We PROTEUS-III Manuel utilisateur

USER MANUAL

PROTEUS-III

2611011024000

VERSION 1.8

JULY 1, 2022

***************

MUST READ

Check for ﬁrmware updates

Before using the product make sure you use the most recent ﬁrmware version, data sheet

and user manual. This is especially important for Wireless Connectivity products that were

not purchased directly from Würth Elektronik eiSos. A ﬁrmware update on these respective

products may be required.

We strongly recommend to include in the customer system design, the possibility for a ﬁrmware

update of the product.

WIRELESS CONNECTIVITY & SENSORS

User manual Proteus-III

Revision history

Manual

version

version Notes Date

1.0 1.1.0 1.2 • Initial release February

2020

1.1 1.1.0 1.2

• Limitation of the

RF_DeviceName

to a

maximum of 31 bytes

• Added Annex

Additional CRC8

Information

and

Example codes for

host integration

June 2020

1.2 1.1.0 1.2 • corrected capacitor number. C28

changed to C26 in section

Trace

design

July 2020

1.3 1.1.0 1.2

• Updated section

Trace design

• Included ﬁgure

On-board PCB antenna

and

External antenna connection

August 2020

1.4 1.1.0 1.2

• Updated Declaration of EU conformity

to latest Version of EN 300 328 after

successfully passing corresponding

delta test in chapter

Regulatory

compliance information

• Added package name in

chapter

Footprint WE-FP-4+

October

2020

1.5 1.1.0 1.2 • Updated Declaration of EU conformity

in chapter

Regulatory compliance

information

December

2020

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User manual Proteus-III

1.6 1.1.0 1.2 • Schematic is updated in

chapter

EV-Board

February

2021

1.7 1.3.0 1.2 • New features of ﬁrmware version 1.3.0.

Please refer to chapter

Firmware

history

July 2021

1.8 1.4.0 1.2

• New features of ﬁrmware version 1.4.0.

Please refer to chapter

Firmware

history

• Added overview of helpful application

notes

• Updated document style

July 2022

?For ﬁrmware history see chapter

Firmware history

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WIRELESS CONNECTIVITY & SENSORS

User manual Proteus-III

Abbreviations

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.

DSSS Direct sequence

spread spectrum Technique to spread a message on the radio

DTM Direct test mode Mode to test Bluetooth®speciﬁc RF settings.

EV (Board) Evaluation (Board) Proteus-III populated on motherboard with USB

interface for test and evaluation purpose.

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 Bluetooth®LE

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.

SPI Serial Peripheral

Interface Allows the serial communication with the module.

UART

Universal

Asynchronous

Receiver

Transmitter

Allows the serial communication with the module.

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

[HEX] 0xhh Hexadecimal

All numbers beginning with 0x are hexadecimal

numbers. All other numbers are decimal, unless

stated otherwise.

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Contents

Overview of helpful application notes 12

1. Introduction 14

1.1. Operational description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.1.1. Keyfeatures................................. 15

1.1.2. Connectivity................................. 16

1.2. Blockdiagram..................................... 17

1.3. Orderinginformation................................. 17

2. Electrical speciﬁcations 18

2.1. Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . 18

2.2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.3. Powerconsumption.................................. 19

2.3.1. Static..................................... 19

2.3.2. Dynamic................................... 20

2.4. Radiocharacteristics................................. 22

2.5. Pincharacteristics .................................. 23

3. Pinout 24

4. Quick start 27

4.1. Minimal pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.2. Antennaconnection ................................. 29

4.2.1. On-board PCB antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.2.2. Externalantenna .............................. 29

4.3. Powerup ....................................... 30

4.4. Quickstartexample.................................. 31

5. Functional description 34

5.1. Operationmodes................................... 34

5.2. Radiomodulestates................................. 34

5.3. State indication using the LED pins . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.4. Sleepmode...................................... 36

5.5. Identiﬁcation of a Proteus-III device on the radio . . . . . . . . . . . . . . . . . . 37

5.6. Connection based data transmission, with or without security . . . . . . . . . . 37

5.6.1. Further information for a secure connection setup . . . . . . . . . . . . 38

5.6.1.1. Justworksmode ............................ 38

5.6.1.2. StaticPasskey mode . . . . . . . . . . . . . . . . . . . . . . . . . . 41

5.6.1.3. LescPasskey mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

5.6.1.4. LescNumComp mode . . . . . . . . . . . . . . . . . . . . . . . . . 47

5.6.1.5. Bonding................................. 50

5.7. Unidirectional connectionless data transmission using Beacons . . . . . . . . . 54

5.8. Energy-efﬁcient distance estimation solutions . . . . . . . . . . . . . . . . . . . 55

5.9. Conﬁgure the module for low power consumption . . . . . . . . . . . . . . . . . 55

5.10. Start the direct test mode (DTM) . . . . . . . . . . . . . . . . . . . . . . . . . . 56

5.11. Using the 2 MBit and LE Coded phy . . . . . . . . . . . . . . . . . . . . . . . . 58

5.12. Connection setup using LE Coded phy . . . . . . . . . . . . . . . . . . . . . . . 58

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6. Host connection 62

6.1. Serialinterface:UART................................ 62

6.1.1. Resetbehaviour............................... 62

7. The command interface 63

7.1. Scan for other modules in range . . . . . . . . . . . . . . . . . . . . . . . . . . 65

7.1.1. CMD_SCANSTART_REQ . . . . . . . . . . . . . . . . . . . . . . . . . 65

7.1.2. CMD_SCANSTOP_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . 65

7.1.3. CMD_GETDEVICES_REQ . . . . . . . . . . . . . . . . . . . . . . . . . 66

7.1.3.1. Example1................................ 67

7.1.4. CMD_RSSI_IND .............................. 67

7.1.5. CMD_BEACON_RSP............................ 68

7.2. Setupconnections .................................. 69

7.2.1. CMD_CONNECT_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . 69

7.2.2. CMD_CONNECT_IND . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

7.2.3. CMD_SECURITY_IND . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

7.2.4. CMD_CHANNELOPEN_RSP . . . . . . . . . . . . . . . . . . . . . . . 70

7.2.5. CMD_DISCONNECT_REQ . . . . . . . . . . . . . . . . . . . . . . . . 70

7.2.6. CMD_DISCONNECT_IND . . . . . . . . . . . . . . . . . . . . . . . . . 71

7.2.7. CMD_PHYUPDATE_REQ . . . . . . . . . . . . . . . . . . . . . . . . . 71

7.2.8. CMD_PHYUPDATE_IND . . . . . . . . . . . . . . . . . . . . . . . . . . 72

7.2.9. CMD_PASSKEY_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

7.2.10. CMD_PASSKEY_IND . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

7.2.11. CMD_DISPLAY_PASSKEY_IND . . . . . . . . . . . . . . . . . . . . . . 73

7.2.12. CMD_NUMERIC_COMP_REQ . . . . . . . . . . . . . . . . . . . . . . 74

7.2.13. CMD_GETBONDS_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . 74

7.2.13.1. Example1................................ 75

7.2.14. CMD_DELETEBONDS_REQ . . . . . . . . . . . . . . . . . . . . . . . 75

7.2.14.1. Example1................................ 76

7.2.14.2. Example2................................ 76

7.2.15. CMD_ALLOWUNBONDEDCONNECTIONS_REQ . . . . . . . . . . . . 77

7.3. Transmit and receive data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

7.3.1. CMD_DATA_REQ.............................. 78

7.3.2. CMD_TXCOMPLETE_RSP . . . . . . . . . . . . . . . . . . . . . . . . 78

7.3.3. CMD_DATA_IND .............................. 79

7.3.4. CMD_SETBEACON_REQ . . . . . . . . . . . . . . . . . . . . . . . . . 79

7.3.5. CMD_BEACON_IND ............................ 79

7.4. Conﬁguring the module and modifying the device settings . . . . . . . . . . . . 81

7.4.1. CMD_SET_REQ .............................. 81

7.4.1.1. Example1................................ 82

7.4.1.2. Example2................................ 82

7.4.2. CMD_GET_REQ .............................. 83

7.4.2.1. Example1................................ 83

7.5. Managethedevicestate............................... 84

7.5.1. CMD_GETSTATE_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . 84

7.5.1.1. Example1................................ 85

7.5.2. CMD_RESET_REQ............................. 85

7.5.3. CMD_SLEEP_REQ............................. 85

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7.5.4. CMD_SLEEP_IND ............................. 86

7.5.5. CMD_FACTORYRESET_REQ . . . . . . . . . . . . . . . . . . . . . . . 86

7.5.6. CMD_UARTDISABLE_REQ . . . . . . . . . . . . . . . . . . . . . . . . 87

7.5.7. CMD_UARTENABLE_IND . . . . . . . . . . . . . . . . . . . . . . . . . 88

7.5.8. CMD_BOOTLOADER_REQ . . . . . . . . . . . . . . . . . . . . . . . . 88

7.6. Run the Bluetooth test modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

7.6.1. CMD_DTMSTART_REQ . . . . . . . . . . . . . . . . . . . . . . . . . . 90

7.6.2. CMD_DTM_REQ .............................. 90

7.6.2.1. Example: Transmission, 16 times 0x0F, channel 0 . . . . . . . . . 92

7.6.2.2. Example: Receiver, channel 0 . . . . . . . . . . . . . . . . . . . . . 93

7.6.2.3. Example: Transmission, carrier test, channel 0 . . . . . . . . . . . 93

7.6.2.4. Example: Set TX power to -4 dBm . . . . . . . . . . . . . . . . . . 94

7.6.2.5. Example: Set PHY to 2 MBit mode . . . . . . . . . . . . . . . . . . 94

7.7. Switching GPIOs by remote control . . . . . . . . . . . . . . . . . . . . . . . . . 95

7.7.1. CMD_GPIO_LOCAL_WRITECONFIG_REQ . . . . . . . . . . . . . . . 95

7.7.1.1. Example: Conﬁgure two GPIOs to output high . . . . . . . . . . . . 96

7.7.2. CMD_GPIO_LOCAL_READCONFIG_REQ . . . . . . . . . . . . . . . 98

7.7.2.1. Example: Read the current GPIO conﬁguration . . . . . . . . . . . 99

7.7.3. CMD_GPIO_REMOTE_WRITECONFIG_REQ . . . . . . . . . . . . . . 100

7.7.3.1. Example: Conﬁgure two GPIOs of the connected remote device

tooutputhigh..............................101

7.7.4. CMD_GPIO_REMOTE_READCONFIG_REQ . . . . . . . . . . . . . . 103

7.7.4.1. Example: Read the current GPIO conﬁguration of the connected

remotedevice..............................104

7.7.5. CMD_GPIO_REMOTE_WRITE_REQ . . . . . . . . . . . . . . . . . . . 105

7.7.5.1. Example: Set a remote output GPIO to low . . . . . . . . . . . . . 106

7.7.6. CMD_GPIO_REMOTE_READ_REQ . . . . . . . . . . . . . . . . . . . 107

7.7.6.1. Example: Read the values of remote GPIOs . . . . . . . . . . . . . 108

7.7.7. CMD_GPIO_LOCAL_WRITE_REQ . . . . . . . . . . . . . . . . . . . . 109

7.7.7.1. Example: Set a local output GPIO to low . . . . . . . . . . . . . . . 110

7.7.8. CMD_GPIO_LOCAL_READ_REQ . . . . . . . . . . . . . . . . . . . . 111

7.7.8.1. Example: Read the values of local GPIOs . . . . . . . . . . . . . . 112

7.7.9. CMD_GPIO_REMOTE_WRITECONFIG_IND . . . . . . . . . . . . . . 113

7.7.9.1. Example: Two GPIOs have been conﬁgured by the connected re-

mote device to output high . . . . . . . . . . . . . . . . . . . . . . . 113

7.7.10. CMD_GPIO_REMOTE_WRITE_IND . . . . . . . . . . . . . . . . . . . 114

7.7.10.1. Example: GPIOs have been written via remote access . . . . . . . 114

7.7.11. CMD_GPIO_LOCAL_WRITE_IND . . . . . . . . . . . . . . . . . . . . 115

7.7.11.1. Example: GPIOs of the remote device have been written by its

localhost ................................115

7.8. Othermessages ...................................116

7.8.1. CMD_ERROR_IND.............................116

7.9. Messageoverview ..................................117

8. UserSettings - Module conﬁguration values 121

8.1. FS_DeviceInfo: Read the chip type and OS version . . . . . . . . . . . . . . . . 121

8.1.1. Example1..................................122

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8.2. FS_FWVersion: Read the ﬁrmware version . . . . . . . . . . . . . . . . . . . . 123

8.2.1. Example1..................................123

8.3. FS_MAC: Read the MAC address . . . . . . . . . . . . . . . . . . . . . . . . . . 124

8.3.1. Example1..................................124

8.4. FS_BTMAC: Read the Bluetooth conform MAC address . . . . . . . . . . . . . 125

8.4.1. Example1..................................125

8.5. FS_SerialNumber: Read the serial number of the module . . . . . . . . . . . . 126

8.5.1. Example1..................................126

8.6. RF_DeviceName: Modify the device name . . . . . . . . . . . . . . . . . . . . . 127

8.6.1. Example1..................................127

8.6.2. Example2..................................127

8.7. RF_StaticPasskey: Modify the static passkey . . . . . . . . . . . . . . . . . . . 129

8.7.1. Example1..................................129

8.7.2. Example2..................................129

8.8. RF_SecFlags: Modify the security settings . . . . . . . . . . . . . . . . . . . . . 130

8.8.1. Example1..................................132

8.8.2. Example2..................................132

8.9. RF_SecFlagsPerOnly: Modify the security settings (Peripheral only mode) . . . 133

8.9.1. Example1..................................133

8.9.2. Example2..................................133

8.10. RF_ScanFlags: Modify the scan behavior . . . . . . . . . . . . . . . . . . . . . 134

8.10.1.Example1..................................134

8.10.2.Example2..................................134

8.11. RF_BeaconFlags: Interpret the advertising data . . . . . . . . . . . . . . . . . . 136

8.11.1.Example1..................................136

8.11.2.Example2..................................137

8.12. RF_AdvertisingTimeout: Modify the advertising timeout . . . . . . . . . . . . . 138

8.12.1.Example1..................................138

8.12.2.Example2..................................138

8.13. RF_AdvertisingFlags: Conﬁgure the advertising packet . . . . . . . . . . . . . . 139

8.13.1.Example1..................................139

8.13.2.Example2..................................140

8.14. RF_ScanFactor: Modify the scan factor . . . . . . . . . . . . . . . . . . . . . . 141

8.14.1.Example1..................................141

8.14.2.Example2..................................141

8.15. RF_ScanTiming: Modify the scan timing . . . . . . . . . . . . . . . . . . . . . . 142

8.15.1.Example1..................................143

8.15.2.Example2..................................143

8.16. RF_ConnectionTiming: Modify the connection timing . . . . . . . . . . . . . . . 144

8.16.1.Example1..................................145

8.16.2.Example2..................................145

8.17. RF_TXPower: Modify the output power . . . . . . . . . . . . . . . . . . . . . . . 147

8.17.1.Example1..................................147

8.17.2.Example2..................................147

8.18. RF_SPPBaseUUID: Conﬁgure the SPP base UUID . . . . . . . . . . . . . . . . 149

8.18.1.Example1..................................149

8.18.2.Example2..................................149

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8.19. RF_SPPServiceUUID: Conﬁgure the SPP service UUID . . . . . . . . . . . . . 150

8.19.1.Example1..................................150

8.19.2.Example2..................................150

8.20. RF_SPPRXUUID: Conﬁgure the SPP RX UUID . . . . . . . . . . . . . . . . . . 151

8.20.1.Example1..................................151

8.20.2.Example2..................................151

8.21. RF_SPPTXUUID: Conﬁgure the SPP TX UUID . . . . . . . . . . . . . . . . . . 152

8.21.1.Example1..................................152

8.21.2.Example2..................................152

8.22. RF_Appearance: Conﬁgure the appearance of the device . . . . . . . . . . . . 153

8.22.1.Example1..................................153

8.22.2.Example2..................................153

8.23. UART_ConﬁgIndex: Modify the UART speed . . . . . . . . . . . . . . . . . . . 154

8.23.1.Example1..................................156

8.23.2.Example2..................................156

8.24. CFG_Flags: Conﬁgure the module . . . . . . . . . . . . . . . . . . . . . . . . . 157

8.24.1.Example1..................................157

8.24.2.Example2..................................157

8.25. DIS_ManufacturerName: Conﬁgure the manufacturer name . . . . . . . . . . . 159

8.25.1.Example1..................................159

8.25.2.Example2..................................159

8.26. DIS_ModelNumber: Conﬁgure the model number . . . . . . . . . . . . . . . . . 161

8.26.1.Example1..................................161

8.26.2.Example2..................................161

8.27. DIS_SerialNumber: Conﬁgure the serial number . . . . . . . . . . . . . . . . . 163

8.27.1.Example1..................................163

8.27.2.Example2..................................163

8.28. DIS_HWVersion: Conﬁgure the HW version . . . . . . . . . . . . . . . . . . . . 165

8.28.1.Example1..................................165

8.28.2.Example2..................................165

8.29. DIS_SWVersion: Conﬁgure the SW version . . . . . . . . . . . . . . . . . . . . 167

8.29.1.Example1..................................167

8.29.2.Example2..................................167

8.30. DIS_Flags: Conﬁgure the device information service . . . . . . . . . . . . . . . 169

8.30.1.Example1..................................169

8.30.2.Example2..................................169

9. Timing parameters 173

9.1. Resetandsleep ...................................173

9.2. Bluetooth LE timing parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

9.3. Connection establishment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

9.4. Connection based data transmission . . . . . . . . . . . . . . . . . . . . . . . . 174

9.4.1. Maximum data throughput . . . . . . . . . . . . . . . . . . . . . . . . . 175

10.Peripheral only mode 177

10.1. Reasons to use the peripheral only mode . . . . . . . . . . . . . . . . . . . . . 177

10.2. Restrictions......................................177

10.3. How to use the peripheral only mode . . . . . . . . . . . . . . . . . . . . . . . . 178

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