BM70/71 Bluetooth Low Energy Module User's Guide Bm70 User

User Manual:

Open the PDF directly: View PDF .
Page Count: 238 [warning: Documents this large are best viewed by clicking the View PDF Link!]

Scroll down to view the document on your mobile browser.

Table of Contents
Preface
Introduction
Document Layout
Conventions Used in this Guide
- Documentation Conventions
Recommended Reading
BM70/71 Data Sheet (DS60001372)
Bluetooth Core Specification
The Microchip WebSite
Development Systems Customer Change Notification Service
Customer Support
Document Revision History
Revision A (October 2016)
Chapter 1. Overview
1.1 Operation Overview
- Figure 1-1: BM70/71 Module Operation Overview
- Figure 1-2: State Machine Diagram
- Figure 1-3: BM70/71 Module System operation
- Table 1-1: Functionality and Configuration options (Continued)
  - Figure 1-4: State Machine In Auto operation Mode
  - Figure 1-5: Transparent UART
- Table 1-2: Status Indication Pins
  - Figure 1-6: Status Indication
- Table 1-3: Configuration of Status Indication Pins
  - Figure 1-7: BM70/71 module Configuration Timeout
  - Figure 1-8: Configuration Timeout Disabled
  - Figure 1-9: Configuration Ended by Host
  - Figure 1-10: UART CTS Flow Control
  - Figure 1-11: UART RTS Flow Control
- Table 1-4: Pins for Flow Control Functionality
  - Figure 1-12: Pairing Key
- Table 1-5: Pins for Pairing Key Functionality
  - Figure 1-13: Link Drop
- Table 1-6: Pins For Link Drop Functionality
  - Figure 1-14: Low Battery Indication
- Table 1-7: Battery Level Functionality
- Table 1-8: Pins For LOW_BATTERY_IND Functionality
  - Figure 1-15: Link Quality Indication
- Table 1-9: Configuration Range
- Table 1-10: Pins for RSSI_IND Functionality
  - Figure 1-16: BM70/71 Active Indication
  - Figure 1-17: BM70/71 Active Indication
- Table 1-11: BM70/71 Configuration Range
- Table 1-12: Pins for RF_ACTIVE_IND Functionality
- Table 1-13: Configuration values for Discoverability
  - Figure 1-18: Auto Operation - Discoverability
  - Figure 1-19: Auto Operation - Connections
- Table 1-14: Configuration values for Connections
- Table 1-15: States and Applicable Modes of the BM70/71 Module
  - Figure 1-20: Manual Operation
- Table 1-16: Pins for General I/O Functionality
- Table 1-17: Analog Pin Functionality
- Table 1-18: Analog Channel Functionality
  - Figure 1-21: Manual Operation – PWM Output
- Table 1-19: PWM Channel Pin Functionality
- Table 1-20: Bm70/71 Command Set protocol Messages
  - Figure 1-22: Manual Operation - GATT Services
- Table 1-21: LED Indication Configuration (Continued)
- Table 1-22: LED Indication Functionality
- Table 1-23: Battery Level Functionality
- Table 1-24: Pins for LED Indication
- Table 1-25: Battery Level Functionality
  - Figure 1-23: Wake-up Indication
- Table 1-26: Wake-up Indication Functionality
- Table 1-27: Pin for Wake-up Indication
  - Figure 1-24: UART Transmit Indication
- Table 1-28: UART Transmit Functionality
- Table 1-29: Pins for UART Transmit
  - Figure 1-25: UART Indication
- Table 1-30: UART Receive Indication Functionality
- Table 1-31: Pins for UART Receive Indication
  - Figure 1-26: Manual Operation - Security
- Table 1-32: Reference for determining Pairing method
  - Figure 1-27: Flow of Control Between BM70/71 and Peer Device
  - Figure 1-28: BM70/71 as Initiator in Passkey Method
  - Figure 1-29: BM70/71 as Responder in Passkey Method
- Table 1-33: Configuration Parameters (Continued)
Chapter 2. Operating Modes, Configuration and Control
2.1 Hardware Interface
- Figure 2-1: BM70/71 Module Block diagram for External Interface
2.2 BM70/71 Mode Selection
- Table 2-1: P2_0 Pin Logic level Functionality
  - Figure 2-2: P2_0 Pin In Reset Event
  - Figure 2-3: P2_0 Pin in POR Event
2.3 Command Set Protocol
- Table 2-2: General Message format of the Command Set protocol
- Table 2-3: Example of the Checksum Value
- Table 2-4: Hardware Pin Functionality for UART Communication
  - Figure 2-4: Message Sequence Diagram
- Table 2-5: Command format, Host to BM70/71 module
  - Figure 2-5: Sequence Diagram of Read Local Information
- Table 2-6: Response format, BM70/71 module to Host
- Table 2-7: Parameter Values and Lengths
- Table 2-8: Command Format, Host to BM70/71 module
  - Figure 2-6: Sequence Diagram of Reset
- Table 2-9: Command Format, Host to BM70/71 module
  - Figure 2-7: Sequence Diagram of Read BM70/71 Status
- Table 2-10: Response format, BM70/71 module to Host
- Table 2-11: Command Format, Host to BM70/71 module
- Table 2-12: Parameter Values and Lengths
  - Figure 2-8: Sequence Diagram of Read BM70/71 ADC Value
- Table 2-13: Response format, BM70/71 module to Host
- Table 2-14: Parameter Values and Lengths
- Table 2-15: Command Format, Host to BM70/71 module
  - Figure 2-9: Sequence Diagram of Into Shutdown Mode
- Table 2-16: Response format, BM70/71 module to Host
- Table 2-17: Parameter Values and Lengths
- Table 2-18: Status Report Response format
- Table 2-19: Command Format, Host to BM70/71 module
  - Figure 2-10: Sequence Diagram of Read Device Name
- Table 2-20: Response format, BM70/71 module to Host
- Table 2-21: Parameter Values and Lengths
- Table 2-22: Command Format, Host to BM70/71 module
- Table 2-23: Parameters Values and Lengths
  - Figure 2-11: Sequence Diagram of Write Device Name
- Table 2-24: Command Format, Host to BM70/71 module
  - Figure 2-12: Sequence Diagram of Erase Paired_Bonded Device
- Table 2-25: Command Format, Host to BM70/71 module
  - Figure 2-13: Sequence Diagram of Read Pairing Mode
- Table 2-26: Response format, BM70/71 module to Host
- Table 2-27: Parameters Values and Lengths
- Table 2-28: Command Format, Host to BM70/71 module
- Table 2-29: Parameters Values and Lengths
  - Figure 2-14: Sequence Diagram of Write Pairing Mode
- Table 2-30: Command Format, Host to BM70/71 module
  - Figure 2-15: Sequence Diagram of Read Paired_Bonded Device
- Table 2-31: Response format, BM70/71 module to Host
- Table 2-32: Parameter Values and Lengths
- Table 2-33: Command Format, Host to BM70/71 module
- Table 2-34: Parameter Values and Lengths
  - Figure 2-16: Sequence Diagram of Delete Paired_Bonded Device
- Table 2-35: Command Format, Host to BM70/71 module
- Table 2-36: Parameter Values and Lengths
  - Figure 2-17: Sequence Diagram of Digital I/O Control
- Table 2-37: Response format, BM70/71 module to Host
- Table 2-38: Parameter Values and Lengths
- Table 2-39: Command Format, Host to BM70/71 module
- Table 2-40: Parameters Values and Lengths
  - Figure 2-18: Sequence Diagram of PWM Control
- Table 2-41: Command Format, Host to BM70/71 module
  - Figure 2-19: Sequence Diagram of RSSI Value
- Table 2-42: Response format, BM70/71 module to Host
- Table 2-43: Parameter Values and Lengths
- Table 2-44: Command Format, Host to BM70/71 module
- Table 2-45: Parameter Values and Lengths
  - Figure 2-20: Sequence Diagram of Write Advertising data
- Table 2-46: Command Format, Host to BM70/71 module
- Table 2-47: Parameter Values and Lengths
  - Figure 2-21: Sequence Diagram of Write Scan Response data
- Table 2-48: Command Format, Host to BM70/71 module
- Table 2-49: Parameter Values and Lengths
  - Figure 2-22: Sequence Diagram of Set Advertising Data
- Table 2-50: Command Format, Host to BM70/71 module
- Table 2-51: Parameter Values and Lengths
  - Figure 2-23: Sequence Diagram of Set Scan parameters
- Table 2-52: Command Format, Host to BM70/71 module
- Table 2-53: Parameter Values and Lengths
  - Figure 2-24: Sequence Diagram of Set Scan Enable
- Table 2-54: Command Format, Host to BM70/71 module
- Table 2-55: Parameter Values and Lengths
  - Figure 2-25: Sequence Diagram of LE Create Connection
- Table 2-56: Command Format, Host to BM70/71 module
  - Figure 2-26: Sequence Diagram of LE Cancel Connection
- Table 2-57: Command Format, Host to BM70/71 module
- Table 2-58: Parameter Values and Lengths
  - Figure 2-27: Sequence Diagram of Connection parameter Update Request
- Table 2-59: Command Format, Host to BM70/71 module
  - Figure 2-28: Sequence Diagram of Disconnect Event
- Table 2-60: Command Format, Host to BM70/71 module
- Table 2-61: Parameter Values and Lengths
  - Figure 2-29: Sequence Diagram of Set Advertising Packets - Idle Mode
  - Figure 2-30: Sequence Diagram of Set Advertising Packets - Standby Mode
- Table 2-62: Command Format, Host to BM70/71 module
- Table 2-63: Parameter Values and Lengths
  - Figure 2-31: Sequence Diagram of Read Remote Device Name
- Table 2-64: Response format, BM70/71 module to Host
- Table 2-65: Parameter Values and Lengths
- Table 2-66: Command Format, Host to BM70/71 module
- Table 2-67: Parameter Values and Lengths
  - Figure 2-32: Sequence Diagram of GATT Client - Discover All Primary Services
- Table 2-68: Command Format, Host to BM70/71 module
- Table 2-69: Parameter Values and Lengths
  - Figure 2-33: Sequence Diagram of GATT Client - Discover Specific Primary Services
- Table 2-70: Command Format, Host to BM70/71 module
- Table 2-71: Parameter Values and Lengths
  - Figure 2-34: Sequence Diagram of Read Characteristic Value
- Table 2-72: Response format, BM70/71 module to Host
- Table 2-73: Parameter Values and Lengths
- Table 2-74: Command Format, Host to BM70/71 module
- Table 2-75: Parameter Values and Lengths
  - Figure 2-35: Sequence Diagram of Read Using Characteristic UUID
- Table 2-76: Response format, BM70/71 module to Host
- Table 2-77: Parameter Values and Length
- Table 2-78: Command Format, Host to BM70/71 module
- Table 2-79: Parameter Values and Lengths
  - Figure 2-36: Sequence Diagram of Write Characteristic Value
- Table 2-80: Command Format, Host to BM70/71 module
- Table 2-81: Parameter Values and Lengths
  - Figure 2-37: Sequence Diagram of Enable Transparent UART Service
- Table 2-82: Command Format, Host to BM70/71 module
- Table 2-83: Parameter Values and Lengths
  - Figure 2-38: Sequence Diagram of Send Characteristic Value
- Table 2-84: Command Format, Host to BM70/71 module
- Table 2-85: Parameter Values and Lengths
  - Figure 2-39: Sequence Diagram of Update Characteristic Value
- Table 2-86: Command Format, Host to BM70/71 module
- Table 2-87: Parameter Values and Lengths
  - Figure 2-40: Sequence Diagram of Read Local Characteristic Value
- Table 2-88: Response format, BM70/71 module to Host
- Table 2-89: Parameter Values and Lengths
- Table 2-90: Command Format, Host to BM70/71 module
  - Figure 2-41: Sequence Diagram of Read All Local Primary services
- Table 2-91: Command Format, Host to BM70/71 module
- Table 2-92: Parameter Values and Lengths
  - Figure 2-42: Sequence Diagram of Read Specific Local Primary Service
- Table 2-93: Command Format, Host to BM70/71 module
- Table 2-94: Parameter Values and Lengths
  - Figure 2-43: Sequence Diagram of Send write Response
- Table 2-95: Command Format, Host to BM70/71 module
- Table 2-96: Parameter Values and Lengths
  - Figure 2-44: Sequence Diagram of Send write Response
- Table 2-97: Command format, Host to BM70/71 module
- Table 2-98: Parameter Values and Lengths
  - Figure 2-45: Sequence Diagram of Pairing - Passkey entry response
- Table 2-99: Command format, Host to BM70/71 module
- Table 2-100: Parameter Values and Lengths
  - Figure 2-46: Sequence Diagram of Pairing - Passkey response
- Table 2-101: Command format, Host to BM70/71 module
- Table 2-102: Parameter Values and Lengths
  - Figure 2-47: Sequence Diagram of Pairing request
- Table 2-103: Command format, Host to BM70/71 module
- Table 2-104: Parameter Values and Lengths
  - Figure 2-48: Sequence Diagram of leave configure mode
- Table 2-105: Event format, BM70/71 module to Host
  - Figure 2-49: Sequence Diagram of Pairing - Passkey Entry request
- Table 2-106: Event format, BM70/71 module to Host
- Table 2-107: Parameter Values and Lengths
  - Figure 2-50: Sequence Diagram of Pairing - Pair complete event
- Table 2-108: Event format, BM70/71 module to Host
- Table 2-109: Parameter Values and Lengths
  - Figure 2-51: Sequence Diagram of Pairing - Passkey confirm request event
- Table 2-110: Event format, BM70/71 module to Host
- Table 2-111: Parameter Values and Lengths
  - Figure 2-52: Sequence Diagram of Advertising report event
- Table 2-112: Event format, BM70/71 module to Host
- Table 2-113: Parameter Values and Lengths
  - Figure 2-53: Sequence Diagram of Connection Complete Event-Example 1
  - Figure 2-54: Sequence Diagram of Connection Complete Event-Example 2
- Table 2-114: Event format, BM70/71 module to Host
- Table 2-115: Parameter Values and Lengths
  - Figure 2-55: Sequence Diagram of Disconnect Complete event-Example 1
  - Figure 2-56: Sequence Diagram of Disconnect complete event-Example 2
- Table 2-116: Event format, BM70/71 module to Host
- Table 2-117: Parameter Values and Lengths
  - Figure 2-57: Sequence Diagram of Connection Parameter Update
- Table 2-118: Event Format, BM70/71 module to Host
- Table 2-119: Parameter Values and Lengths (Continued)
  - Figure 2-58: Sequence Diagram of Command Complete Event
- Table 2-120: Event format, BM70/71 module to Host
- Table 2-121: Parameter Values and Lengths
  - Figure 2-59: Sequence Diagram of Status Report Event-Example 1
  - Figure 2-60: Sequence Diagram of Status Report Event-Example 2
- Table 2-122: Event format, BM70/71 module to Host
- Table 2-123: Parameter Values and Lengths
  - Figure 2-61: Sequence Diagram of Configure Mode Status Event
- Table 2-124: Event format, BM70/71 module to Host
- Table 2-125: Parameter Values and Lengths
  - Figure 2-62: Sequence Diagram of Discover All Primary Services
  - Figure 2-63: Characteristic Declaration Attribute Structure
- Table 2-126: Event format, BM70/71 module to Host
- Table 2-127: Parameter Values and Lengths
  - Figure 2-64: Sequence Diagram of Discover Specific Primary Services
- Table 2-128: Event format, BM70/71 module to Host
- Table 2-129: Parameter Values and Lengths
  - Figure 2-65: Sequence Diagram of Characteristic Descriptors
- Table 2-130: Event format, BM70/71 module to Host
- Table 2-131: Parameter Values and Lengths
  - Figure 2-66: Sequence Diagram of Client Write Characteristic Event
- Table 2-132: Event format, BM70/71 module to Host
- Table 2-133: Parameter Values and Lengths
  - Figure 2-67: Sequence Diagram of Received Transparent Data Event
2.4 Configuration Protocol
2.5 Programming Protocol
- Figure 2-68: Example of Name of the Firmware File Download From the Web Page
2.6 Direct Test Protocol
- Figure 2-69: BM70/71 module in Direct Test Mode
Chapter 3. BM70/71 PICtail™/PICtail Plus EVB
3.1 Kit Contents
3.2 BM70/71 EVB Features Overview
- Table 3-1: BM70 EVB Components (Top View)
  - Figure 3-1: BM70 EVB (Top View)
- Table 3-2: BM70 EVB Components (Bottom view)
  - Figure 3-2: BM70 EVB (Bottom View)
- Table 3-3: BM71 EVB Components (Top View) (Continued)
  - Figure 3-3: BM71 EVB (Top View)
- Table 3-4: BM71 EVB Components (Bottom view)
  - Figure 3-4: BM71 EVB (Bottom View)
3.3 Hardware Features
- Figure 3-5: BM70 EVB block diagram
- Figure 3-6: BM71 EVB block diagram
- Figure 3-7: UART connection to BM70 EVB DUT
- Table 3-5: usb to uart interface u10 (Header J3)
- Table 3-6: VBAT and Ground connector (J10 and J2)
- Table 3-7: GPIO Functionality of USB to UART (Header JP10)
- Table 3-8: I2C interface (Header jp12)
- Table 3-9: connector jp13
- Table 3-10: Power Source option connector
- Table 3-11: Serial Flash Interface J4 (BM70 only)
  - Figure 3-8: UART connection to Host Microcontroller DUT
3.4 Getting Started - BM70/71 EVB Example Configuration
- Figure 3-9: Configuration Tool Window
- Figure 3-10: Loading Option Window
- Figure 3-11: Open Dialog Box
- Figure 3-12: Configuration Tool Window
- Figure 3-13: Main Feature Window
- Figure 3-14: Configuring PARAMETERS - System Setup
- Figure 3-15: Advertising Data Setting
- Figure 3-16: Configuration Tool Main Window
- Figure 3-17: SW7 in Test Mode
- Figure 3-18: Jumper and BM70 EVB connection Details
- Figure 3-19: Configuration Setup
- Figure 3-20: Read/Write Flash
- Figure 3-21: Message Box
- Figure 3-22: SW7 in Application Mode
- Figure 3-23: Power-On BM70 EVB
- Figure 3-24: Enabling Bluetooth and mBIoT Application
- Figure 3-25: Select BM70/BM71 BLE UART
- Figure 3-26: Discovered Devices View
- Figure 3-27: Connected Device View
- Figure 3-28: Device Information
- Figure 3-29: Device Information
- Figure 3-30: BLE Link Connection
3.5 Firmware Programming Procedure
- Figure 3-31: SW7 in Test Mode
- Figure 3-32: Firmware Programming Setup
- Figure 3-33: Firmware Update Tool Window - Port Connect
- Figure 3-34: Firmware Update Tool Window
- Figure 3-35: Selecting the Flash Code Files
- Figure 3-36: Firmware Update
- Figure 3-37: Firmware Update Finish
- Figure 3-38: Entering Parameters
- Figure 3-39: Verify Firmware Version
Appendix A. BM70 EVB Schematics
A.1 BM70 EVB Reference Schematics
- Figure A-1: BM70 EVB Schematics
- Figure A-2: BM70 EVB schematics
Appendix B. BM71 EVB Schematics
B.1 BM71 EVB Reference Schematics
- Figure B-1: BM71 EVB Schematics
- Figure B-2: BM71 EVB schematics
Appendix C. Commands Summary Quick Reference
C.1 Quick Reference of Host to BM70/71 Module Commands
- TABLE C-1: Quick Reference of Host to BM70/71 Module Commands (Continued)
C.2 Quick Reference of BM70/71 Module to Host Event Responses
- TABLE C-2: Quick Reference of BM70/71 Module to Host Event Responses
Worldwide Sales and Service

Navigation menu