CB-OBS411X-04-0 ConnectBlue, CB-OBS411X-04-0 Datasheet

BLUETOOTH V2.1+EDR MODULE 4DBM

CB-OBS411X-04-0

Manufacturer Part Number
CB-OBS411X-04-0
Description
BLUETOOTH V2.1+EDR MODULE 4DBM
Manufacturer
ConnectBlue
Datasheets

Specifications of CB-OBS411X-04-0

Frequency
2.4GHz
Data Rate - Maximum
115.2kbps
Modulation Or Protocol
Bluetooth v2.1+EDR, Class 2 & 3
Applications
General Purpose
Power - Output
4dBm
Sensitivity
-84dBm
Voltage - Supply
3 V ~ 6 V
Current - Receiving
15.5mA
Current - Transmitting
25.1mA
Data Interface
Solder Pads, 2 x 20mm, 1 mm pitch
Antenna Connector
U.FL
Operating Temperature
-30°C ~ 85°C
Package / Case
Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Other names
809-1034
connectBlue
Copyright © 2010 connectBlue AB
Copyright © 2010 connectBlue AB. The contents of this document can be changed by connectBlue AB without prior notice and do not
constitute any binding undertakings from connectBlue AB. connectBlue AB is not responsible under any circumstances for direct, indirect,
unexpected damage or consequent damage that is caused by this document. All rights reserved. All brand and product names are
trademarks or service marks of their respective owners.
CB-OBS411 ELECTRICAL MECHANICAL DATA
Document Revision
Published: Jan 20, 2011 13:43
Document version:
14
SHEET
Page 1 of 42

Related parts for CB-OBS411X-04-0

CB-OBS411X-04-0 Summary of contents

Page 1

... CB-OBS411 ELECTRICAL MECHANICAL DATA Document Revision Published: Jan 20, 2011 13:43 Document version: 14 Copyright © 2010 connectBlue AB. The contents of this document can be changed by connectBlue AB without prior notice and do not constitute any binding undertakings from connectBlue AB. connectBlue AB is not responsible under any circumstances for direct, indirect, unexpected damage or consequent damage that is caused by this document ...

Page 2

... Antenna Connector (External antennas) 6 Mechanics 6.1 Module Outlines 6.2 Using the J2/J3 Board-to-Board Connectors 6.3 Using Press-Fit Nuts for Mounting the Module 6.4 Using the J6 PCB solder pads 6.5 Antenna Issues 7 Bluetooth Information 7.1 General information 7.2 Bluetooth Qualification information 8 Regulatory Information 8 ...

Page 3

... Introduction The hardware of the cB-OBS411 products are refered as cB-0925 and the module is Type Approved with the type name cB-0925. cB-OBS411 is a small size Bluetooth module based on the ST-Ericsson STLC2500 radio chip and a ST Microelectronics STM32F10x microprocessor. The module is available in different configuration (see ...

Page 4

... PVH0925 / dBm 5325A-0925 EIRP* Sensitivity: -84 dBm EIRP* cB-OBS411j-06 cB-0209-01 Class 1 / Output cB-0925 / power: 4 PVH0925 / dBm 5325A-0925 EIRP* Sensitivity: -84 dBm EIRP* cB-OBS411x-04 cB-0207-01 Class 1 / Output cB-0925 / power PVH0925 / 6 dBm 5325A-0925 EIRP** Sensitivity: -84 to -86 dBm EIRP** cB-OBS411x-06 cB-0210-01 Class 1 / Output cB-0925 / power PVH0925 / ...

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... Block Diagram Figure 2: Block diagram of cB-OBS411 Copyright © 2010 connectBlue AB Page ...

Page 6

... SHR-06V-S from JST. Other connector options are also available from JST. Figure 3: The solder pads J6 are available on the long edges of the bottom side of the PCB. The board-to-board connector pads J2-J3 are located between the mounting holes. ...

Page 7

... Pin Numbering 3.1.1 J2, J3 and J6 bottom side connectors Figure 5: Bottom view of the PCB with the pin numbering of the J2, J3 and the J6 connectors. 3.1.2 J8 JST connector Figure 6: Top view of the PCB with the pin numbering of the J8 connector. Copyright © 2010 connectBlue AB ...

Page 8

... Out 2 RED:Logic Red LED Signal (see the section). Active low. Mode: Not used on cB-OBS411. to select Logic level mode (instead of RS232) for connectBlue products with internal RS232 driver compatible with these products check the datasheet for these products about this signal. CMOS ...

Page 9

... Use max 4.7kOhm as pull-down which is different to previous product generations from connectBlue. *** Alternative signal pin recommended to use in new designs (both signal pins should be connected). 3.3 Characteristics The cB-OBS411 module has linear power supplies, which means that the current is constant if the voltage supply is changed. 3.3.1 Power supply NOTE ...

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... Logic LOW level output voltage OUT V High Logic HIGH level output voltage OUT I Sink and source current IO C I/O pin capacitance IO Copyright © 2010 connectBlue AB Value Unit 3.0 VDC Max 6.0 VDC Connectable, discoverable Connectable, not discoverable Connectable, discoverable Idle or Receiving Min Max 0.80 Min Max 5 ...

Page 11

... Max +125 Operating temperature Min -30 Max +85 3.4 Hardware Reset A hardware input is available on the J3 and J6 connectors (see collector, see section Reset for design examples. The state. Copyright © 2010 connectBlue AB Min ) internal pull-up Typ Max 50 Min °C °C °C °C Pin Numbering pin is internally pulled-up with 30kOhm ...

Page 12

... LEDs flashes and will be HIGH for 50-100ms. For information on how to suppress the flashes see section BLUE Signal . DTR signal can be set to indicate an active Bluetooth link. For more information see Serial Port Adapter AT command Specification. Copyright © 2010 connectBlue AB RGB LED Color GREEN GPIO BLUE GPIO RED GPIO Green LOW ...

Page 13

... See section Antenna Issues Please note that this version is only available on special request. The antenna performance is limited because of the small size of the antenna. Copyright © 2010 connectBlue AB for mounting the module considering the for mounting the module considering the antenna. Page ...

Page 14

... SMA adapter cable. The SMA antenna versions are not allowed for usage in USA and Canada. Instead the reversed polarity SMA must be used. Other antennas are also available on request (please contact connectBlue for more information). 5.2.1 Antenna Accessories Part Number cB-ACC-18 / cB-ACC-48 Name U.FL to SMA adapter cable Connector U ...

Page 15

... Antennas Part Number cB-ACC-16 / cB-ACC-36 Name WCR2400-SMA / WCR2400-SMRP Manufacture Laird Technologies / Centurion Type ½ wave dipole Polarization Vertical Gain +2.5 dBi Size 100 mm (Straight) Connector SMA plug (inner thread and pin) or Reverse Polarity SMA plug (inner thread and pin receptacle) Comment To be mounted on the U ...

Page 16

... Size 108 mm (Straight) Cable length 100 mm (250 mm is also available) Connector U.FL. connector Comment To be mounted on the U.FL connector on the PCB. Approval Approved for use in the US, Canada and Europe. Part Number cB-ACC-23 Name Mobile Mark Stub Manufacture Mobile Mark Communications Antennas Type ¼ ...

Page 17

... Part cB-ACC-17 Number Name Reel planTec Bluetooth m70 Manufacture REEL Type Patch antenna Gain +1.0 dBi Size Ø Mounting M16 x 13.6 mm Connector SMA plug (inner thread and pin) Cable 300 cm. Other cable lengths are available length on request. Comment To be mounted on the U.FL to SMA adapter cable ...

Page 18

... Part cB-ACC-21 Number Name Rugged SMA R380.500.127 Manufacture Radiall/Larsen Type ½ wave dipole Polarization Vertical Gain +2.0 dBi Size Ø 14.3 x 61.4 mm Connector SMA plug (inner thread and pin) Comment To be mounted on the U.FL to SMA adapter cable. Approval Approved for Europe. Not approved for use in the US and Canada. ...

Page 19

... Weight 6.1.2 Mounting Holes There are 2 x 2.3mm mounting holes on the cB-OBS411 module. The reasons for the 2.3mm holes are that the threaded M2 holes on the single and double row connectors (see section holes align the module if the single row connectors are used and the inner if double row connectors are used (see Figure 8). ...

Page 20

... NOTE When ordering connectors from Samtec or an official Samtec distributor, please use the ASP order number and refer to the connectBlue global quote number for best price. For technical questions regarding the Samtec connectors please contact connectBlue or Samtec at ( See Figure 9 for more information about the connector and necessary measurements on the motherboard. The large mounting holes on the motherboard are designed for press-fit nuts and could be smaller if press-fit nuts are not used ...

Page 21

... Figure 9: Host PCB layout [mm] for single row connector. 6.2.2 Double row connectors This connector is a double row connector and can be used if both J2 and J3 are needed. This connector has a height of 3.0mm and this has to be considered if components are to be mounted on the motherboard under the OEM Serial Port Adapter board ...

Page 22

... Figure 10: Host PCB layout [mm] for double row connector. 6.3 Using Press-Fit Nuts for Mounting the Module A press-fit nut is pressed into the PCB from the bottom side with a special press tool. M2 sized press-fit nuts are suitable for the modules (see Figure 9 and Figure 10) and are manufactured by PEM Fastening Systems ( Be careful with the distance between the nuts regarding alignment, see the Figure 11: KFS2-M2 press-fit nut ...

Page 23

... The unit cannot be mounted arbitrary, because of the radio communication. The unit with an internal surface mounted antenna (cB-OBS411i and cB-OBS411j) cannot be mounted in a metal enclosure. No metal casing or plastics using metal flakes should be used, avoid also metallic based paint or lacquer. Keep a minimum clearance between the antenna and the casing. Keep minimum 10 mm free space from metal around the antenna including under and above ...

Page 24

... Bluetooth Information 7.1 General information In the tables below you can find information about Bluetooth properties. The output power of the cB-OBS411 device is max +4dBm (2.5mW). Table 10: Bluetooth information cB-OBS411 Parameter Bluetooth radio Host micro controller RF output power (conducted - excluding antenna gain) ...

Page 25

... For more information please contact connectBlue Copyright © 2010 connectBlue AB . Page ...

Page 26

... Malmö, Sweden CTO of connectBlue AB If the cB-OBS411x module is used with an antenna with higher gain then 5dBi within EU a notification must be made to each of the national authorities responsible for radio spectrum management of the intention to place radio equipment that uses frequency bands whose use is not harmonized throughout the EU, on its national market ...

Page 27

... Health Canada limits for the general population; consult Safety Code 6, obtainable from Health Canada's website 8.3.1.4 Labeling Requirements for End Product For an end product using the product cB-0925 there must be a label containing, at least, the following information: This device contains FCC ID: PVH0925 ...

Page 28

... FCC ID and the statement shall also be included in the end-product manual. 8.4 UL listing information If a customer intends to UL list a product including any of the Bluetooth modules based on the PCB cB-0925 this information is useful: The printed circuit board if produced according to the following specification: UL recognized ZPMV2 min. 105 °C flame class V-0 or better. ...

Page 29

... For any exceptions, due to national requirements or limitations, when using your OEM Serial Port Adapter, please visit www.bluetooth.org. NOTE Changes or modifications to the product not expressly approved by connectBlue AB will void the user's authority to operate the equipment. 9.2 Product Care Do not expose your product to liquid or moisture. ...

Page 30

... The LVC gates could maybe also be used for output signals if the host input signals are TTL compatible (V can not be used on 5V CMOS input signals. Copyright © 2010 connectBlue AB Yes Use one of the OEM Serial Ports Adapters with antenna connector for external antenna (cB-OBS411x). See section Logic level Mode for electrical design. See section External RS232 driver for electrical design ...

Page 31

... Figure 12: Logic levels interface to a 3/3.3V system. A protective 100Ohm resistor is used. Figure 13: Interface example with logic levels system. The gate converting from host 5V output to module input can be repleced with an LVC gate if the voltage divider is removed. Copyright © 2010 connectBlue AB Characteristics = 2V). LVC gate can not be used on 5V CMOS ...

Page 32

... Logic level Mode The serial UART interface can be used in a host controller application with a UART interface. The design of the interface depends on the power supply voltage of the host system; see the Copyright © 2010 connectBlue AB Logic Levels section for voltage translation. ...

Page 33

... An external RS232 driver is needed if the module should have a RS232 serial interface. See Figure 15 for a complete design example that could be connected to the serial port of standard PC. Not used functionality can be left unconnected; see section Figure 15: A complete RS232 interface. Copyright © 2010 connectBlue AB Serial Interface . ...

Page 34

... SerialSelect signals (see the Table 13: SerialSelect signals combinations S erialSelect-0 SerialSelect-1 RS485/RS422 Transmitter status (Active high Disabled 0 1 Enabled 1 0 Enabled 1 1 Disabled Copyright © 2010 connectBlue AB Pin Description section). RS485/RS422 Receiver status (Active low) Enabled Enabled Disabled Disabled Page ...

Page 35

... Figure 18: A blue LED can be connected directly to the module if the LED current is below 4mA. A high state (active low) makes the voltage drop over the LED to 2.2V. This is not enough to light the LED. Copyright © 2010 connectBlue AB Operating Status ). See Figure 19 for an example on how to suppress the flashes. ...

Page 36

... Figure 21). The 74HCT08 gate is available in a single and dual gates package (74AHCT1G08 and 74AHCT2G08). Figure 20: A red LED in a 3.3V host system. The status of the signal can also be used as input to a host controller. Copyright © 2010 connectBlue AB Page ...

Page 37

... The RED signal pin is also used to select Logic Level mode (instead of RS232) for connectBlue product with internal RS232 driver e.g. cB-OEMSPA312. The mode functionality is not applicable on cB-OBS411 because there is no internal RS232 driver available compatible with these products check this signal in their Electrical and Mechanical datasheet. ...

Page 38

... Figure 25). The 74HCT08 gate is also available in a single gate package (74AHCT1G08). Figure 24: No restore switch used but a green LED in a 3.3V host system. The status of the signal can also be used as input to a host controller. Copyright © 2010 connectBlue AB Page ...

Page 39

... Figure 26: A low resistance restore switch used. Notice the 1kOhm serial resistor. Figure 27: If the resistance in the switch is not guaranteed to be low enough, a safer design can be used. Notice the 1kOhm serial resistor. Copyright © 2010 connectBlue AB Input/Output signals ). A design that prevents this can be found in ...

Page 40

... Figure 30 for a switch example. If the reset signal is connected to an output signal it must be an open drain collector, see Figure 31. The pin can be left unconnected if not used. Copyright © 2010 connectBlue AB Input/Output signals ). A design that prevents this can be found in \ ...

Page 41

... A Complete 5V Host System Interface Figure complete 5V host system interface example with an RGB LED and two switches (except the serial interface, see section Serial Interface for information). The design is based on the LM339 Quad OP-amp instead of logic gates. Copyright © 2010 connectBlue AB Page ...

Page 42

... Figure 32: A complete 5V host interface with operational amplifier. Copyright © 2010 connectBlue AB Page ...

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