FSC-BT681 AB1611 Mini-Size BLE 5.0 SIG Mesh Module
FSC-BT681 is a compact Bluetooth module that integrates baseband, radio, and flash memory, designed to meet Bluetooth Version 5.0 specifications. Its small form factor includes an external antenna interface and 4Mibit embedded flash, ideal for custom software development in MESH equipment applications.
Download
- Bluetooth V5.0
- Embedded 32-bit MCU
- Embedded 4Mbit Flash
- 64KB SRAM
- UART programming and data interface (baudrate can up to 921600 bps)
- UART/I²C/SPI/PWM control interfaces
- Transmit power: 9.5 dBm
- Receiving sensitivity: -94 dBm
- Postage stamp sized form factor
- Support External Antenna
- RoHS compliant
- Power Consumption In Sleep Mode (VDD_3V3 at 3.3V):
- Discoverable: 2.80 mA
- LE Connection: 931.55 uA
- Power Consumption In Working Mode (VDD_3V3 at 3.3V):
- Discoverable: 9.65 mA
- LE Connection: 8.36 mA
- LE Connection @ 115200 bps: 8.49 mA
| Categories | Features | Implementation |
|---|---|---|
| Wireless Specification | Bluetooth Version | BLE 5.0 |
| Chipset | AB1611 | |
| Frequency | 2.402 ~ 2.480 GHz | |
| Transmit Power | +9.5 dBm (Max.) | |
| Receive Sensitivity | -94 dBm @ 0.1% BER (Typ.) | |
| Host Interface and Peripherals | UART Interface | TX, RX, CTS, RTS |
| General Purpose I/O | ||
| Default 115200, N, 8, 1 | ||
| Baudrate support from 1200 to 921600 | ||
| 5, 6, 7, 8 data bit character | ||
| GPIO | 13 (maximum – configurable) lines | |
| O/P drive strength (4 mA) | ||
| Pull-up resistor (33 KΩ) control | ||
| Read pin-level | ||
| I²C Interface | 1 (configurable from GPIO total), up to 400 Kbps | |
| ADC Interface | Analog input voltage range: 0 ~ 3.3V | |
| Supports single 12-bit ADC conversion | ||
| 1 channel (configured from GPIO total) | ||
| PWM | 1 General-Purpose Timer Modules | |
| Supports PWM interrupts | ||
| Supports input capture function | ||
| Profiles | Classic Bluetooth | No Support |
| Bluetooth Low Energy | GATT Client & Peripheral - Any Custom Services | |
| Maximum Connections | Classic Bluetooth | No Support |
| Bluetooth Low Energy | 1 Client | |
| FW upgrade | Via UART | |
| Supply Voltage | Supply | 1.9V ~ 3.6V |
| Power Consumption | Max Peak Current (TX current @ +9.5 dBm): 20.29 mA | |
| Max Peak Current (RX current @ 1 Mbps): 4.76 mA | ||
| Sleep 4 uA | ||
| Deep Sleep 0.5 uA | ||
| Physical | Dimensions (mm) | 10 × 11.9 × 1.7; Pad Pitch 1.1 |
| Environmental | Operating Temperature | -40°C ~ +85°C |
| Storage Temperature | -65°C ~ +150°C | |
| Miscellaneous | Lead Free | Lead-free and RoHS compliant |
| Warranty | One Year | |
| Humidity | 10% ~ 90% non-condensing | |
| MSL Grade | MSL 3 | |
| ESD Grade | Human Body Model: Class-2 Machine Model: Class-B |
Firmware Options
| Firmware No. | Application | Profiles Support |
|---|---|---|
| FSC-BT681 | Data | GATT (Server & Client), OTA |
| FSC-BT681 | MESH Network | MESH |
| FSC-BT681 | Other | Customization |
Wireless IoT