1.75V ~ 3.8V |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +125℃ |