QSG178: BT122 Quick-Start Guide

PublishTime：2023-12-18

●BT122 is a dual-mode Bluetooth BR/EDR - BLE module dedicated for applications that require both Bluetooth Low Energy and Classic connectivity. It can connect to legacy devices that only support Bluetooth SPP or Apple iAP2 profiles as well as to devices that support Bluetooth Low Energy. BT122 integrates a high-performance Bluetooth radio, a low-power ARM Cortex microcontroller, and a Silicon Laboratories BGScript stack software. BT122 can be used as a modem together with an external host MCU, but applications can also be embedded into the built-in ARM Cortex MCU with the Silicon Labs BGScript scripting language.
●The document contains a few migration guides both for BT121 and iWRAP devices to their replacement – BT122. In the first chapter, the BT122 architecture is described and the BGAPI interface and BGScript scripting language are briefly covered. The second chapter describes the differences between BT121 and BT122 devices and describes the method of migration between them. The third chapter describes differences between BT121 and iWRAP devices and the method of migration between these two modules. The fourth chapter describes a tool that simplifies the migration between iWRAP and BT122 devices (BIMBER migration tool). The fifth chapter compares different firmware update methods between all prior covered modules.
●KEY POINTS
■BT122 Architecture
■Differences between BT121 and BT122
■Differences between iWRAP and BT122
■iWRAP to BT122 migration tool
■BT122 firmware update guide

Brand of Product：	Silicon Labs
Part#：	BT122 More Part#
Product Category：	dual-mode Bluetooth BR/EDR - BLE module More
Application：	More
Data Type：	User's Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2023/11/15
Version Number：	Version 1.2
Data Encoding：	QSG178
Data Size：	1.8 MB

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