Smart Electronics CSR8645 Bluetooth 4.0 Low-Power Audio Module Supports High-Quality Lossless Compression Speaker Amplifier Board
Smart Electronics CSR8645 Bluetooth 4.0 Low-Power Audio Module Supports High-Quality Lossless Compression Speaker Amplifier Board
The main control chip CSR8645 stereo audio module can make calls. The headset can be connected to 2 mobile phones at the same time. CSR has better sound quality. BLE 4.0, good wall penetration effect, APT-x high sound quality transmission.
1. Keys: There are a total of 6 function keys: POWER-EN, PLAY, VOL+, VOL -, PREV, NEXT.
The introduction of button functions is as follows
POWER-EN: When using a switch control module to turn on or off the machine, by turning the switch,
when POWER-EN is connected to BAT, the module will turn on
When POWEREN disconnects BAT, the module shuts down and is typically used for battery power.
When using module power on, simply connect the POWER-EN series 10K resistor to the BAT to achieve
module power on, which is usually used when external power is supplied. PLAY: Play/pause (short press),
answer/hang up the phone (long press, slightly longer time), pair again (long press)
VOL+: Volume increase
VOL -: Volume reduction
PREV: Previous track
NEXT: Next track
2. LED: the match state, double flashing alternately, paired, single lamp flicker;
3. USB card function (for USB sound card function please specify);
4. AUX-IN switching function;
5. 3.2V low battery alarm, automatic shutdown (3.0V, the realization of the AMS1117 power supply);
6. the maximum charge current is set to 250MA, full of the light out,
lit another lamp (personal recommendations with charging module, fast);
7. no connection has been in a match;
8. can also connect the 2 Mobile phone;
9. EN audio amplifier control pin, when in the silent, after a period of time, the output low;
when playing, the output high level (1.8V).
If this product doesn't meet your expectations, please also communicate with
us as we believe our expertise can assist you!
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SHENZHEN SMART ELECTRONICS CO.,LTD.
No.403 , Shangshuijing Complex Bldg, Jihua Rd, Longgang District, Shenzhen
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PH/Fax : 86-755-83877216
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