Ezurio BISM1 AT Command Set Firmware 2.7.0 Programming Manual

Q: How do I reset the device to factory default mode?

Send the string "! ! " within the first 750 ms after power‑up; the module will stay at 9600,N,8,1 and load factory default register values.

This document introduces the AT command set of Ezurio's latest development firmware version 2.7.0. The document provides instructions for various AT commands, including entering local command mode, entering remote command mode, answering calls, and establishing outgoing connections.

Ezurio BISM1 AT Command Set Firmware 2.7.0 Programming Manual - cover page

Brand: Ezurio
Category: Other Electronics
Document type: Programming Manual
Language: English
Pages: 37
File format: PDF
File size: 169 KB
Published: 03 May, 2012
Updated: 28 September, 2023
MD5 checksum: 02A3CCC4CB1ABD28A2FFFA7F99CA9B1D
PDF: Ezurio BISM1 AT Command Set Firmware 2.7.0 Programming Manual PDF

About this manual

This document describes the AT command set used to control and configure Ezurio Bluetooth devices such as the BISM1 Bluetooth Serial Module, RS‑232 Universal Adapter and PCMCIA Card. It covers the protocol, command syntax, assumptions, and response formats for firmware version 2.7.0.

The manual lists each AT command, required parameters, default register settings, and special features like factory‑default mode, echo control, and baud‑rate configuration. Error responses and miscellaneous features are also documented.

What's inside

Introduction
Assumptions
Command Set Overview
AT Commands
Factory Default Mode
Miscellaneous Features
Error Responses

Specifications

Firmware version	2.7.0
Supported Bluetooth chipset	CSR BC2
Serial baud‑rate range	1200 to 921600
Default baud rate after reset	9600,N,8,1 (750 ms)
Supported form factors	Bluetooth Serial Module, RS‑232 Universal Adapter, PCMCIA Card

Frequently asked questions

How do I reset the device to factory default mode?

Send the string "!!" within the first 750 ms after power‑up; the module will stay at 9600,N,8,1 and load factory default register values.

What is the default baud‑rate configuration after reset?

The module starts at 9600,N,8,1 for 750 ms before switching to the baud rate set in the S registers.

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