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Soyo Technology Co.                Bluetooth Module SOYO-BT24G03

Simultaneously   LED   twinkles   between   blue   and   green.
After pairing successfully Blue LED twinkles. 

6.1.3   Mode Key

       

       

Press PWR KEY to power on, get at Bluetooth mode by

default. Press Mode Key to be at Micro SD Controller mode
(Green LED twinkles). Press Mode Key again to be at FM
Radio  mode  (Green  LED twinkles). Press  Mode  Key next
time   to   be   at   Line   In   mode   (Green   LED   twinkles).Press
Mode Key  next time  to be  back  at Bluetooth Mode  and
loop. Each time after changing the mode, speaker plays
corresponding   indicating   voice   and   LEDs   twinkle
accordingly.   When   plugging   in   line   input,   it   interrupts
current   mode   automatically   and   changes   it   into   LINE-IN
mode. Then you can switch modes by pressing mode key.

At Bluetooth mode if no Bluetooth device is connected within 5 minutes, it shut
off automatically to save the battery. Press PWRKEY to restart if needed.             

6.1.4  Prev / Vol-(Previous music/Previous broadcast/Volume
down)

6.1.4.1   Previous music at the micro SD and Bluetooth mode 
6.1.4.2   Previous broadcast at the FM mode
6.1.4.3   Invalid at LINE IN mode           

6.1.4.4       Holding   down   for   over   2   seconds,   volume   decreases.  There   will   be

“dudu” indicating voice when minimum volume. (Apply to all modes)

6.1.5  Next/Vol+(Next music/Next broadcast/Volume up)

6.1.5.1   Next music at the micro SD and Bluetooth mode           
6.1.5.2   Next broadcast at the FM mode  
6.1.5.3   Invalid at LINE IN mode  

6.1.5.4    Holding down for over 2 seconds, volume increases. There will be 

“dudu” indicating voice when maximum volume. (Apply to all modes)

6.1.6  Play/Pause(Play/Pause

Accept

Dial

Hang up)

6.1.6.1   Play/Pause

Accept

Dial

Hang up at Bluetooth mode. After pairing 

completed, hold down for over 3 seconds or press twice consecutively to
dial last number. Handling the call, press to accept; hold down for over 3
seconds to reject. Press in the call to hang up. 

6.1.6.2

  Play/Pause at micro SD mode.

6.1.6.3   FM Mode

   Hold down for over 3 seconds to auto-search. (Starting from the lowest
at FM frequency range, green LED flashing) It auto-save the broadcasts
and   continue.   The   first-saved   broadcasts   will   be   played   after   auto-
searching.  You can press PLAY/PAUSE Key to control FM radio to pause
and start again. Auto-search broadcasts when first time at FM mode after
Device programming. 

6.1.6.4   Play/Pause at Line In mode.

6.1.7  CH(Pairing)

6.1.7.1 Press to pair and abolish pairing.

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Summary of Contents for BT24G03

Page 1: ...ser s Manual of 3rd Generation Bluetooth Module Product Name 3rd Generation Bluetooth Module Model SOYO BT24G03 Date 2014 09 08 Edition Version1 0 Soyo Technology Development Co Ltd All rights reserve...

Page 2: ...6 1 1 Module Power up Starting up at 3 7 4 2V or USB power up 5 6 1 2 PWRKEY 5 6 1 3 Mode Key 5 6 1 4 Prev Vol Previous music Previous broadcast Volume down 5 6 1 5 Next Vol Next music Next broadcast...

Page 3: ...e track or stereo output Bluetooth stereo headset Micro SD Reader Bluetooth Dialer Bluetooth Speaker etc 3 Functions 3 1 Framework 3 2 Functions Description 1 Support MP3 WMA WAV SBC 2 Bluetooth Stere...

Page 4: ...ower Meet Class2 and Class3 Max 7dbm Voltage 3 4 4 2V Starting up 3 7 4 2V Current Normal Working 60mA Standby 35mA Micro SD Working 41mA Micro SD Standby 24mA FM Working 68mA FM Standby 59mA AUX IN W...

Page 5: ...Ground 7 V_PAD 2 98V Output 8 SDAT1 Micro SD Data Line 9 SDAT0 Micro SD Data Line 10 SSD_CLK Micro SD Clock 11 SSD_CMD Micro SD Communication 12 SDAT3 Micro SD Data Line 13 SDAT2 Micro SD Data Line 1...

Page 6: ...In Left 33 LINE_IN_R Line In Right 34 AU_HPL Audio Single Track Left 35 AU_HPR Audio Single Track Right 36 AU_MIC_N MIC Input Negative 37 AU_MIC_P MIC Input Positive 38 AGND Analog Ground 39 FM_ANT F...

Page 7: ...NE IN mode 6 1 4 4 Holding down for over 2 seconds volume decreases There will be dudu indicating voice when minimum volume Apply to all modes 6 1 5 Next Vol Next music Next broadcast Volume up 6 1 5...

Page 8: ...Soyo Technology Co Bluetooth Module SOYO BT24G03 6 1 8 RESET KEY Reset Software reset when system halted Press PWR Key to restart 7 Module Diagram and Dimensional Drawing 7 1 1 Dimensional Drawing 6...

Page 9: ...Soyo Technology Co Bluetooth Module SOYO BT24G03 7 1 2 Module Image 7 1 3 Pins Drawing 8 Reference Applications 7...

Page 10: ...Soyo Technology Co Bluetooth Module SOYO BT24G03 8...

Page 11: ...atrix keypad 18 GPIO_21 KEYIN4 Default BT_LED output low electrical level valid compound matrix keypad 17 GPIO_8 KEYOUT4 Default LED1 output low electrical level valid compound matrix keypad 1 GPIO_3...

Page 12: ...en antenna function It is forbidden to place ground or wire under Bluetooth antenna 2 Metal component such as battery and chip should not overlap antenna Module antenna is supposed to be placed at the...

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