BLK-MD-BC05-B Bluetooth Module SPECIFICATION Page of 7
. Description BLK-MD-BC05-B is the latest generation of Bolutek s stereo bluetooth modules. It provides the highest level of integration with integrated.4ghz radio, battery Charger, stereo codec and antenna ready to hit mono and stereo audio applications. BLK-MD-BC05-B is also completely ready to support the latest Bluetooth. + EDR Standard.. Key Features Bluetooth. + EDR compliant Bluetooth solution for mono and stereo audio solutions Integrated DSP, stereo codec and battery charger Class range up to 30 meters Industrial temperature range from -40 to +85 Low power consumption Supported Bluetooth profiles : HFP, ADP, AVRCP 3. Applications High quality stereo headsets High quality mono headsets Bluetooth speakers Page of 7
4. Pin Definition 5. Pin Function Described Pin NO. Pin definition Input / Output Pin a description of VSS Ground pot PIO_4 Bi-Directional Programmable input/output line 3 PIO_5 Bi-Directional Programmable input/output line 4 RST CMOS input Internal pull-up Reset if low 5 SPI_MOSI CMOS input Serial peripheral interface data input 6 SPI_CLK CMOS input Serial peripheral interface data clock 7 SPI_CSB CMOS input Chip select for serial peripheral interface, Actine low 8 SPI_MISO CMOS input Serial peripheral interface data Output 9 RLED Output Pick up Red led, instructions, bluetooth related working state Page 3 of 7
0 BLED Output Pick up Blue led, instructions, bluetooth related working state VREG Input MFB V 8 Output.8V output 3 Input Lithium battery interface 4 VCHG Input Charging interface 5 VSS Ground pot 6 MIC_BIAS Output The microphone power output terminal 7 MIC_RP Input The Right channel microphone input the difference 8 MIC_RN Input The Right channel microphone input the difference negative 9 MIC_LP Input The Left channel microphone input the difference 0 MIC_LN Input The Left channel microphone input the difference negative VSS Ground pot SPK_RN Output The Right channel audio differential Output the negative 3 SPK_RP Output The right channel audio differential Output is terminal 4 SPK_LN Output The left channel audio differential output Is negative 5 SPK_LP Output The left channel audio differential output Is terminal 6 PIO_3 Bi-Directional Programmable input/output line 7 PIO_ Bi-Directional Programmable input/output line 8 PIO_ Bi-Directional Programmable input/output line 9 PIO_9 Bi-Directional Programmable input/output line 30 Bi-Directional Ground pot 6. Electrical Characteristic. Recommend Using Conditions Operating Conditions Minimum Typical value Maximum Unit Operating temperature -40-85 Current peak 0-50 ma +3.0 +3.7 +4.5 V Page 4 of 7
. Stereo Encoder Parameter Condition Minimum Typical Ma Xim um Unit Resolution - - 6 Bits Input Sample Rate, Sample 8-44. KHz Fin = Khz 8KHz - 79 - db Signal to Noise Radio, SNR(a) B/W = 0Hz- 0KHz.05KHz - 77 - db A-Weighted 6KHz - 76 - db THD+N<%.050KHz - 76 - db 50m Vpk-pk 3KHz - 75 - db 44.KHz - 75 - db Digital Gain Digital Gain Resolution =/3dB -4 -.5 db Analogue Gain Analogue Gain Resolution =3dB - - 4 db Input full scale at maximum gain (differential) - 4 - mv Input full scale at maximum gain (differential) - 800 - mv 3dB Bandwidth - 0 - KHZ Microphone made input impedance - 6 - Ω THD+N(microphone input @ 30mV rms input - 0.04 - % (a)improved SNR performance can be achieved at the expense of current consumption.see Optimizing BlueCore5-Multimedia ADC Performance Application Note details. 3. Stereo Decoder Parameter Condition Minimum Typical MaXimum Unit Resolution - - 6 Bits Input Sample 8-48 KHz 8KHz - 95 - db.05-95 - db Signal to Noise Radio, SNR Fin=Khz B/W=0Hz- 0KHz A-Weighted 3KTHD + N <0.0% 6KH - 95 - db.050-95 - db H - 95 - db 44.KH - 95 - db Digital Gain Digital Gain -4 -.5 - db Analogue Gain Analogue Gain 0 - - - db Output voltage full-scale swing(differential)(a) - 750 - mv Page 5 of 7
Allow load Resistive 6(8) - O.C Ω Allow load Capactive - - 500 pf THD+N 00KΩ load - - 0.0 % THD+N 6Ω load - - 0. % SNR ( Load =6Ω, 0dBFS input relative to digital Silence ) - 95 - db (a)any combination of gain (digital and/or analogue)and input signal which results in the output signal level exceeding the minimum or maximum signal level (analogue or digital)could result in distortion. 7. Buttons That Pin Function Mode of Explain PIO3 PIO PIO stop Play Disconnect Reconnect Volume UP Volume down Click quick convert Click quick convert Hold key to keep at Least seconds Hold key to keep at Least seconds Click or continuous hold Click or continuous hold PIO4 FWD Quick click PIO9 PREV Quick click In the state of play, control the remote bluetooth audio source suspend play In the pause state, control the remote bluetooth audio source start playing In the connection state, disconnect and remote bluetooth audio source equipment of In the disconnect state,to establish a bluetooth audio equipment and remote Continuous on increasing the volume (local volume control levels 3 adjustable) default volume level : 5 Continuous hold down the volume diminishing (local volume control levels 3 adjustable) Control the remote play a song under bluetooth audio source Remote bluetooth audio source control on a play music Note : Only in audio stream start state, to receive a stereo bluetooth audio source remote audio stream; similarly, only in remote control start state, to realize the remote control of the player bluetooth audio source. Any one party does not have AVRCP agreement, is impossible to realize the remote control function. Page 6 of 7
8. Typical Application Circuit FWD RED BLUE C5 PWR BAT R58 0K R60 0K R6 390 R63 47 R64 0K C53 C44 04 C54 3 4 5 6 7 8 9 0 3 4 5 BLK-MD-BC05-B PIO_4 PIO_9 PIO_5 RST SPI_MOSI SPI_CLK SPI_CSB SPI_MISO RLED PIO_ PIO_ PIO_3 SPK_LP SPK_LN SPK_RP SPK_RN BLED V-REG MIC_L N.8V(OUT) V CHG MIC_L P MIC_RN MIC_RP 30 9 8 7 6 5 4 3 0 9 8 7 6 R55 0K R56 0K R59 0K R6 0K SPKLP SPKLN SPKRP SPKRN BACK VOL+ VOL- PLAY C39 05 C45 05 C46 05 R57 K R65 K L C40 C4 5N L 5N L3 C47 C49 5N C4 C43 C48 C50 MICL C5 05 L4 5N MICR 참고사항 : 본제품은 Program 이 mask 되어있는 version 입니다.( Mask Version ) 페어링하여사용하기 PWR SWITCH 를약 초간누른다 --- 스마트폰에서블루투스를설정한다 --- 스마트폰에서기기선택을헤드셋으로한다.---- BLK-MD-BC05 을선택한다. Page 7 of 7