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General| Brand | Laird |
|---|---|
| Model | BL654 |
| Category | Computer Hardware |
| Language | English |
Highlights the main features and capabilities of the BL654 development board hardware.
Details the default switch and jumper settings for correct out-of-the-box configuration.
Explains the power supply options and block diagram for powering the development board.
Describes the reset button functionality and its connection via an analog switch.
Details the Serial Wire Debug interface for firmware upgrades and debugging.
Explains the UART interface access via USB or breakout header.
Shows the mapping of UART connections between the BL654 module and FTDI IC.
Explains the nAutoRUN pin's role in selecting operating modes (interactive vs. self-contained).
Covers VSP modes and enabling Over-the-Air smartBASIC app downloads.
Details the SIO pin assignments and their default/alternate functions for breakout connectors.
Covers on-board sensors like temperature, RTC, EEPROM, buttons, LEDs, NFC, and QSPI flash.
Explains how to measure module current consumption using jumpers and meters.
Step-by-step guide for inserting a coin cell into the holder.
Instructions on how to safely remove the coin cell from the holder.
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