Laird BT830, Hardware Integration Manual

Page 1: ...tooth v4 0 Dual Mode UART HCI Module BT830 Hardware Integration Guide HIG Version 0 1 PRELIMINARY Americas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com bluetooth ...

Page 2: ...n 0 1 PRELIMINARY Americas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com bluetooth 2 CONN GUIDE BT830 PRELIMINARY REVISION HISTORY Revision Date Changes 0 1 26 March 2014 Initial preliminary version ...

Page 3: ...6 8 8 PCM Slave Timing 18 8 9 PCM Slave Mode Timing Parameters 18 8 10 PCM_CLK and PCM_SYNC Generation 20 8 11 PCM Configuration 20 8 12 Digital Audio Interface I S 20 9 Power Supply and Regulation 23 9 1 Voltage Regulator Enable and Reset 23 9 2 Power Sequencing 24 10 Antenna Performance 24 11 Mechanical Dimensions and Land Pattern 26 11 1 BT830 Mechanical Drawing 26 12 Implementation Note 27 12 ...

Page 4: ...odules are ideal for applications where designers need high performance in minimal size For maximum flexibility in systems integration the modules are designed to support a UART interface plus GPIO and additionally I2S and PCM audio interfaces These modules present an HCI interface and have native support for Windows and Linux Bluetooth software stacks All BT830 series devices are fully qualified ...

Page 5: ... I2S and UART interfaces Up to four general purpose I Os are available for general use such as Wi Fi coexistence or general indicators Note The purpose of the SPI interface is to access the module s inner settings such as selecting different WLAN CO EXIST scheme and enabling HID proxy mode The SPI interface can also be used to put the module in RF test mode You cannot use the module over the SPI i...

Page 6: ... 3 3V configurable by VDD_PADS Operational Modes HCI Host Controller Interface over UART Coexistence 802 11 Wi Fi 3 wire CSR schemes supported Unity 3 Unity 3e and Unity Supply Voltage Supply 3 3V 10 Note See Implementation Note for details on different DC power selections on the BT830 Power Consumption Current Idle Mode TBD mA Master ACL link No traffic File Transfer TBD mA Master ACL link Transm...

Page 7: ...idirectional tristate with weak internal pullup VDD_PADS UART request to send active low 7 GND GND Ground 8 VREG_EN_RST Input with strong internal pull down VDD_PADS Take high to enable internal regulators Also acts as active low reset Maximum voltage is VDD_PADS 9 VREG_IN_HV Analogue regulator input 3 3V Input to internal high voltage regulator 10 VREG_OUT_HV Analogue regulator input output 1 8V ...

Page 8: ...state with weak internal pull down VDD_PADS Programmable input output line and 32kHz sleep clock input 25 PIO1 BT_ACTIVE Bidirectional tri state with weak internal pull down VDD_PADS Programmable input output line Wi Fi BT 3 wire coexistance 26 PIO9 BT_PRIORITY Bidirectional tri state with weak internal pull down VDD_PADS Programmable input output line Wi Fi BT 3 wire coexistance 27 PIO4 WLAN_ACTI...

Page 9: ..._IN_HV 2 3 4 8 V VREG_OUT_HV 1 75 1 95 V VDD_PADS 1 2 3 6 V VREG_EN_RST VDD_PADS VDD_PADS V Table 5 High voltage Linear Regulator Normal Operation Min Typ Max Unit Input voltage VREG_IN_HV 3 1 3 3 3 6 V Output voltage VREG_OUT_HV 1 75 1 85 1 95 V Temperature coefficient 200 200 ppm C Output noise frequency range 100Hz to100kHz 0 4 mV rms Settling time settling time within 10 of final value 5 µs Ou...

Page 10: ... 0 5 0 pF Table 7 Current Consumption Normal Operation Peak 7 dBm AVG Unit Idle 4 3 mA Inquiry 891 µA File Transfer 73 58 mA LE Connected Master 74 mA LE Scan Master 48 mA 7 RF CHARACTERISTICS Table 8 Receiver Characteristics RF Characteristics VDD 3 3V room temperature unless otherwise specified Min Typ Max BT Spec Unit Maximum RF Transmit Power 7 8 20 dBm RF power variation over temperature rang...

Page 11: ...ACE 8 1 PIO See the Device Terminal Functions section for the list of supplies to the PIOs Programmable I O ports PIO lines are configured through software to have either weak or strong pull ups or pull downs All PIO lines are configured as inputs with weak pull downs at reset and have additional individual bus keeper configuration 8 2 WLAN Coexistence Interface Dedicated hardware is provided to i...

Page 12: ...te using a standard PC an accelerated serial port adapter card is required for the PC 8 4 PCM Interface The audio PCM interface on the BT830 supports Continuous transmission and reception of PCM encoded audio data over Bluetooth Processor overhead reduction through hardware support for continual transmission and reception of PCM data A bidirectional digital audio interface that routes directly int...

Page 13: ...th 8 bit Companded Sample Long Frame Sync is the name given to a clocking format that controls the transfer of PCM data words or samples In Long Frame Sync the rising edge of PCM_SYNC indicates the start of the PCM word When the BT830 is configured as PCM master generating PCM_SYNC and PCM_CLK then PCM_SYNC is eight bits long When the BT830 is configured as PCM Slave PCM_SYNC is from one cycle PCM...

Page 14: ...le long Figure 5 Short Frame Sync Shown with 16 bit Sample As with Long Frame Sync BT830 samples PCM_IN on the falling edge of PCM_CLK and transmits PCM_OUT on the rising edge PCM_OUT is configurable as high impedance on the falling edge of PCM_CLK in the LSB position or on the rising edge 8 4 4 Multi Slot Operation More than 1 SCO connection over the PCM interface is supported using multiple slot...

Page 15: ...the rising edge of PCM_SYNC and runs at 8 kHz 8 6 Slots and Sample Formats BT830 receives and transmits on any selection of the first four slots following each sync pulse Slot durations are either 8 or 16 clock cycles 8 clock cycles for 8 bit sample formats 16 clock cycles for 8 bit 13 bit or 16 bit sample formats BT830 supports 13 bit linear 16 bit linear and 8 bit µ law or A law sample formats A...

Page 16: ...Frequency selection is programmable 128 kHz 256 512 48MHz DDS generation Frequency selection is programmable 2 9 kHz PCM_SYNC frequency for SCO connection 8 kHz tmclkh a PCM_CLK high 4MHz DDS generation 980 ns tmclkl a PCM_CLK low 4MHz DDS generation 730 ns PCM_CLK jitter 48MHz DDS generation 21 ns pk pk tdmclksynch Delay time from PCM_CLK high to PCM_SYNC high 4MHz DDS generation 20 ns 48MHz DDS ...

Page 17: ...es when system clock speeds are reduced Table 11 PCM Master Mode Timing Parameters Symbol Parameter Min Typ Max Unit tdmclkhsyncl Delay time from PCM_CLK high to PCM_SYNC low 4MHz DDS generation 20 ns 48MHz DDS generation 40 83 ns tdmclklpoutz Delay time from PCM_CLK low to PCM_OUT high impedance 20 ns tdmclkhpoutz Delay time from PCM_CLK high to PCM_OUT high impedance 20 ns tsupinclkl Set up time...

Page 18: ... tsclkh PCM_CLK high time 200 ns 8 9 PCM Slave Mode Timing Parameters Symbol Parameter Min Typ Max Unit thsclksynch Hold time from PCM_CLK low to PCM_SYNC high 2 ns tsusclksynch Set up time for PCM_SYNC high to PCM_CLK low 20 ns tdpout Delay time from PCM_SYNC or PCM_CLK whichever is later to valid PCM_OUT data long frame sync only 15 ns tdsclkhpout Delay time from CLK high to PCM_OUT valid data 1...

Page 19: ...0 1 PRELIMINARY Americas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com bluetooth 19 CONN GUIDE BT830 PRELIMINARY Figure 11 PCM Slave Timing Long Frame Sync Figure 12 PCM Slave Timing Short Frame Sync ...

Page 20: ... 48MHz Clock Set the frequency of PCM_SYNC relative to PCM_CLK using Equation 8 2 Equation 8 2 PCM_SYNC Frequency Relative to PCM_CLK CNT_RATE CNT_LIMIT and SYNC_LIMIT are set using PSKEY_PCM_LOW_JITTER_CONFIG As an example to generate PCM_CLK at 512kHz with PCM_SYNC at 8kHz set SKEY_PCM_LOW_JITTER_CONFIG to 0x08080177 8 11 PCM Configuration Configure the PCM by using PSKEY_PCM_CONFIG32 and PSKEY_...

Page 21: ...audio interface using PSKEY_DIGITAL_AUDIO_CONFIG see BlueCore Audio API Specification and the PS Key file Figure 13 PCM Configuration The internal representation of audio samples within BT830is 16 bit and data on SD_OUT is limited to 16 bit per channel Table 13 Digital Audio Interface Slave Timing Symbol Parameter Min Typ Max Unit SCK Frequency 6 2 MHz WS Frequency 96 kHz tch SCK high time 80 ns t...

Page 22: ...valid delay time 20 ns tisu SD_IN valid to SCK high set up time 20 ns tih SCK high to SD_IN invalid hold time 2 5 ns Figure 14 Digital Audio Interface Slave Timing Table 15 Digital Audio Interface Master Timing Symbol Parameter Min Typ Max Unit SCK Frequency 6 2 MHz WS Frequency 96 kHz Table 16 I S Master Mode Timing Parameters WS and SCK as Outputs Symbol Parameter Min Typ Max Unit tspd SCK low t...

Page 23: ...e and Reset A single pin VREG_EN_RST controls both the High voltage linear regulator enables and the digital reset function The VREG_EN_RST pin remains active controlling the reset function if the HV linear regulator is not used so the pin must be driven high to take the device out of reset The regulator is enabled by taking the VREG_EN_RST pin above 1V The regulator can also be controlled by the ...

Page 24: ...ommends that all power supplies are powered at the same time The order of powering the supplies relative to the I O supply VDD_PADS to VREG_IN_HV or VREG_OUT_HV is not important 10 ANTENNA PERFORMANCE Table 17 displays antenna performance for this module Table 17 Gain table Unit in dBi 2 44 GHz XY plane XZ plane YZ plane Efficiency Peak Avg Peak Avg Peak Avg A1 3 5 4 2 3 8 5 3 3 2 4 7 41 0 Figure ...

Page 25: ... 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com bluetooth 25 CONN GUIDE BT830 PRELIMINARY Figure 17 XY plane XY plane Peak Avg 3 5 4 2 Figure 18 XZ plane XZ plane Peak Avg 3 8 5 3 Figure 19 YZ plane YZ plane Peak Avg 3 2 4 7 ...

Page 26: ...cas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com bluetooth 26 CONN GUIDE BT830 PRELIMINARY 11 MECHANICAL DIMENSIONS AND LAND PATTERN 11 1 BT830 Mechanical Drawing Note Dimensions are in mm Tolerances xx 0 03 mm x 1 3 mm ...

Page 27: ...st PCB preferably in the corner with the antenna facing the corner A different host PCB thickness dielectric will have small effect on antenna Figure 20 Recommend Antenna keep out area in White used on the BT830 12 1 1 Antenna Keep out and Proximity to Metal or Plastic Checklist for metal plastic enclosure Minimum safe distance for metals without seriously compromising the antenna tuning is 40 mm ...

Page 28: ...ST to turn on the internal regulator 13 APPLICATION NOTE FOR SURFACE MOUNT MODULES 13 1 Introduction Laird surface mount modules are designed to conform to all major manufacturing guidelines This application note is intended to provide additional guidance beyond the information that is presented in the user manual This application note is considered a living document and is updated as new informat...

Page 29: ...portant During reflow modules should not be above 260 and not for more than 30 seconds Figure 13 22 Recommended Reflow Temperature Temperatures should not exceed the minimums or maximums presented in Table 18 Table 18 Recommended Maximum and minimum temperatures Specification Value Unit Temperature Inc Dec Rate max 1 3 C Sec Temperature Decrease rate goal 2 4 C Sec Soak Temp Increase rate goal 5 1...

Page 30: ...ost device into which the BT830 is integrated The transmitter module is not co located with any other transmitter or antenna that is capable of simultaneous operation As long as the conditions above are met further transmitter testing is typically not required However the OEM integrator is still responsible for testing its end product for any additional compliance requirements required with this m...

Page 31: ...compliance could void the user s authority to operate this equipment 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 IMPORTANT NOTE FCC Radiation Exposure Statement This equipment c...

Page 32: ...é nécessaire à l établissement d une communication satisfaisante This device complies with Industry Canada license exempt RSS standard s Operation 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 undesired operation of the device Le présent appareil est conforme aux CNR d Industr...

Page 33: ... efficient use of the radio frequency spectrum EN 300 328 V1 8 1 2012 06 Declaration We Laird declare under our sole responsibility that the essential radio test suites have been carried out and that the above product to which this declaration relates is in conformity with all the applicable essential requirements of Article 3 of the EU Directive 1999 5 EC when used for its intended purpose Place ...

Page 34: ... assumes that the member is simply combining two subsystems to create a new design without any modification to the existing qualified subsystems This is achieved by using the Listing interface on the Bluetooth SIG website Figure 23 shows the basic subsystem combination of a controller and host subsystem The Controller provides the RF BB LM and HCI layers with the Host providing L2CAP SDP GAP RFCOM...

Page 35: ...nter the Declaration IDs of each subsystem used in the End Product design You can then select your pre paid Declaration ID from the drop down menu or go to the Purchase Declaration ID page please note that unless the Declaration ID is pre paid or purchased with a credit card it will not be possible to proceed until the SIG invoice is paid Once all the relevant sections of step 1 are finished compl...

Page 36: ...ictly prohibited All brands and product names in this publication are registered trademarks or trademarks of their respective holders This material is preliminary Information furnished by Laird Technologies in this specification is believed to be accurate Devices sold by Laird Technologies are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only Laird T...

Page 37: ...ipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This device complies with Part 15 of the FCC Ru...

Page 38: ...another transmitter then the FCC authorization is no longer considered valid and the FCC ID can not be used on the final product In these circumstances the OEM integrator will be responsible for re evaluating the end product including the transmitter and obtaining a separate FCC authorization End Product Labeling The final end product must be labeled in a visible area with the following Contains F...

Page 39: ...ent Radiation Exposure Statement The product comply with the Canada portable RF exposure limit set forth for an uncontrolled environment and are safe for intended operation as described in this manual The further RF exposure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lower output power if such function is available Déclaration d ...

Page 40: ...ditions can not be met for example certain laptop configurations or co location with another transmitter then the Canada authorization is no longer considered valid and the IC ID can not be used on the final product In these circumstances the OEM integrator will be responsible for re evaluating the end product including the transmitter and obtaining a separate Canada authorization NOTE IMPORTANTE ...

Page 41: ...ude all required regulatory information warning as show in this manual Manuel d information à l utilisateur final L intégrateur OEM doit être conscient de ne pas fournir des informations à l utilisateur final quant à la façon d installer ou de supprimer ce module RF dans le manuel de l utilisateur du produit final qui intègre ce module Le manuel de l utilisateur final doit inclure toutes les infor...

Page 42: ...prohibited for use with this device Le présent émetteur radio IC 3147A BT830 a été approuvé par Industrie Canada pour fonctionner avec les types d antenne énumérés ci dessous et ayant un gain admissible maximal et l impédance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est supérieur au gain maximal indiqué sont strictement interdits pour l exp...