OWSPA311G - Spezial Electronic
Contents
1. Logic Outpu Logic Input 74HCT08 Figure 12 Logic levels interface to a 3 3V Figure 13 Interface example with logic levels to a 5V system system A protective 1000 resistor is used A 5V system with open collector outputs is designed in Figure 14 cB OWSPA 5 Host System with open collector outputs 5V Logic Input Schottky diode Logic Output Logic Output Logic Input Recomended if the host controller are internally pulled up Figure 14 Open collector outputs Version 1 13 2008 09 39 2 2 Serial Interface The serial interface of the module use logic levels and the module can be connected to an ex ternal CPU see section A 2 2 1 An external driver is needed if the module should be on another physical interface like RS232 see section A 2 2 2 CTS Clear To Send and RTS Request To Send are used for hardware flow control DSR Data Set Ready can be used to make a connect attempt See the Serial Port Adapter AT commands specification DTR Data Terminal Ready can be used to detect if the module is up and running and ready to receive data Note The module must be configured to flow control none if hardware flow control is not used see the Serial Port Adapter AT Command Specification Manual A 2 2 1 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 ho2. LED tune Am Figure 20 A red LED in a 3 3V host system The Figure 21 A red LED in a 5V host system The status of the signal can also be used as input to a status of the signal can also be used as input host controller to a host controller For connectBlue products with internal RS232 driver the RED signal pin is also used to select Logic Level mode instead of RS232 The mode selection functionality is not applicable on OW SPA311g because there is no internal RS232 driver available To be compatible with these prod ucts check the datasheet about this signal A 2 3 3 GREEN Switch 1 signal The GREEN Switch 1 signal is a multiplexed signal GREEN Logic green LED signal see Chapter 3 Table 13 Becomes valid 500ms after start up Switch 1 The module reads the status of the signal at startup to decide if the serial inter face settings shall be restored LOW see the Serial Port Adapter User Manual for more de tails The input signal must be stable for the first 500ms after startup after reset power on reset The signal is internally pulled up 15k to 3 0V for NOT restoring settings to default Note The internal 15kQ pull up is smaller than on previous product generations from connectBlue This requires a smaller pull down resistor 1kQ for a low state If a LED is used and a switch is required to be able to restore the settings a high impendence buffer need to prevent the signal from being pulled up via the L
3. Application Notes 38 1 otep by Step Ouid e irte ee Ree aks 38 A 2 Design e eta Ga ore Aedui tensa ev caua 39 A Complete 5V Host System Interface 46 Version 1 13 2008 09 1 General Information 1 1 Overview The Serial Wireless LAN Module OWSPA311g from connectBlue has been developed for inte gration in industrial devices providing state of the art low power features The module mini mizes the work needed to implement WLAN 802 11b g in a device as it provides all software hardware type approval EMC certification etc It is developed for reliable high demanding in dustrial devices and applications and requires no host driver The Serial WLAN Module is a complete WLAN implementation No external driver is needed The WLAN module has a small form factor and the interface layout is the same as the Bluetooth modules from connectBlue which enables customers to prepare their device for both Bluetooth and or WLAN 1 2 Supports both 802 110 and 802 110 No software driver needed Radio type approved for Europe Unlicensed Modular Transmitter Approval for US and Canada Compliant with EMC standards Industrial temperature range 30 to 85 C Support for low power modes Compatible with connectBlue Bluetooth modules Supports security features WEP64 WEP128 WPA WPA2 LEAP Ad hoc and infrastructure mode Internal or dual external antennas diversity
4. Switch 0 E Switch 0 Figure 28 A low resistance function switch Figure 29 If the resistance in the switch is not used guaranteed to be low enough a safer design can be used A 2 4 Reset The RESET pin can be connected to an external reset source see Figure 30 for a switch exam ple If the reset signal is connected to an output signal it must be an open drain see Figure 31 The RESET pin can be left unconnected if not used cB OWSPA Host System cB OWSPA Host System 3V3 5V A Reset Control V o 22k Figure 30 reset switch Figure 31 Design of an open collector reset from an active high output Version 1 13 2008 09 45 A Complete 5V Host System Interface This is a complete 5V host system interface example with an RGB LED and two switches except the serial interface see section A 2 2 for information The design is based on the LM339 Quad OP amp instead of logic gates CB OWSPA i 5V Host System 1Kohm 33Kohm 470ohm 380ohm T 1 4 x LM339 1 4 x LM339 BLUE I SwitchO 1 4 x LM339 1 4 x LM339 pi Optional filter cap 100ohm 10Kohm An alternate switch interface is shown for Switch1 to avoid using a second LM339 if more than 4 circuits i vss L is not recommended due to the very low signal current which is normally not supported by mechanical contacts 180ohm Recommended r
5. IG 103 Joymax dipole Vertical 9 dBi 24 x 621 mm N type Not to be used with modular approval in the US and Canada SPA 2400 75 8 0 V HUBER SUHNER Patch Linear Vertical 7 5 101 x 80 x 20 mm SMA female To be connected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada Version 1 13 2008 09 24 Part Number Name Manufacture Type Polarization Gain Size xH Connector Comment Approval Part Number Name Manufacture Type Polarization Gain Size xH Connector Comment Approval SOA 2400 360 6 0 V HUBER SUHNER dipole Vertical 6 dBi 22 x 250 mm N type Not to be used with modular approval in the US and Canada SOA 2400 360 4 20 V HUBER SUHNER 1 4 wave dipole Vertical 4 dBi 86 x 43 mm SMA male To be connected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada Version 1 13 2008 09 25 5 Mounting Information 5 1 Module Dimensions 00 EZ Figure 6 OWSPA311g primary side dimensions mm S6 z 00 Z M2 Figure 7 OWSPA311g profile dimensions mm Version 1 13 2008 09 26 5 1 1 Solder Lands dimensions 2 00 oy es 3 00 et a i ed Figure 8 OWSPA311g solder land dimensions mm 5 1 2 Mounting Holes There are 2 x 2 3mm mounting holes on cB 0908 The reasons for the 2 3mm holes are that t
6. O control signal active low This signal activates the Connect on external signal function See the Serial Port Adapter AT command speci fication for more information Reserved do not connect Control signal for external serial transceivers Control signal for external serial transceivers 1 To remain compatible please check the datasheet for other connectBlue products using this pin 2 Signals are CMOS logic level 0 3 V lt V lt 0 8 V 2 lt V lt 3 3 V 3 The ESD performance will be improved if this signal is decoupled with a 10 nF capacitor to VSS 4 Choose a pull down resistor in the interval 1k lt lt 4 7k observe this is different to previ ous product generations from connectBlue Version 1 13 2008 09 14 2 2 Characteristics The OWSPA311g module is designed to be fully interchangeable with the connectBlue Blue tooth product range If the host product has space for the board it is possible to choose freely between Bluetooth modules e g cB OEMSPA31 1i x or cB OEMSPA331i x or WLAN modules e g OWSPA311gi x without any change of the host product If you design your power supply for cB OWSPAS311gi x the modules will be fully interchangeable 2 2 1 Power supply NOTE Read the safety notes in section Guidelines for Efficient and Safe Use before using the modules Table 8 Power supply Symbol Parameter Value VDD Supply voltage Unregulated Min Max The module is eq
7. and are easier to design in However an external antenna could give better range See section A 2 2 2 for electrical design Go on to next point Go on to next point Go on to next point Go on to next point Go on to next point Go on to next point Go on to next point 38 2 Design Examples This section contains design examples for all interfaces on connectors J2 J3 J6 and J8 The connector type that suits a specific application depends on the needed signal and the preferred interface type wires board to board or SMD A 2 1 Logic Levels A 3 3V host system be connected directly to the logic level pins BLUE UART TxD UART RxD etc A serial 100Q resistor shall be used see Figure 12 for protection see Table 10 for logic levels characteristics A 5V host system can easily be adjusted to the logic levels A host system output signal can use a resistive divider 18k 22k to adjust the levels This is applicable for soeeds up to 115 2kBits s The divider can be adjusted to 1 8k 2 2k and a logic buffer 74HCTO8 for higher speeds see Figure 13 The host system input pins could require a buffer see Figure 13 depending on the logic level requirements see Table 10 The 7A4HCTOS8 gate is also available in a single gate package 74AHCT1 G08 cB OWSPA 5V Host System Generic solution cB OWSPA 3VD0 3V3 Host System Logic Output T4HCTO08 Logic Input Logic Output i ES
8. antenna options has to be used See section 4 2 for more information on the antenna options available Version 1 13 2008 09 30 6 WLAN Information 6 1 General Information In the table below you can find information about module WLAN properties Table 15 WLAN information OWSPA311g Parameter Data Radio Phillips BGW211 SA2459 SA5253 RF output power 802 11b mode 17 dBm 802 119 mode 17 dBm 6 36 Mbit s 15 dBm 48 54 Mbit s Receiver sensitivity Data rate PER lt 10 mode 802 11b 1 Mbit s 94 dBm 11 Mbit s 87 dBm mode 802 110 6 Mbit s 89 dBm 9 Mbit s 88 dBm 12 Mbit s 86 dBm 18 Mbit s 85 dBm 24 Mbit s 82 dBm 36 Mbit s 78 dBm 48 Mbit s 74 dBm 54 Mbit s 72 dBm Receive input level max 10 dBm Output frequency 2 412 2 472 GHz channel 1 13 5MHz separation WiFi Certified Bluetooth coexistence Version 1 13 2008 09 31 7 Regulatory Information 7 1 Declaration of Conformity CEO We connectBlue AB of Norra Vallgatan 64 3V SE 211 22 Malmo Sweden declare under our sole responsibility that our products CB OWSPA31 1gi cB 0120 01 cB 0121 01 CB OWSPA31 19x cB 0122 01 cB 0123 01 to which this declaration relates conforms to the following product specifications R amp TTE Directive 1999 5 EC EN 300 328 EMC Directive 89 336 EEC EN 301 489 1 EN 301 489 17 EN 61000 6 2 Safety Compliance EN 60950 1 2001 and or IEC 60950 1 2001 1 Edit
9. many ways The designer can use the step by step guide in this chapter as an aid in the design process A 1 Step by Step Guide Table 16 Step by step guide with Yes and No answers Question Yes Are you going to integrate the OWSPA The internal antenna models can Serial Port Adapter in a metal enclo sure Do you wish to use logic level when communicating with the Serial Port Adapter Do you want to use RS232 as the physical serial interface Do you want to use RS485 or RS422 as the physical serial interface Is low power consumption important Do you wish to connect LEDs to the Serial Port Adapter Do you want to detect the status of the module with a controller Do you wish to utilize the restore switch Do you wish to utilize the Function switch Connect on external signal Do you want to manually reset the module not be used Use the OW SPA3119x See section A 2 2 1 for electrical design See section A 2 2 2 for electrical design TDB TBD See section A 2 3 for design exam ples for connecting the LEDs See Chapter 3 for status detection and section A 2 3 for electrical design See section A 2 3 2 for electrical design See section A 2 3 4 for electrical design See section A 2 4 for electrical design Use a double row connec tor See section 5 2 1 1 Version 1 13 2008 09 No You are free to choose between the products The internal antenna models are lower cost
10. supported Related Documents There are some documents related to the Serial Port Adapter The OWSPA AT Commands document contains a description of the AT commands sup ported in the OWSPA Serial Port Adapter OWSPA Electrical amp Mechanical Datasheet this document contains important in formation about the OWSPA Serial Port Adapter Version 1 13 2008 09 5 1 3 Product Variants This Electrical and Mechanical datasheet contains information about the variants of OWSPA modules based on the PCB cB 0908 see Table 1 Table 1 Product variants Product Name CB OWSPA31 1gi 06 Internal an tenna CB OWSPA31 1gi 04 CB OWSPA3119x 06 External antenna CB OWSPA31 19x 04 1 4 OWSPA311g Module ID FCC ID cB 0121 01 PVH090802 CB 0120 01 PVH090802 cB 0123 01 PVH090802 cB 0122 01 PVH090802 Description OWSPA311g with internal antenna JST connec tor OWSPA311g with internal antenna no JST connector OWSPA311g with external antenna JST con nector Receive diversity supported OWSPA311g with external antenna no JST connector Receive diversity supported OWSPA31 1g is a small size Wireless LAN module based on the NXP BGW21 1 system in package SiP chip set The modules are available in many different antenna and connector combinations See Picture 1 and 2 for some of the available models All models are described in Table 1 Picture 1 cB OWSPA311gx 06 OWSPA module
11. 008 09 10 2 1 4 J3 Connector Description Table 3 Signals on J3 J3 Pin Name Pin Nr 1 8 9 SerialSelect 0 10 SerialSelect 1 11 14 15 16 BT 17 WL 18 RX IND 19 RESETn 20 Signal Level CMOS CMOS CMOS CMOS CMOS CMOS CMOS Type Out Out Out Out Description Reserved do not connect Control signal for external serial transceivers Control signal for external serial transceivers Reserved do not connect Bluetooth co existence interface Bluetooth high priority traffic indicator Bluetooth co existence interface Bluetooth arbitration signal Bluetooth co existence interface WLAN arbitration signal Bluetooth co existence interface WLAN receive indicator Active low Must be driven by open drain collector Reserved do not connect 1 To remain compatible please check the datasheet for other connectBlue products using this pin 2 Signals are CMOS logic level 0 3 V lt V lt 0 8 V 2 lt V lt 3 3 V 3 The ESD performance will be improved if this signal is decoupled with a 10 nF capacitor to VSS Version 1 13 2008 09 11 2 1 5 Primary External Antenna Connector J4 is the primary external antenna connector It is used for both transmit and receive The port impedance to match is 50Q Table 4 Signals on J4 J4 Pin Name Signal Description Pin Nr Level 1 AntMain RF I O Primary external antenna port 500 Note this conn
12. ASP 118580 01 that fit the mounting holes on the board You may screw the OWSPA module directly into these inserts If you want to have a tighter and more secure mounting you may use longer screws and secure it using a nut on the backside of the motherboard Another way to mount the module is to use press fit nuts on the motherboard and skip the M2 threads on the connector ASP 118581 01 see section 5 3 for more information about press fit nuts Table 14 Double row connectors from Samtec Samtec order Quote Equivalent part Package Remark number number REF 120021 01 55392 FSI 120 03 G D AB Tube Align pin on bottom side only REF 120021 02 55392 FSI 120 03 G D AB K TR Tape n Reel Align pin on bottom side only REF 120018 01 55392 FSI 120 03 G D M AB Tube With M2 threaded inserts and align pin on bottom side only REF 120018 02 55392 FSI 120 03 G D M AB K TR Tape n Reel With M2 threaded inserts and align pin on bottom side only NOTE When ordering connectors from Samtec or an official Samtec distributor please use the REF or der 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 Scandinavia samtec com See Figure 10 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 nut
13. ED A 74HC08 logic gate can be used in a 3 3V system see Figure 22 and a 74HCT08 logic gate in a 5V system see Figure 23 Both gates are available in a single gate package 74AHC 1G08 74AHCT1G08 Sometimes over time switch contacts can get an oxide layer This may cause the closed switch resistance to become too high to sink the signal to logic LOW the signal is internally pulled up to 15kO A design that prevents this can be found in Figure 27 Figure 22 Switch 1 used together with a Figure 23 Switch 1 used together with a green green LED in a 3 3V host system The status LED in a 5V host system The status of the of the signal can also be used as input toa signal can also be used as input to a host host controller Notice the 1kQ serial resistor controller Notice the 1kQ serial resistor Version 1 13 2008 09 43 The buffer can be removed in 3 3V system if no restore switch is required see Figure 24 In a 5V system the high state output 2 9V from the module is not enough to turn off the LED so a 74HCT08 buffer can be used to raise the high level to 5V see Figure 25 The 74HCT08 gate is also available in a single gate package 74AHCT1G08 cB OWSPA 5V Host System cB System LED current 4mA E LED curent 4mA OREENISWilth accede GREEN Switch 1 TT i 74HCT08 Figure 24 No restore switch used but a green Figure 25 No restore switch used but a green LED in a 3 3V host system
14. INDUSTRIAL WIRELESSTM OWSPA311g i x cB 0908 Electrical amp Mechanical Datasheet connectBlue OWSPA31 1g i xTM cB 0908 Electrical amp Mechanical Datasheet Copyright 2006 2008 connectBlue The contents of this document be changed by connectBlue 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 Release 2008 09 Document version 1 13 Document number cBProduct 0611 04 1 Printed in Sweden Trademarks Registered trademarks from other companies are Microsoft Windows Windows NT Windows 2000 Windows CE Windows are registered trademarks from Microsoft Corporation Contents 1 General Information 5 1 1 ead Wi 5 1 2 Related DOCUMENTS gt 5 1 3 19 0 6 4 6 1 4 ES 6 1 5 Block Diagram 119 7 2 Electrical Interface and Connectors 8 2 1 PIR NOMbEnINO erp ebat 9 2 2 OU cottons 15 2 3 Hardware ROSEN ences ie cue 16 2 4 mouet 16 3 Operating Status 17 4 Antenna Informa
15. The status of the signal LED in a 5V host system The status of the can also be used as input to a host controller signal can also be used as input to a host con troller A serial resistor to the restore switch must be used to prevent a short circuit when the GREEN Switch 1 pin is in output HIGH state and the switch is pressed see Figure 26 The GREEN Switch 1 pin can be left unconnected if none of its functionality is required cB OWSPA Host System Safe for high resistance switches cB OWSPA Host System i Switch resistance lt 10k mn i 1k GREEN Switch 1 GREEN Switch 1 BC847 Figure 26 A low resistance restore Figure 27 If the resistance in the switch is not guaran switch used Notice the 1kQ serial resis teed to be low enough a safer design can be used No tor tice the 1kQ serial resistor A 2 3 4 Switch 0 Signal Switch 0O is not multiplexed with other functionality and a switch is easily implemented see Figure 28 Sometimes over time switch contacts can get an oxide layer This may cause the closed switch resistance to become too high to sink the signal to logic LOW the signal is internally pulled up to 15kQ A design that prevents this can be found in Figure 29 The Switch 0 pin can be left unconnected if its functionality is not used Version 1 13 2008 09 44 cB OWSPA Host System Switch resistance lt 10k cB OVYSPA Host System i Safe for high resistance switches
16. cordance with 47 CFR 15 19 the end product shall bear the following statement in a con spicuous location on the device This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause un desired operation When the device is so small or for such use that it is not practicable to place the statement above on it the information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or alternatively shall be placed on the container in which the device is marketed However the FCC ID label must be displayed on the device In case where the final product will be installed in locations where the end consumer is not able to see the FCC ID and or this statement the FCC ID and the statement shall also be included in the end product manual 7 2 6 RF exposure Statement for OWSPA311g This modular transmitter MUST have a separation distance of at least 20 cm between the an tenna and the body of the user or nearby persons If the radio module is installed in a laptop display transmission MUST be prevented if the lid is closed to ensure that the minimum distance of 20 cm between the user and the transmitting antenna is maintained Any notification to the end user of installation or removal instructions ab
17. dealer or an experienced radio TV technician for help 7 2 3 Antenna Our module type OWSPA31 1g is for OEM integrations only In the end user product the module shall be professionally installed in such a manner that only the authorized antennas can be used Version 1 13 2008 09 33 7 2 4 Caution Any changes or modifications NOT explicitly APPROVED by connectBlue AB could cause the module to cease to comply with FCC rules part 15 and thus void the user s authority to operate the equipment 7 2 4 1 Ad hoc mode frequencies Our module type OWSPA311g when operating under the definition of a client 47 CFR 815 202 is preconfigured to use the most restrictive regulatory domain For this reason the available operating frequency range is limited to channel 1 11 2412 2462 MHz If the regulatory domain of the module for any reason is changed it may cause operation on il legal frequencies and as a result the module will cease to comply with FCC rules part 15 and thus void the user s authority to operate the equipment 7 2 5 Labeling Requirements for End Product For an end product using the product OWSPA311g there MUST be a label containing at least the following information This device contains FCC ID PVH090802 IC 5325A 090802 The label must be affixed on an exterior surface of the end product such that it will be visible upon inspection in compliance with the modular approval guidelines developed by the FCC In ac
18. ected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada cB ACC 23 PSTGO 2400HS Mobile Mark 1 4 wave dipole Vertical O dBi 32 mm SMA male To be connected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada Version 1 13 2008 09 21 Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval cB ACC 21 Rugged SMA Radiall Larsen 1 2 wave dipole Vertical 2 SMA male To be connected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada IHF 242 Joymax 1 4 wave dipole Vertical 2 dBi 82 5 mm MCX male To be connected via U FL to MCX adapter cable Not to be used with modular approval in the US and Canada Version 1 13 2008 09 22 Part Number Name IH 151 Manufacture Joymax Type 1 2 wave dipole Polarization Vertical Gain 5 Size 196 mm Connector SMA male Comment To be connected via the U FL to SMA adapter cable Approval Not to be used with modular approval in the US and Canada Version 1 13 2008 09 Part Number Name Manufacture Type Polarization Gain Size xH Connector Comment Approval Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval
19. ector is only available on the CB OWSPA311gx 02 04 2 1 6 J5 Auxiliary External Antenna Connector J5 is the auxiliary external antenna connector It is used only for receiving and if the unit is con figured for diversity mode The unit never transmits RF through this antenna connector The port impedance to match is 500 Table 5 Signals on J5 J5 Pin Name Signal Type Description Pin Nr Level 1 AntAux RF Auxiliary external antenna port 500 Note this connector is only available on the CB OWSPA311gx 02 040 2 1 7 J8 Connector Description Tabel 6 Signals on J8 J8 Pin Name Signal Type Description Pin Nr Level 1 VSS OV Power Ground 0 V 2 VDD 3 3V Power Supply voltage 3 3 5 5 VDC 3 UART TxD CMOS Out Transmit Data 4 UART RXD CMOS In Receive Data 5 UART CTS CMOS In Hardware flow control Clear To Send 6 UART RTS CMOS Out Hardware flow control Request To Send 1 UART signals are CMOS logic level 0 3 V lt VI lt 0 9 V 2 1 V lt VI lt 3 3 V Version 1 13 2008 09 12 2 1 8 J6 Solder Lands Description Table 7 Signals on J6 J6 Pin Name Signal Type Description Pin Nr Level 1 RESETn CMOS In Active low Must be driven by open drain collector 2 UART DSR CMOS In Data Set Ready 3 VSS Ground Power Ground 0 V 4 VDD 3 3V Power Supply voltage 3 3 5 5 VDC 5 UART DTR CMOS Out Data Terminal Ready 6 RED Mode CMOS OOut n RED Red LED control signal low level 2 LED on Outp
20. esistors for use at 5V power supply with the Everlight EL67 23SRVGUBC RGB LED The LM339 LM2901 is a widely available Quad 4x Low Cost Low Power Comparator IC compatible with 2 36VDC single supply logic This example for 5V supply is compatible with the voltage drop of a blue LED Always connect a comparator output to a module 1 0 via a serial resistor Do NOT force module l O pins to GND or supply voltage in order to avoid excessive current flow Switch 1 1k BCS47B 10K Optional filter cap are needed Directly replacing the transistor with the switch Figure 32 A complete 5V host interface with operational amplifier Version 1 13 2008 09 46
21. flashes see section A 2 3 1 DTR signal can be set to indicate an active WLAN link For more information see Serial Port Adapter AT command Speci fication Version 1 13 2008 09 4 Antenna Information There are 2 different antenna options available e An internal surface mounted SMD antenna e Two external U FL antenna connectors See section 5 1 for more information on antenna placement This chapter gives an overview of the qualities of the different antenna options 4 1 Surface Mounted Antenna internal The unit cannot be mounted a metal shielded enclosure with this antenna Part Number OWSPA311gi Antenna name FRO5 01 N Manufacture Fractus Polarization Linear Gain Typ 1 1 dBi Antenna Size 6 7 x 6 7 x 1 mm LxWxH Comment The antenna gain is dependent of the mounting of the module See section 5 5 for mounting the module considering the antenna Version 1 13 2008 09 4 2 External Antennas The external antennas are connected to the board via a U FL connector Some of the antennas are connected directly to the U FL connector of the board and some are connected using an SMA connected through a short U FL to SMA adapter cable Note Antennas with SMA connectors are not approved for use in USA or Canada due to FCC regulations 4 2 1 Antenna Accessories Part Number cB ACC 18 Name U FL to SMA adapter cable Connector U FL and SMA female Cable length 120 mm Cable loss Less than 0 5dB
22. he threaded M2 holes on the single and double row connectors see section 5 2 1 are not aligned The outer tangents of the 2 3mm holes align the module if the single row connectors are used and the inner if double row connectors are used see Figure 9 Choose the outer tangent CC distance 27 24mm if the module is aligned and mounted with some other technique based on M2 screws e g press fit nuts see Figure 10 92 00 nnector ge M2 holes ASP 11 8579 01 0 ue Threadec Me 2 x Mounting hole OEMSPA 2 30 Figure 9 The 2 3mm mounting holes mm Version 1 13 2008 09 27 5 2 Using the J2 J3 Board to Board Connectors The board to board connector should be a 1mm pitch one piece part connector The recom mended manufacture is Samtec with many connector options available see section 5 2 1 1 Chapter 2 contains more information about the connector and the electrical interface 5 2 1 Suitable One Piece Part Connectors 5 2 1 1 Double row ASP 118580 01 ASP 118581 01 Connectors This connector is a double row connector and connects both J2 and J3 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 OWSPA module The connector is also available with a height of 6 0mm and 10 0mm The FSI 120 serie from Samtec There are alignment pins on the bottom side of the connector The connector is available with M2 threaded inserts
23. ion EN 60950 1 A11 2004 Corrigendum 2004 23 03 2007 Malm Sweden i Mats Andersson CTO of connectBlue AB If a cB OWSPA31 1g i x is used within EU a notification may be necessary to 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 More information at Atto europa eu int comnmventerprise rtte gener htm Version 1 13 2008 09 32 7 2 C and FCC Compliance for OWSPA311g See Table 1 for information about the different product variants 7 2 1 IC Compliance Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause un desired operation This device has been designed to operate with an antenna having a maximum gain of 9dBi Having a higher gain is strictly prohibited per regulations of Industry Canada The required an tenna impedance is 50 ohms To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropic radiated power EIRP is not more than that required for successful communication The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess
24. m Comment The SMA connector can be mounted in a panel Approval Not to be used with modular approval in the US and Canada 4 2 2 Antennas Part Number Name NanoBlue IPOA Manufacture CENTURION Type Patch antenna Polarization Vertical Gain 2 dBi Size 48 x 13x 1 mm Connector U FL IPEX Comment To be connected to the PCB U FL connector Approval Approved for use in the US and Canada Version 1 13 2008 09 19 Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval cB ACC 27 WCR 2400 IP04 Centurion 1 2 wave dipole Vertical 2 0dBi 108 mm Straight U FL IPEX To be connected to the PCB U FL connector Approved for use in the US and Canada 16 WCR 2400 SMA Centurion 1 2 wave dipole Vertical 2dBi 100 mm SMA male To be connected via the U FL to SMA adapter cable Not to be used with modular approval in the US and Canada Version 1 13 2008 09 20 Part Number Name Manufacture Type Polarization Gain Size OxH Mounting Cable length Connector Other info Comment Approval Part Number Name Manufacture Type Polarization Gain Size Connector Comment Approval cB ACC 17 Reel planTec Blue tooth m70 Reel Patch Linear 1dBi 75 x 20 mm M16 x 13 6 mm 3 m SMA male Waterproof IP67 To be conn
25. medical devices used in proximity to this device meet appropriate susceptibility specifications for this type of RF energy 8 5 Potentially Explosive Atmospheres Turn off your electronic device before entering an area with potentially explosive atmosphere It is rare but your electronic device could generate sparks Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death Areas with a potentially explosive atmosphere are often but not always clearly marked They include fuelling areas such as petrol station below deck on boats fuel or chemical transfer or storage facilities and areas where the air contains chemicals or particles such as grain dust or metal powders 8 6 Safety Compliance In order to fulfill the safety standard EN 60950 1 2001 the OWSPA311g must be supplied by a class 2 Limited Power Source 8 6 1 Power Supply e Connect your power supply only to designated power sources as marked on the product e Make sure all cords and cable are positioned so that they will not be stepped on tripped over or otherwise subject to damage or stress e reduce risk of electric shock unplug the unit from any power source before attempting to clean it Version 1 13 2008 09 37 Appendix A Application Notes Usually only a subset of the available functionality is of interest to the designer In addition de pending on the host system the electrical interface can be designed
26. nctionality See Figure 18 for an example on how to use the pin There are two important notes blue LED requires about 3 5V forward voltage drop cannot be used in a 3 3V system Version 1 13 2008 09 41 The BLUE signal can be used to detect if the module is connected or not The BLUE signal flashes when the module is sending and receiving data see Chapter 3 Table 13 See Figure 19 for an example on how to suppress the flashes tB OWSPA 5V Host System LED current Am 5 Figure 18 blue LED be connected directly the module if the LED current is below 4 high state active low makes the voltage drop over the LED to 2 2V This is not enough to light the LED cB OWSPA SY Host System LED current 4mA 54 Logic Input Figure 19 A Low pass filter and a 74HC08 suppress the flashes when the module is sending and receiving data The Blue LED can be removed if not required The values are not suited in all applications and need to be verified in a specific application A 2 3 2 RED Signal The RED logic LED signal is not multiplexed with any other functionality See Figure 20 for a 3 3V design In a 5V system the high state output 2 9V from the module is not enough to turn off the LED so a 4HCTO8 buffer can be used to raise the high level to 5V see Figure 21 The 7A4HCTOS8 gate is available in a single gate package 74AHCT1G08 Version 1 13 2008 09 42 aY System
27. nd J3 Connector Description Optional e Via the JST connector J8 see Figure 4 Primary side connectors The connector is a 6 poles pin header The pitch is 1mm and the connector is from JST with part number SM06B SRSS TB For more information see section J8 Connector Description Figure 2 Primary side of the PCB Figure 3 Secondary side of the PCB Version 1 13 2008 09 2 1 Pin Numbering 2 1 1 Primary side connectors J8 is the JST connector located on the primary side of the module A1 is the internal antenna J4 and J5 are U FL connectors for external antennas J4 is the primary antenna connector and J5 the auxiliary antenna connector Figure 4 Primary side connectors 2 1 2 Secondary side connectors J2 and J3 is the connectBlue board to board connector The pin layout of the connector is com patible with all OEM Serial Port Adapters from connectBlue The J6 is the solder land connector Figure 5 Secondary side connectors Version 1 13 2008 09 9 2 1 3 J2 Connector Description Table 2 Signals on J2 J2 Pin Name Signal Type Description Pin Nr Level 15 2 VSS Ground Power Ground 0 V 3 4 VDD 3 3V Power Supply voltage 3 3 5 5 VDC 5 10 Reserved do not 11 RED Mode CMOS Out n RED Red LED control signal low level LED on Output Not valid until 500ms after power up Mode Not applicable to OWSPA311g 12 Switch 0 CMOS In Switch O control signal active lo
28. of Health Canada limits for the general population con sult Safety Code 6 obtainable from Health Canada s website www hc sc gc ca rpb 7 2 2 FCC Statement for OWSPA311g This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the re ceiver is connected Consult the
29. out the integrated ra dio module is NOT allowed Version 1 13 2008 09 34 7 3 UL Listing Information If a customer intends to UL list a product including the OWSPA311g based on the PCB cB 0908 02 this information is useful The printed circuit board if produced according to the following specification e UL recognized ZPMV2 min 130 C flame class V O or better 7 4 Compliance with RoHS directive The OWSPA311g are produced according to the RoHS Restriction of the use of certain Hazard ous Substances in electrical and electronic equipment directive and complies with the directive Version 1 13 2008 09 35 8 Guidelines for Efficient and Safe Use 8 1 General Read this information before using your OWSPA311g module For any exceptions due to national requirements or limitations when using your OWSPA311g module please contact connectBlue AB Note Changes or modifications to the product not expressly approved by connectBlue AB will void the user s authority to operate the equipment 8 2 Product Care e not expose your product to liquid or moisture e Do not expose you product to extreme hot or cold temperature see Section 2 2 3 for further information e not expose your product to lit candles cigarettes cigars open flames etc e not drop throw or try to bend your product since rough treatment could damage your product e not attempt to disassemble your product Doing so will void warran
30. s are not used Version 1 13 2008 09 28 13 00 10 00 36 00 For alignment 4 38 Figure 10 Host PCB layout mm for double row connector 5 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 10 and are manufactured by PEM Fasten ing Systems www pemnet com part no KFS2 M2 see Figure 11 Be careful with the distance between the nuts regarding alignment Figure 11 KFS2 M2 press fit nut It is recommended to use spacers between the two PCB s when press fit nuts are used 5 4 Using the J6 PCB Solder Pads 5 4 1 Host PCB In order to avoid short circuit with traces vias on the module the host PCB footprint should not contain any traces or vias under the module except the pads interfacing the J6 pads The host pads which are soldered to the J6 pads should reach 0 5 1 0mm under the PCB and some mm outside the module No other pads than the J6 should be soldered to the host PCB For detailed information about the signals present on the solder lands See section J6 Solder Lands Description Version 1 13 2008 09 29 5 4 2 Mounting process 5 5 We strongly recommend the modules not being soldered more than 1 time after ship ping from connectBlue and that the modules are mounted just before the host product is being soldered the last time Although connectBlue de
31. source must be open drain The RESETn pin is internally pulled up to 1 5V with a resulting impedance of 5kQ It is recommended to decouple the RESETn pin externally with a 10nF capacitor 2 5 Power Control The OWSPA Module can be put in one of three power modes Online mode Minimum latency maximum throughput 2 6 V 4 mA 5 pF 28 V 3 14 M Value 40 125 30 85 Value 3 8 4 0 Unit ue e oC gS Unit Sleep mode power saving The adapter is held in low power mode and only listens and responds to beacons Stop mode Maximum power save The device is incapable of transmitting data AT commands are available for fine tuning specific power consumption parameters Version 1 13 2008 09 3 Operating Status The OWSPA311g module can be in different modes see the Serial Port Adapter AT command Specification for more information about the modes and the RED GREEN and BLUE signals can be used to detect or indicating the status see Table 13 The LED signals are active LOW Table 13 Signal states in different module modes Serial Port Adapter Mode Status RGB LED GREEN Color GPIO Data mode IDLE Green LOW AT mode IDLE Orange LOW Data mode AT mode CONNECTING Purple HIGH Data mode AT mode CONNECTED Blue HIGH BLUE GPIO HIGH HIGH LOW LOW RED GPIO HIGH LOW LOW HIGH On data activity the active LEDs flashes and will be HIGH for 50 100ms For information on how to suppress the
32. st system see Figure 15 for a 3 3V host system and Figure 16 for a 5V host system cB OWSPA 5V Host System CB OWSPA i 33 Host System i UART_RxD 100 i UART1 TxD i UART RxD UART1 RxD i UART_TxD 7 4HCT08 J w UARTI RxD ne 7 4HCT08 UART_TxD UART_CTS 2 9 0 5 UARTI RTS mm UART1 CTS UART_CTS UART1 CTS UART_RTS UART_RTS SSE UART_DSR i i 74HCTOS 100 UART1I DTR UART_DSR C UART1 DSR x mm 100 UART1 DSR UART vCC 3V3 Figure 15 A complete UART interface with Figure 16 A complete UART interface with a 5V 3 3V host system host system Version 1 13 2008 09 40 2 2 2 External RS232 driver An external RS232 driver is needed if the module should have a RS232 serial interface See Figure 17 for a complete design example that could be connected to the serial port of standard PC Pins providing functionality not used can be left unconnected cB OWSGPA 3V3 host System with RS232 Driver 3 3 R5232 Tranceiver Logic levels R8232 T IN1 T OUTI T T T 4 T DS5uhb 8 Female T T T lt 1 s Swap the Rx Tx RTSICTS and DTRIDSR signals ifa male connectoris used UART CTS UART RxD UART RTS UART DSR voc 3V3 on on Figure 17 A complete RS232 interface A 2 3 LED and Switch Design A 2 3 1 BLUE Signal The BLUE logic LED signal is not multiplexed with any other fu
33. tion 18 4 1 Surface Mounted Antenna 18 4 2 External AnDtenmas a a pd 19 5 Mounting Information 26 5 1 Module DIMENSIONS cette ees avec e ated 26 5 2 Using the J2 J3 Board to Board Connectors 28 5 3 Using Press Fit Nuts for Mounting the Module 29 5 4 Using the J6 PCB Solder 29 5 5 Antenna ISSUES 2235422325328155 22 45 a 30 6 WLAN Information 31 6 1 General MOMNANON 31 7 Regulatory Information 32 7 1 Declaration of Conformity ssec 32 7 2 IC and FCC Compliance for 19 33 7 3 EISUAGMMIOFMALION 35 7 4 Compliance with RoHS directive 35 8 Guidelines for Efficient and Safe Use 36 8 1 General Rc REN 36 8 2 Produc Care EE 36 8 3 Radio Frequency Exposure 36 8 4 Electronic Equipment ced a 37 8 5 Potentially Explosive 37 8 6 Salety GOMPNANCS tle ovre 37 Appendix
34. ty The product does not contain consumer serviceable or replaceable components Service should only be performed by connectBlue AB e not paint your product as the paint could prevent normal use e f you will not be using your product for a while store it in a place that is dry free from damp dust and extreme heat and cold e clearance and creepage distances required by the end product must be withheld when the module is installed e The cooling of the end product shall not negatively be influenced by the installation of the module when the module is installed 8 3 Radio Frequency Exposure The OWSPA311g module contains a small radio transmitter and receiver During communication with other WLAN products the OWSPA311g module receives and transmits radio frequency RF electromagnetic fields microwaves in the frequency range 2400 to 2480 MHz The output power of the radio transmitter is very low When using the OWSPA311g module you will be exposed to some of the transmitted RF energy This exposure is well below the prescribed limits in all national and international RF safety standards and regulations Version 1 13 2008 09 36 8 4 Electronic Equipment Most modern electronic equipment for example in hospitals and cars is shielded from RF energy However certain electronic equipment is not Therefore Note This equipment emits RF energy in the ISM Industrial Scientific Medical band Please insure that all
35. uipped with voltage regulators Table 9 Current consumption Symbol Power Mode State Value IDD Q VDD Reset pin low Average E Peak Sleep mode Idle Average Connected dtim 5 Average Connected dtim 1 Average Transmitting Average Online mode Idle Average Connected Average Transmitting Average Stop mode Idle Average 2 2 2 Input Output signals Table 10 Input output signals Symbol Parameter Value V Low Logic LOW level input voltage on all logic Min Max V High Logic HIGH level input voltage Min Max Vs LOW Logic LOW level output voltage Max Version 1 13 2008 09 3 3 D 0 40 400 4 0 4 8 7 4 130 4 0 143 143 0 57 0 3 0 8 2 0 3 3 0 4 Unit Unit mA mA mA mA mA mA mA mA mA mA Unit lt lt lt lt Vou High Logic HIGH level output voltage Min em Sink and source current Max NN Input capacitance Typ Minas Lower Power on reset threshold voltage Upper Power on reset threshold voltage 2 2 3 Environmental Table 11 Temperatures characteristics Parameter Product Variant Storage temperature Min cB OWSPA311g Max cB OWSPA311g Operating temperature Min cB OWSPA311g Max cB OWSPA311g 2 3 Mechanical Table 12 Mechanical characteristics Parameter Product Variant Weight Typ cB OWSPA311gi 04 Typ cB OWSPAS3119x 04 2 4 Hardware Reset A hardware reset input RESETn is available on connector J3 and J6 see section 2 1 An exter nal reset
36. ut Not valid until 500ms after power up Mode Not applicable to OWSPA311g J GREEN CMOS Out In GREEN Switch 1 Green LED control signal low level 2 LED on Output Not valid until 500ms after power up Switch 1 If this pin is pulled down during power up the unit reverts to default serial settings The Restore Default input is only active during the first 500ms after power up See the Serial Port Adapter AT command Specification for more information on the Restore switch 8 BLUE CMOS Out Blue LED control signal low level 2 LED on Output Not valid until 500ms after power up Note Signal will flicker during data transmission 9 UART TxD CMOS Out Transmit Data 10 UART RxD CMOS In Receive Data 11 UART CTS CMOS In Hardware flow control Clear To Send 12 UART RTS CMOS Out Hardware flow control Request To Send 13 PRI CMOS In Bluetooth co existence interface Bluetooth high priority traffic indicator 14 BT CMOS In Bluetooth co existence interface Bluetooth arbitration signal 15 WL CMOS Out Bluetooth co existence interface WLAN arbitration signal Version 1 13 2008 09 13 J6 Pin Nr 16 17 28 29 30 31 32 Pin Name RX INDE Switch 0 SerialSelect 1 SerialSelect 0 Signal Level CMOS CMOS CMOS CMOS Type Out Out Out Description Bluetooth co existence interface WLAN receive indicator Reserved do not connect Switch
37. vices will withstand to two reflows to an absolute maximum temperature of 250 C The PCB in our modules is made of FR4 type with Chemical Gold Pads The modules are produced in a lead free process with a lead free soldering paste It is recommended that the customers make their own electrical climate stress and vi bration tests on the final assembled product to secure that the manufacturing process hasn t damaged or affected the OWSPA module in any way The modules can be delivered on trays or individually packed in ESD bags with label on each module The label will not withstand the heat of soldering and should be removed before processed The modules delivered in trays will not have individual label only batch labels on the tray Modules delivered on trays are classed with MSL Class 3 The device recommended maximum reflow temperature is 245 for 10 sec The device absolute maximum reflow temperature is 250 for 3 sec Antenna Issues The unit cannot be mounted arbitrary because of the radio communication A unit with an in ternal surface mounted antenna cB OWSPA31 1gi cannot be mounted in a metal enclosure No metal enclosure or plastics using metal flakes should be used also avoid metallic based paint or lacquer There must be a keep out volume 10 mm in each direction around the antenna free from PCB traces PCB vias components or other conducting material If a metal enclosure is required one of the external
38. w This signal activates the Connect on external signal function See the Serial Port Adapter AT command speci fication for more information 13 GREEN CMOS Out n GREEN Switch 1 Green LED control signal low level 2 LED on Output Not valid until 500ms after power up Switch 1 If this pin is pulled down during power up the unit reverts to default serial settings The Restore Default input is only active during the first 500ms after power up See the Serial Port Adapter AT command Specification for more information on the Restore switch 14 BLUE CMOS Out Blue LED control signal low level 2 LED on Output Not valid until 500ms after power up Note Signal will flicker during data transmission 15 UART CTS CMOS In Hardware flow control Clear To Send 16 UART TXD CMOS Out Transmit Data 17 UART RTS CMOS Out Hardware flow control Request To Send 18 UART RXD CMOS In Receive Data 19 UART DTR CMOS Out Data Terminal Ready 20 UART DSR CMOS In Data Set Ready 1 To remain compatible please check the datasheet for other connectBlue products using this pin 2 Signals are CMOS logic level 0 3 V lt V lt 0 8 V 2 lt V lt 3 3 V 3 The ESD performance will be improved if this signal is decoupled with a 10 nF capacitor to MSS 4 Choose a pull down resistor in the interval 1KO lt R lt 4 7kQ observe this is different to previous product generations from connectBlue Version 1 13 2
39. with 2 external antennas and JST connector Version 1 13 2008 09 Picture 2 cB OWSPA311gi 06 OWSPA module with internal antenna and JST connector 1 5 Block Diagram OWSPA311g Coaxial connectors J4 and J5 are only available on x versions eXternal antenna Internal antenna A1 is only available on i versions Internal antenna BGW211 WLAN SiP 0 10000 Boot mode select e 4 Mbit FlasH memory koX K amp K X X e Crystal Crystal 1 L 40MHz 32768Hz 10 0 5 amp lt i a LPC2106FHN48 Crystal 22 1184 MHz E 4 1 n M J2 J3 LI 16 header compression pads PCB edge solder lands Figure 1 Block diagram of OWSPA311g Version 1 13 2008 09 2 Electrical Interface and Connectors This section describes the signals available on the module interface connectors There are three ways of connecting to the OWSPA Module e Via the PCB solder lands on the edge of the PCB J6 see Figure 5 Secondary side con nectors For more information see Section J6 Solder Lands Description e Via the 2 x 20 pin 1mm pitch board to board one piece part connectors J2 and J3 The J2 and J3 connectors exist on the OWSPA module only as compression pads see Figure 5 Secondary side connectors These pads mates with the carrier board one piece part connector For more information see Section J2 Connector Description a
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