BL654PA

  1. Datasheet
  2. Product Brief
  3. Documentation
  4. Application Note
  5. Software
  6. Technical Drawings
  7. Certification
  8. FAQs
453-00020R453-00021R453-00020C453-00021C455-00022455-00023453-00062-K1

Datasheet

Datasheet - BL654PAJan 2025
Datasheet - NFC Flex PCB AntennaSep 2024

Product Brief

Product Brief - BL654PAFeb 2025

Documentation

BL654/BL654PA smartBASIC Extensions Guide v29.5.7.2Feb 2025
PCN #12F-2024 - BL654PA Rebranding to EzurioFeb 2025
PCN 8H-2023 - BL653/BL654/BL654PA/BL5340/BL540PAAug 2024
PCN_7A-2020 BL654PA SeriesAug 2024
Quick Start Guide - BL65x AT InterfaceFeb 2025
Release Notes - BL654/BL654PA v29.5.7.2 r0Mar 2025
smartBASIC Applications Migration Guide - BL65xMar 2025
User Guide - BL654PA DVKFeb 2025
User Guide - BL65x AT Interface ApplicationMar 2025
User Guide - smartBASIC Core Functionality v4.0Mar 2025

Application Note

Application Note - AT Interface – Pairing (vSP & non-vSP Mode) - BL65x ModulesDec 2025
Application Note - Bootloader UART Protocol - BL6xxFeb 2025
Application Note - BT 5.x Feature Comparison for Ezurio Bluetooth ModulesFeb 2025
Application Note - DTM Configuration Using AT Commands - BL65x SeriesMar 2026
Application Note - FEM Control Using nRF Connect SDK to Meet Regulatory RequirementsJul 2025
Application Note - GATT Table with AT Interface ApplicationFeb 2025
Application Note - How to Set Up vSP Service - BLxxFeb 2025
Application Note - Low Power Modes - BL654PAFeb 2025
Application Note - Nordic SDK-Based Application Development - BL654PAFeb 2025
Application Note - Using Direct Test Mode with the BL654PAFeb 2025
Application Note - Using UART Efficiently to Extend Battery Life (BL65x)Feb 2025

Software

BL654/BL654PA Firmware for Upgrade v29.4.6.6 r1Jun 2020
BL654/BL654PA Firmware for Upgrade v29.5.7.2.r2Jan 2021
UwFlashX – Serial Firmware Update UtilityApr 2020
UwTerminalX – Serial Terminal UtilityApr 2020

Technical Drawings

3D Model - 453-00020 - BL654PA with Internal AntennaMar 2020
3D Model - 453-00021 - BL654PA with IPEX MHF4 ConnectorMar 2020
BL654PA PCB Footprint (DXF and Altium format)Apr 2025
BL654PA SCH Symbol (Altium format)Mar 2020

Certification

AS/NZS Certifications - BL654PADec 2020
FCC Certifications - BL654PADec 2020
ISED Certifications - BL654PADec 2020
ISED ICES-003 Issue 7 Declaration of ComplianceMay 2021
KC Certifications - BL654PADec 2020
Regulatory Information - BL654PAMar 2023
RoHS 3 - BluetoothMar 2025

FAQs

What is the correct syntax for using the AT+GCFA command to query for the handle of a characteristic or descriptor in the remote Server's GATT table?Sep 2025
What is the correct syntax for filtering with the AT+LSCN command?Sep 2025
Does Ezurio provide breakout boards for its Bluetooth modules?Jul 2024
When I try to XCompile + Load then load script $autorun$.AT.interface.BL654._.sb I get the following error: Compile Error: (0x0433) TOK_UNEXPECTED_TOKEN_IN_EXPRJul 2024
When working with AT Interface, or vSP UART Bridge example applications, how can I break out of a vSP UART bridge connection using the ^^^^ escape sequence in UwTerminalX with the 250ms delay specified, as it does not seem to be working?Jun 2024
In smartBASIC, how can I increase the max message size above 20 bytes on a BL65x module?Apr 2024
Do you support any echoing support in the AT Interface app / implementation such as ATE1 & ATE0 for example?Dec 2023
How can the smartBASIC License key be restored if I get "192A - NVO_NVWORM_EXISTS: The WORM segment already exists and cannot be re-created" error when applying the license using AT+LIC command?Nov 2023
When working with AT Interface firmware, what is the correct syntax to use the AT+LSCN command when not wanting to use all the optional parameters?Nov 2023
When attempting to enable the external crystal within the smartBASIC code using BleConfigHfClock(1), why does it not change to high speed when calling SYSINFO(2082)?Nov 2023
How do you exit Autorun Mode, to enable updating a smartBASIC application OTA or via the UART?Oct 2023
How do I launch menuconfig for Zephyr?Oct 2023
Does the BL5340, BL5340PA, BL65x and Lyra BLE modules include the DC-DC LC filters on the module?Jun 2023
Does the BL654PA or BL5340PA have EU Regulatory certifications (CE/EN)?Jun 2023
How is a static passkey configured for use in AT Interface Application/Firmware?Jun 2023
Is the command used to set a static passkey with AT Interface firmware, AT+PKEY, persistent through a reset or power-cycle?Jun 2023
Using STTY with the USB-SWDJun 2023
Do the NFC traces need to be controlled differential impedance between NFC1 and NFC2?Jun 2023
When working with AT Interface why am I not able to get the module down to 2uA low power mode documented in the Lower Power Mode Application Note?Jan 2023
Can I pair in vSP Mode with AT Interface ApplicationJan 2023
Do I have to use hardware RTS/CTS handshake with the Ezurio BLE modules?Dec 2022
What are the hardware design recommendations for the BL653/BL654 USB interface if not used?Dec 2022
Why does my BLE module have an extra 01 in front of its MAC address?Dec 2022
Does Ezurio support Nordic Enhanced Shock Burst (ESB)?Dec 2022
Can I stop the BL65x firmware upgrade batch file from closing?Dec 2022
Should I use nRFConnect SDK or nRF5 SDK with the Ezurio BL65x modules?Dec 2022
Do you support Bluetooth features like BLE Mesh, AoA (Angle of Arrival) and/or Angle of Departure (AoD) in your own AT Command Set Interface implementation?Dec 2022
Why is SWDIO/SWCLK shorted to GND on my board?Dec 2022
Is it possible to clear or reset a table in smartBASIC?Dec 2022
Can I read a file in SmartBASIC Interactive Mode with an AT Command?Dec 2022
Does the BL65x or BL5340 support Matter?Aug 2022
Why can’t I Re-open the UART when it closes when running AT Interface LPUART App?Aug 2022
How to avoid/disable module reset on UART break with SmartBASIC?Aug 2022
How can I read out the MAC address from a BLE module during test/production?May 2022
What is the battery recommendation if need to use battery to power up BL654PA?Mar 2022
TX power of 1M and 2M in BL654PA is able to achieve 18dBm, and why TX power of LE CODED limit to 14dBm?Mar 2022
Do I still have to list/qualify my product with the BT SIG even if I don't use the BT logo?Mar 2022
How can a enable/disable particular BLE channels used for advertising/scanning or when in a connection?Mar 2022
Does Ezurio have example code for a Windows Demo App which enables scanning and connecting to Bluetooth Low Energy peripheral IoT devices?Dec 2021
What factors influence the actual TX rate of the controller?Dec 2021
Where can I find the appropriate arguments/parameters to use with the BleAttrMetadata() function used in many examples in the BL65x User Guide, as I only see BleAttrMetadataEx() listed which appears to have different arguments/parameters?Dec 2021
Can Pullups or Pulldowns be Disabled on Default UART PinsDec 2021
How Can I Change the BL65x Tx Power SettingDec 2021
How many SPI Interfaces does the BL65x supportDec 2021
How many I2C ports does the BL65x supportDec 2021
Why is the data I am sending in an advertisement PDU seem to be received as converted ASCII data?Dec 2021
How many bytes can BL65x modules support for Extended Advertising using smartBASIC?Dec 2021
How can I update and send Extended or Normal Advertisement data using AT Interface application?Dec 2021
What influence does the client have when it comes to notifications?Dec 2021
Why are multiple EMPTY_PDU are being sent from the Master per connection interval?Dec 2021
Error received when flashing custom Nordic application to DVK-BL65x: SVCALL(SD_SOFTDEVICE_ENABLE, uint32_t, sd_softdevice_enable(nrf_clock_lf_cfg_t const * p_clock_lf_cfg, nrf_fault_handler_t fault_handler)); Programming custom Nordic App to DVK-BL65xDec 2021
Can the BL5340 or BL65x use a different stack to support a hosted application?Dec 2021
What is the maximum number of characteristics that can be supported using smartBASIC?Dec 2021
How to open multiple BLE connection simultaneously with the SmartBASIC AT interface?Dec 2021
Is achieving the theoretical throughput of 2 Mbps possible with BLE radio with 2M PHY?Nov 2021
Is it possible to have multiple connections as a peripheral device on the BL65x modules?Nov 2021
Is there a way to extend the shelf life of Ezurio modules?? If the shelf life cannot be extended in any way, what are the consequences of using modules after shelf life?Nov 2021
What does the Bluetooth message "advertised data length corrected" indicate?Nov 2021
How do I select the 32.768kHz Low Power Clock Source in the new nRF Connect SDKNov 2021
Can I use Windows to scan for my BLE Peripheral and Connect to it?Apr 2021
Getting ERROR: JLinkARM DLL not found. Please reinstall latest JLinkARM when trying to flash BL65x module via the JTAG interface. How can this be resolved?Feb 2021
What could be causing additional power draw when in standby doze state?Feb 2021
What are the production programming options for the BL65x modules when using smartBASIC?Feb 2021
How do I program BL65x modules in production or in the field (Tag-Connect)?Feb 2021
Is it possible to use Nordic's UART Serial Port Service when a BL65x module is configured for UART Bridge Mode rather than using Ezurio's Virtual Serial Port Service?Feb 2021
Issues with Flashing custom firmware to BL65x using Segger Embedded Studios IDEFeb 2021
How can I connect a Bluetooth Low Energy Device to a PC?Jan 2021
How do you change the BAUD rate in the AT Interface Application for BL65x smartBASIC modules?Jan 2021
Do BL65x modules support Boundary Scan function?Jan 2021
Do you have a smartBASIC example for Android or iOS devices such as smartphones or tablets?Jan 2021
Is there protection from Hacking when using smartBASIC modules?Jan 2021
How do I set parity on the BL65x?Jul 2020
Can I write/encode an NFC tag using the BL65x?Jul 2020
Can a BL65x firmware be updated OTA?Jul 2020
I've loaded a Nordic SDK application to the BL654PA and it isn't transmitting anything, why is that?Jul 2020
Do I have to use the Segger branded debugger to program over the 2-wire SWD interface (JTAG) of the Nordic-based modules?Jul 2020
How can BL65x module or dongle be used to receive data from a custom service running on another device?Jul 2020
Is it safe to run a Ezurio Bluetooth module through a PCBA wash cycle?Jul 2020
What is the module license key and what is it used for?Feb 2019
Can I XCompile a smartBASIC script without a module attached to UWTerminalX?Jul 2017
Which J-Link programmers work with the BL65x?Apr 2017
Which J-Links work with the Nordic-based Bluetooth modules? For example, BL65x, BL5340?Oct 2016
What is the easiest way to change the advertised Device Name in a smartBASIC Application?Oct 2016