Class 2 Bluetooth Data Micro Module
Contents
1. 1 2009 Radio Datacom www radiodatacom com Page 10 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Example Hardware Interface Connections Radio Datacom modules provide UART SPI and PIO hardware interfaces This section illustrates a typical implementation and does not consider all cases Our engineers are available to review designs and answer any other design questions Contact our engineering department directly by email support radiodatacom com COMPUTER MAX3225 BLUETOOTH MICROPROCESSOR DB 9 MALE DB 9 FEMALE LEVEL SHIFTER DATA MODULE FORCE OFF 3V3 10UF INVALID GND UART_RXD mee lt J T1 OUT UART_TXD UART_RTS Z Lae res Lr Ban PRSE 5 ril UART TXD ie 3 gt R2IN UART_RXD UART CTS lt J T2 OUT UART_RTS Cie Ci C2 C2 UART connection with level shifting Vesien ANTENNA CIRCUIT TO MANUFACTURER SPEC VDD AIO 0 dg RSET EXAMPLE UART CTS UART CTS OUTPUT LED UART RTS UART RTS UART RXD UART RXD rm EXAMPLE i INPUT BUTTON UART TXD UART TXD SPI MOSI SPI MISO TEST POINTS Example KC22 module schematic 2009 Radio Datacom www radiodatacom com Page 11 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Pre Qualifications Bluetooth The KC22 is registered with and licensed by Bluetooth SIG as a qualified design Qualification Design ID B015017 Bluetooth Version 2 1 EDR Qualified Profiles BB DUN GAP2. OEM specific parameters and settings can be easily loaded into these modules Our kcSerial embedded firmware provides an easy to use AT style command interface over UART kcSerial is capable of storing OEM default settings and is upgradable over UART kcSerial also provides remote control capability where our AT commands can be issued remotely from any other Bluetooth device using SPP Custom firmware is available For Audio applications Radio Datacom recommends our KC5290 Class 2 Bluetooth Audio Module 2009 Radio Datacom www radiodatacom com Page 1 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Standard Bluetooth Data Profiles The Radio Datacom KC22 data modules comes standard with kcSerial which includes support for DUN Dial up Networking Profile and SPP Serial Port Profile DUN Dial up Networking Profile DUN provides a standard to access the Internet and other dial up services over Bluetooth technology The most common scenario is accessing the Internet from a laptop by using your mobile phone as a wireless dial up modem SPP Serial Port Profile The SPP is a very popular widely used profile for transmitting data in place of a serial cable SPP defines how to set up virtual serial ports and connect two Bluetooth enabled devices A scenario would be using two devices such as PCs or laptops as virtual serial ports and then connecting the two devices via Bluetooth technology Available Bluetoot
3. AT KC SPPDisconnect 2009 Radio Datacom Configuration Commands AT KC AllowBonding AT KC Build AT KC ChangeBaud AT KC ChangeDefaultBaud AT KC COD AT KC DeepSleep AT KC DeepSleepBlocking AT KC DefaultLocalName AT KC DefaultPinCode AT KC DeleteSmartCable AT KC DisableBond AT KC DisconnectNotice AT KC EnableBond AT KC EraseBondTable AT KC FactoryReset AT KC Help AT KC HostEvent www radiodatacom com IndicatorActivity IndicatorCPU IndicatorConnection LocalName SaveSettings Security ShowSettings SmartCableSetup SmartCableReset UpdateInquiryScan UpdatePageScan Verbose Version Page 8 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Hardware Interfaces SPI Interface The SPI pins are available for firmware loading and supported by the CSR Software Development Kit UART Interface The UART is compatible with the 16450 industry standard Four signals are provided with the UART interface The TXD and RXD pins are used for data while the CTS and RTS pins are used for flow control The UART pins operate at TTL voltage level and must be translated to higher RS 232 voltage levels for communicating with PC hosts A Maxim 3225 series or similar translator is recommend It is highly recommended that UART pins are available for external connection DB 9 connector or test points to allow firmware reinstallation or updates Firmware Command and Contr
4. HCI L2CAP LM RFCOMM SDP SPP Usage of Bluetooth registered trademarks must be licensed directly from Bluetooth SIG A no cost membership is currently offered for trademark usage and a no cost Bluetooth product listings are currently offered for products containing our pre qualified Bluetooth modules FCC The KC22 is registered with and granted limited modular approval by the Federal Communications Commission The KC22 meets the conducted and radiated emission requirements of the FCC Code of Federal Regulations Title 47 Part 15 Subpart C Section 15 247 for Bluetooth spread spectrum transmitters The following external antenna solutions are suggested and will comply with our FCC equipment grant Johanson 2450AT18B100E Johanson 2450AT43A100E Antenova Rufa 3030A5839 01 wave monopole wire With a written agreement Original Equipment Manufacturers may use our FCC ID transmitter license The following FCC ID must be visible on the exterior of final the product FCC ID 2242 CE The KC22 complies with the following EMC Directives EN 300 328 V1 6 1 2004 11 Final approval pending Industry Canada IC Warning Statement The device s user manual does not contain the following or equivalent statement as per RSS GEN section 7 1 5 Operation of this device is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause u
5. Radio Datacom Firmware Features e Wireless Data Communications Subsystem e Embedded Bluetooth Serial Port Profile SPP e Easy To Use AT Command Interface Using UART e OEM Programmable Configuration e Remote Command And Control e Multipoint Piconet Capable e Custom Firmware Available Hardware Features e CSRBlueCore 4 Ext Chipset e Bluetooth v2 1 EDR e 2 4GHz Class 2 Radio e Range Typically Exceeds 20m e High Speed Data Rate Up To 3Mbps e 4 Digital Programmable I O Pins e 1Analog Programmable I O Pins e UART amp SPI Interfaces e External Antenna Port e 8Mbit Flash Memory Description KC22 lass 2 Bluetooth Data Micro Module 13 4mm x 11 3nm CBluetooth X FE CE w oHS Applications Bluetooth Serial Cable Replacement Bluetooth Data Cable Replacement Bluetooth Advertising Bluetooth RFID Tag Readers Bluetooth Digital Cameras Bluetooth Digital Picture Frames Bluetooth Hand Held Bar Code Readers Bluetooth Medical Monitoring Bluetooth Credit Card Readers Many many more The KC22 data modules are pre engineered pre qualified and highly tuned surface mount PCB modules that provide fully embedded ready to use Bluetooth wireless technology Multi surface pads provide both bottom pads for high volume reflow soldering and edge pads for low volume hand soldering The KC22 offers reprogrammable embedded firmware for serial cable replacement deploying the Bluetooth Serial Port Profile SPP
6. acom com Page 9 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Application Notes e Highly recommend test points for all four SPI pins for emergency factory debugging and firmware loading e UART 5 wire serial TXD RXD CTS RTS GND RS232 hardware flow control is enabled in firmware by default Recommend connections to all four UART pins for RS232 connections or at least test points for firmware upgrades e UART optional 3 wire serial TXD RXD GND Pull up CTS pin to override hardware flow control setting e UART interfaces are 3V3 TTL A voltage level shifter is required when interfacing to PC standard RS232 ports e Power supply to module should have less than 10mVrms noise between 0 10MHz and spikes should be minimal e Regulator should have a fast response time lt 20us It is essential that the power rail recover quickly e 10uF or larger capacitor filter for VDD input e All unused pins should be unconnected e The area around the antenna should be free of any ground planes power planes trace routings wire harnesses or metal Minimum clearance is 5mm but additional clearance allows improved range and throughput e Donotclean modules with Alcohol which can interact with no clean solder flux residue e Donot use ultra sonic cleaning which may cause internal interconnect damage e We recommend providing our preferred factory programming interface for all devices 2 54 MM HEADER PROGRAM INTERFACE
7. h Data Profiles KC22 is capable of supporting each of these standard profiles Contact Radio Datacom for customization options AVRCP Audio Video Remote Control Profile AVRCP is designed to provide a standard interface to control TVs hi fi equipment or others to allow a single remote control or other device to control all the A V equipment to which a user has access It may be used in concert with A2DP or VDP BIP Basic Imaging Profile BIP defines how an imaging device can be remotely controlled how an imaging device may print as well as how an imaging device can transfer images to a storage device BIP also includes the ability to resize and convert images to make them suitable for the receiving device BPP Basic Printing Profile BPP allows devices to send text emails vCards images or other items to printers based on print jobs Prints emails images vCard vCalendar text messages and plain or formatted text from devices like a mobile phone or PDA toa printer CTP Cordless Telephone Profile Used for either a dedicated cordless phone or a mobile phone that acts as a cordless phone when in proximity to a base station implementing the CTP FTP File Transfer Profile FTP defines how folders and files on a server device can be browsed by a client device Once a file or location is found by the client a file can be pulled from the server to the client or pushed from the client to the server using GOEP A typical scenario
8. ions KC22 Top View KC22 Landing Pattern dimensions in mm dimensions in mm 13 41 P 15 29 1 f 1 14 f GND 7G 0 94 0 71 150 0 76 0 74 or PIO1 2 1 55 1 30 POO 19 Tiu mmi 70 25 11 28 JU 0 oz2zZ uU aA Bou o r e a E o M o Bel o n w A 4 gt i4 ao m x S 3 oa yoo S z S 2 9 4 gt 4 gt lt gt e gt aa S o S oo m o Ke on 2009 Radio Datacom www radiodatacom com Page 4 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Pin Assignment vo roaramnabieinpifoupitiGer imran vo PrearannabieinpufoupuetGas era wo Prosman noona id we rosaman noaoo wm LL e I NEN wes vo ebsegemmsbempauma OO uu pin features shown in brackets 2009 Radio Datacom www radiodatacom com Page 5 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Electrical Characteristics Conditions VDD 3 3V and 25 C Absolute Maximum Ratings Storage temperature range Supply voltage VDD Recommended Operating Conditions Temperature Range Supply Voltage VDD 3 3V Recommended 2009 Radio Datacom www radiodatacom com Page 6 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module R Electrical Characteristics Cont Current Consumption ACL Data 115Kbps Data Transfer Master ACL Data 115Kbps Data Tra
9. ndesired operation of the device IC ID 8193A BTMODULECL2 Final approval pending SAR SAR compliant 2009 Radio Datacom www radiodatacom com Page 12 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Ordering Information Product Series KC22 Product Version 6 0 Country of Manufacture USA Order Part Number Description KC22 Class 2 Bluetooth Data Micro Module w kcSerial Standard Firmware KC22 FW Class 2 Bluetooth Data Micro Module w Custom Firmware Datasheet Version Version Changes Dec 15 2009 Original release Radio Datacom LLC 9601 N 16th Street Phoenix Arizona 85028 602 235 0350 Phone www radiodatacom com sales radiodatacom com While every care has been taken to ensure the accuracy of the contents of this document Radio Datacom cannot accept responsibility for any errors Radio Datacom reserves the right to make technical changes to its products as part of its continuous development program Radio Datacom s products are not authorized for use in life support or safety critical applications 2009 Radio Datacom www radiodatacom com Page 13 of 13
10. nsfer Slave Connection No Data Traffic Master Connection No Data Traffic Slave Peak current Sniff Mode 40ms sniff Master Sniff Mode 40ms sniff Slave 2009 Radio Datacom www radiodatacom com Page 7 of 13 Radio Datacom R Firmware Interface KC22 Class 2 Bluetooth Data Micro Module The KC22 offers our powerful kcSerial firmware interface using the UART which provides an easy to use AT style text command interface The firmware interface allows persistent storage of configuration parameters such as device name default baud rate security PIN and automatic connection settings Additionally kcSerial provides operational commands such as discovery connections security read write commands for I O pins and our remote command mode offering this same programming interface on the linked remote device as well The kcSerial 2 4 firmware is compatible with kcSerial 2 2 firmware used on previous versions of KC22 modules Several new commands are available offering greater control over features and settings Please refer to our kcSerial User Guide for additional information kcSerial v2 4 AT Command List Operation Commands AT KC Bond AT KC Bypass AT KC DisableBond AT KC Discovery AT KC DunConnect AT KC DunDisconnect AT KC ExitSniff AT KC GPIOConfig AT KC GPIORead AT KC GPIOWrite AT KC HCImode AT KC RemoteCommand AT KC RemoteCmdDisconnect AT KC Reset AT KC Sniff AT KC SPPConnect
11. ol KC22 modules can be connected to PC or MCU hosts using the UART interface The kcSerial firmware on the KC22 module provides an easy to use AT style command interface using simple text commands and parameters Please refer to our kcSerial User Guide for additional information PIO Interface Pins PIO pins are read and write enabled via kcSerial commands Inputs can be configured for weak pull up weak pull down strong pull up strong pull down Voltage input tolerance and output level is directly related to the VDD level AlO Interface Pins AIO O0 can be enabled for analog input or output providing 8 bit samples at rates up to 50 samples sec Analog pins are 1 8V logic for input mode and 3 3V logic for output mode AIO pins can be configured for output mode sending clock signals of 8 16 24 or 48 MHz AIO pin usage must be custom programmed by Radio Datacom for desired operation Antenna Port The KC22 module already contains a balun filter onboard so the antenna port only requires a standard 2 4 GHz RF transmission line with a 50 ohm load Design the antenna circuit according to the antenna manufacturer guidelines Some designs may only need the chip antenna itself A few recommended chip antennas Johanson 2450AT18B100E Johanson 2450AT43A100E or Antenova Rufa A5839 For PCB transmission line design we recommend the following online calculator http www emclabinfo com emc calc microstrip htm 2009 Radio Datacom www radiodat
12. pointment between two mobile phones or a mobile phone and a PC PAN Personal Area Networking Profile PAN describes how two or more Bluetooth enabled devices can form an ad hoc network and how the same mechanism can be used to access a remote network through a network access point SDAP Service Discovery Application Profile SDAP describes how an application should use SDP to discover services on a remote device It illustrates several approaches to managing the device discovery via Inquiry and Inquiry Scan and service discovery via SDP The ideas contained in the SDAP specification augment the basic specifications provided in GAP SDP and the basic processes of device discovery The use cases for SDAP are intended to encompass the majority of service discovery scenarios associated with all profiles and devices SYNC Synchronization Profile The SYNC profile is used in conjunction with GOEP to enable synchronization of calendar and address information personal information manager PIM items between Bluetooth enabled devices VDP Video Distribution Profile VDP defines how a Bluetooth enabled device streams video over Bluetooth wireless technology Sample use cases include the streaming of a stored video from a PC media center to a portable player or streaming from a digital video camera to a TV 2009 Radio Datacom www radiodatacom com Page 3 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module Physical Dimens
13. would be transferring files wirelessly between two PCs or laptops or browsing and retrieving files on a server 2009 Radio Datacom www radiodatacom com Page 2 of 13 Radio KC22 Datacom Class 2 Bluetooth Data Micro Module GAVDP General Audio Video Distribution Profile GAVDP provides the basis for A2DP and VDP the basis of the systems designed for distributing video and audio streams using Bluetooth technology A typical scenario is a set of wireless stereo headphones and a music player such as an MP3 player or Walkman The music player sends messages to the headphones to establish a connection or adjust the stream of music or visa versa GEOP Generic Object Exchange Profile GOEP is used to transfer an object from one device to another A simple scenario would be using Bluetooth technology to send information like files vCards vCalendars and images between your mobile phone or PDA and a PC HID Human Interface Device Profile The HID profile defines the protocols procedures and features to be used by Bluetooth HID such as keyboards pointing devices gaming devices and remote monitoring devices The most common usage would be your wireless desktop keyboard mouse etc OPP Object Push Profile OPP defines the roles of push server and push client These roles are analogous to and must interoperate with the server and client device roles that GOEP defines An example scenario would be the exchange of a contact or ap
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