Features
- Low Power Wireless System
- High Performance 32-bit 78 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- 2.4 GHz radio operation
- Matrix Vector Processor for AI/ML acceleration
- Radio Performance
- -105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
- -105.7 dBm sensitivity @ 125 kbps GFSK
- -97.6 dBm sensitivity @ 1 Mbps GFSK
- -94.8 dBm sensitivity @ 2 Mbps GFSK
- TX power up to 19.5 dBm
- Low System Energy Consumption
- 4.4 mA RX current (1 Mbps GFSK)
- 5.1 mA RX current (250 kbps O-QPSK DSSS)
- 5 mA TX current @ 0 dBm output power
- 19.1 mA TX current @ 10 dBm output power
- 156.8 mA TX current @ 19.5 dBm output power
- 33.4 μA/MHz in Active Mode (EM0) at 39.0 MHz
- 1.3 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
- Wide selection of module peripherals
- Analog to Digital Converter (IADC)
- 12-bit @ 1 Msps or 16-bit @ 76.9 ksps
- 2 × Analog Comparator (ACMP)
- 2 × Digital to Analog Converter (VDAC)
- Up to 32 General Purpose I/O pins with output state retention and asynchronous interrupts
- 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4)
- 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1)
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I²S
- 2 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
- 2 × I²C interface with SMBus support
- Low-Frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
- Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
- Die temperature sensor with +/-1.5 °C accuracy after single-point calibration
- Protocol Support
- Matter
- OpenThread
- Zigbee
- Bluetooth Low Energy (BLE 5.3)
- Bluetooth Mesh
- Proprietary 2.4 GHz
- Multiprotocol
Applications
- Smart Home
- Gateways and hubs
- Sensors
- Switches
- Door locks
- Smart plugs
- Lighting
- LED bulbs
- Luminaires
- Building Automation
- Gateways
- Sensors
- Switches
- Location services
- AI/ML
- Predictive maintenance
- Glass break detection
- Wake-word detection
Specifications
| BLE Module | FSC-BT660 |
|---|---|
| Bluetooth Standard | BLE 5.3 |
| Frequency Band | 2.4G ISM band (2.402 ~ 2.480 GHz) |
| Transmit Output Power | +19.5 dBm (Max.) |
| Receive Sensitivity | -97.6 dBm (Typ.) @ 1 Mbps GFSK |
| Protocols | Matter, OpenThread, Zigbee, BLE, Bluetooth Mesh |
| Interfaces | UART, I²C, SPI |
| Size (mm) | 12 × 15 × 1.7 |
| Power Supply | 1.71V ~ 3.8V |
| Operating Temperature | -40℃ to +85℃ |
| Storage Temperature | -40℃ to +125℃ |
