Reference Manual

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Table Of Contents

Introduction
- Operational description
  - Key features
  - Connectivity
- Block diagram
- Ordering information
Electrical specifications
- Recommended operating conditions
- Absolute maximum ratings
- Power consumption
  - Static
  - Dynamic
- Radio characteristics
- Pin characteristics
Pinout
Quick start
- Minimal pin connections
- Antenna connection
  - On-board PCB antenna
  - External antenna
- Power up
- Quickstart example
Functional description
- State indication using the LED pins
- Sleep mode
- Identification of a Proteus-III device on the radio
- Connection based data transmission, with or without security
  - Further information for a secure connection setup
- Unidirectional connectionless data transmission using Beacons
- Energy-efficient distance estimation solutions
- Configure the module for low power consumption
- Start the direct test mode (DTM)
- Using the 2 MBit and LE Coded phy
- Connection setup using LE Coded phy
Host connection
- Serial interface: UART
  - Reset behaviour
The command interface
- Scan for other modules in range
- Setup connections
- Transmit and receive data
- Configuring the module and modifying the device settings
  - CMD_SET_REQ
    - Example 1
    - Example 2
  - CMD_GET_REQ
    - Example 1
- Manage the device state
- Run the Bluetooth test modes
  - CMD_DTMSTART_REQ
  - CMD_DTM_REQ
- Switching GPIOs by remote control
- Other messages
  - CMD_ERROR_IND
- Message overview
UserSettings - Module configuration values
- FS_DeviceInfo: Read the chip type and OS version
  - Example 1
- FS_FWVersion: Read the firmware version
  - Example 1
- FS_MAC: Read the MAC address
  - Example 1
- FS_BTMAC: Read the BLE conform MAC address
  - Example 1
- FS_SerialNumber: Read the serial number of the module
  - Example 1
- RF_DeviceName: Modify the device name
  - Example 1
  - Example 2
- RF_StaticPasskey: Modify the static passkey
  - Example 1
  - Example 2
- RF_SecFlags: Modify the security settings
  - Example 1
  - Example 2
- RF_SecFlagsPerOnly: Modify the security settings (Peripheral only mode)
  - Example 1
  - Example 2
- RF_ScanFlags: Modify the scan behavior
  - Example 1
  - Example 2
- RF_BeaconFlags: Interprete the advertising data
  - Example 1
  - Example 2
- RF_AdvertisingTimeout: Modify the advertising timeout
  - Example 1
  - Example 2
- RF_AdvertisingFlags: Configure the advertising packet
  - Example 1
  - Example 2
- RF_ScanFactor: Modify the scan factor
  - Example 1
  - Example 2
- RF_ScanTiming: Modify the scan timing
  - Example 1
  - Example 2
- RF_ConnectionTiming: Modify the connection timing
  - Example 1
  - Example 2
- RF_TXPower: Modify the output power
  - Example 1
  - Example 2
- RF_SPPBaseUUID: Configure the SPP base UUID
  - Example 1
  - Example 2
- RF_Appearance: Configure the appearance of the device
  - Example 1
  - Example 2
- UART_ConfigIndex: Modify the UART speed
  - Example 1
  - Example 2
- CFG_Flags: Configure the module
  - Example 1
  - Example 2
- DIS_ManufacturerName: Configure the manufacturer name
  - Example 1
  - Example 2
- DIS_ModelNumber: Configure the model number
  - Example 1
  - Example 2
- DIS_SerialNumber: Configure the serial number
  - Example 1
  - Example 2
- DIS_HWVersion: Configure the HW version
  - Example 1
  - Example 2
- DIS_SWVersion: Configure the SW version
  - Example 1
  - Example 2
- DIS_Flags: Configure the device information service
  - Example 1
  - Example 2
Timing parameters
- Reset and sleep
- BLE timing parameters
- Connection establishment
- Connection based data transmission
Peripheral only mode
- Reasons to use the peripheral only mode
- Restrictions
- How to use the peripheral only mode
- More information
  - Radio
  - UART
Remote GPIO control
- Supported GPIO_IDs for remote and local control
Customizing the Proteus-III
- DIS - Device information service
- UUID
- Appearance
Custom firmware
- Custom configuration of standard firmware
- Customer specific firmware
- Customer firmware
- Contact for firmware requests
Firmware update
- Firmware update using the SWD interface
- Firmware update using the Proteus-III OTA bootloader
  - Firmware update steps using the Nordic nRF Toolbox app
Firmware history
Design in guide
- Advice for schematic and layout
- Dimensioning of the micro strip antenna line
- Antenna solutions
Reference design
- EV-Board
- Trace design
Manufacturing information
- Moisture sensitivity level
- Soldering
- ESD handling
- Safety recommendations
Physical dimensions
- Dimensions
- Weight
- Module drawing
- Footprint
- Antenna free area
Marking
- Lot number
- General labeling information
Bluetooth SIG listing/qualification
- Qualification steps when referencing the Proteus-III
Regulatory compliance information
- Important notice EU
- Important notice FCC
- Conformity assessment of the final product
- Exemption clause
- FCC Compliance Statement
- IC Compliance Statement
- FCC and IC requirements to OEM integrators
  - Pre-certified antennas
- ARIB Declaration of conformity
  - Label
  - Certified antennas
Important notes
- General customer responsibility
- Customer responsibility related to specific, in particular safety-relevant applications
- Best care and attention
- Customer support for product specifications
- Product improvements
- Product life cycle
- Property rights
- General terms and conditions
Legal notice
- Exclusion of liability
- Suitability in customer applications
- Trademarks
- Usage restriction
License terms
- Limited license
- Usage and obligations
- Ownership
- Firmware update(s)
- Disclaimer of warranty
- Limitation of liability
- Applicable law and jurisdiction
- Severability clause
- Miscellaneous

Abbreviations and abstract

Abbreviation Name Description

BTMAC

Bluetooth

conform MAC address of the module used

on the RF-interface.

CS Checksum Byte wise XOR combination of the preceding ﬁelds.

BLE

Bluetooth

Low

Energy

According to Bluetooth

speciﬁcation.

BT Bluetooth

According to Bluetooth

speciﬁcation.

DSSS

Direct sequence

spread spectrum

Technique to spread a message on the radio

DTM Direct test mode Mode to test Bluetooth

speciﬁc RF settings.

FEC

Forward error

correction

Technique to correct received erroneous radio

messages

GAP

Generic Access

Proﬁle

The GAP provides a basic level of functionality that all

Bluetooth

devices must implement.

I/O Input/output Pinout description.

LESC

Low energy

secure connection

Elliptic curve encryption method for BLE encryption

and authentication

LPM Low power mode Mode for efﬁcient power consumption.

LRM Long range mode Radio mode with higher range and lower throughput.

MAC MAC address of the module.

MTU

Maximum

transmission unit

Maximum packet size of the Bluetooth

connection.

Payload The intended message in a frame / package.

RF Radio frequency Describes wireless transmission.

RSSI

Receive Signal

Strength Indicator

The RSSI indicates the strength of the RF signal. Its

value is always printed in two’s complement notation.

Soft device Operating system used by the nRF52 chip.

User settings

Settings to conﬁgure the module. Any relation to a

speciﬁc entry in the user settings is marked in a

special font and can be found in chapter

UART

Universal

Asynchronous

Receiver

Transmitter

Allows the serial communication with the module.

[HEX] 0xhh Hexadecimal

All numbers beginning with 0x are hexadecimal

numbers. All other numbers are decimal, unless

stated otherwise.