BTM875/CSR8675 bluetooth stereo SPDIF optical I2S/aptx-hd/ldac Bluetooth 5.0 audio module

BTM875/CSR8675 Bluetooth stereo SPDIF optical fiber I2S/aptx-hd/ldac.                                                                                                  Bluetooth 5.0 audio module BTM875-B Bluetooth audio module, using CSR8675 chip, built-in 16M FLASH.                                        Support SBC/AAC/APTX/APTX-LL/APTX-HD/LDAC aptx, aptx-ll, aptx-hd, Ldac, the sound quality is better!

Audio output mode description:                                                          1. Audio output mode selection:                                                         1: I2S digital + differential analog audio output,                               2; SPDIF digital + differential analog audio output                             3: Only support digital output, LDAC model without differential analog output! :                                                                                       4: Support LDAC models in aptxhd and ldac formats at the same time! (Choose one from four, internal firmware is different)           General software program description: Bluetooth name: CSR8675

1. Boot method: Power on at the rising edge of MFB, power off at the falling edge (after MFB is powered on, it can pull up to power on) Automatically enter the back-to-connect after booting, and automatically enter the pairing mode if the back-connect fails LDAC software program description: Bluetooth name: CSR8675-LDAC

1. Boot method: Power on at the rising edge of MFB, power off at the falling edge (after MFB is powered on, it can pull up to power on) Automatically enter the back-to-connect after booting, and automatically enter the pairing mode if the back-connect fails

2. Support USB and Bluetooth mode, Bluetooth priority (Bluetooth no audio playback automatically switches to USB mode), does not support the call function USB sound card parameters: 16bit/44.1k/48k (here is only USB sampling rate, not Bluetooth mode, Bluetooth ldac is 96K).