BM70/71 Bluetooth®Low Energy Module User’s Guide

PublishTime：2021-09-16

●Microchip’s BM70 and BM71 modules are fully certified Bluetooth Low Energy mod-ules. The BM70 and BM71 modules use Microchip’s IS1870 and IS1871 chips, respec-tively. These chips or Integrated Circuits (IC) include the Bluetooth Low Energy RF transceiver, and a certified Bluetooth Low Energy software stack. The BM70/71 module is designed to work with a host microcontroller, generating flexible Bluetooth Low Energy-based functionality to the end target application. The BM70/71 module's oper-ation or behavior is controlled through a set of communication protocols over a UART interface. The target application can gain the following Bluetooth Low Energy-related functionality to control the BM70/71 module by using the commands in these commu-nication protocols:
■Bluetooth core specification featuresLE Secure Connection (LESC) pairing and LE Data Length Extension:
▲Supports LESC pairing methods such as “Just Works”, “Passkey Entry”, and “Numeric Comparison”. The I/O capabilities of the module are configurable to fit with the end target application requirements. The I/O capabilities determine the actual method used for LESC pairing
▲Supports LE Data Length extension for up to 104 bytes
■Bluetooth Low Energy Capability – Generic Access Profile (GAP) Roles:
▲Broadcaster
▲Observer-Peripheral
▲Central
■Bluetooth Low Energy Capability – GAP Modes:
▲Broadcast
▲Discoverable
▲Non-connectable, Directed-connectable, Undirected-connectable
▲Bondable
■Bluetooth Low Energy Capability – GAP Procedures:
▲Observation
▲General-connection establishment
▲Connection parameter update
▲Terminate connection
▲Bonding
■Bluetooth Low Energy Capability – Generic Attribute (GATT) Profile, both GATT Client/Server roles are supported:
▲Server configuration
▲Service discovery
▲Characteristic discovery
▲Characteristic descriptor discovery
▲Read/Write a characteristic value
▲Notification/Indication of a characteristic value
▲Reading/Writing a characteristic descriptor

Brand of Product：	Microchip
Part#：	BM70 、 BM71 More Part#
Product Category：	Bluetooth Low Energy 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：	2021/05/21
Version Number：
Data Encoding：	DS50002542B
Data Size：	22.7 MB

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