Specifications
Table Of Contents
- 1 Overview and Key Features
- 2 Specification
- 3 Hardware Specifications
- 4 Power Consumption
- 5 Functional Description
- 5.1 Power Management
- 5.2 BL654 Power Supply Options
- 5.3 Clocks and Timers
- 5.4 Radio Frequency (RF)
- 5.5 NFC
- 5.6 UART Interface
- 5.7 USB interface
- 5.8 SPI Bus
- 5.9 I2C Interface
- 5.10 General Purpose I/O, ADC, PWM and FREQ
- 5.11 nRESET pin
- 5.12 Two-Wire Interface JTAG
- 5.13 BL654 Wakeup
- 5.14 Low Power Modes
- 5.15 Temperature Sensor
- 5.16 Security/Privacy
- 5.17 Optional External 32.768 kHz crystal
- 5.18 451-00001 On-board PCB Antenna Characteristics
- 5.19 451-00003 USB BLE 5.1 Dongle Mechanical Details
- 6 Hardware Integration Suggestions
- 7 Mechanical Details
- 8 Application Note for Surface Mount Modules
- 9 Regulatory
- 10 Ordering Information
- 11 Bluetooth SIG Qualification
- 12 Additional Assistance
https://www.lairdconnect.com/wireless-
modules/bluetooth-modules/bluetooth-5-
modules/bl654-series-bluetooth-module-nfc
5
© Copyright 2020 Laird Connectivity, Inc..
All Rights Reserved
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
Categories/Feature
Implementation
Wireless Specification
Bluetooth®
▪ BT 5.1 – Single mode
▪ 4x Range (CODED PHY support) – BT 5.1
▪ 2x Speed (2M PHY support) – BT 5.1
▪ LE Advertising Extensions – BT 5.1
▪ Concurrent master, slave
▪ BLE Mesh capabilities
▪ Diffie-Hellman based pairing (LE Secure Connections) – BT 4.2
▪ Data Packet Length Extension – BT 4.2
▪ Link Layer Privacy (LE Privacy 1.2) – BT 4.2
▪ LE Dual Mode Topology – BT 4.1
▪ LE Ping – BT 4.1
Frequency
2.402 - 2.480 GHz
Raw Data Rates
1 Mbps BLE (over-the-air)
2 Mbps BLE (over-the-air)
125 kbps BLE (over-the-air)
500 kbps BLE (over-the-air)
Maximum Transmit Power Setting
(See Note 1 in the Module Specification
Notes)
+8 dBm
Conducted 451-00001 (Integrated antenna)
+8 dBm
Conducted 451-00002 (External antenna)
Minimum Transmit Power Setting
-40 dBm, -20 dBm (in 4 dB steps)
-16 dBm, -12 dBm, - 8 dBm, - 4 dBm, 0 dBm, 2 dBm, 4 dBm, 5 dBm, 6 dBm, 7 dBm,
Receive Sensitivity (≤37byte packet)
BLE 1 Mbps (BER=1E-3)
-95 dBm typical
BLE 2 Mbps
-92 dBm typical
BLE 125 kbps
-103 dBm typical
BLE 500 kbps
-99 dBm typical
Link Budget (conducted)
103 dB
@ BLE 1 Mbps
111 dB
@ BLE 125 kbps
NFC
NFC-A Listen mode compliant
Based on NFC forum specification
▪ 13.56 MHz
▪ Date rate 106 kbps
▪ NFC Type2 and Type 4 emulation
Modes of Operation:
▪ Disable
▪ Sense
▪ Activated
Use Cases:
▪ Touch-to-Pair with NFC
▪ NFC enabled Out-of-Band Pairing
System Wake-On-Field function
Proximity Detection