Bluetooth Audio CSRA64215 I2S Breakout Board [Version]

Description

Module can be found here.

Basic breakout on left:

• On Board output pins from front left to right:
  • I2S interface: DATA, BCK, LRCK
  • Power interface: VDD, GND
  • Analog audio interface: OUT_R+, OUT_R-, OUT_L+, OUT_L-

• Two type firmware for selection:
  • I2S version – pin to pin match our I2S DAC codec module
  • Analog output version – Need to connect to external amilifier
  • Can use our programmer to re-flash firmware.
• On board two bluetooth status LEDs, default defined by factory firmware.
• On board regulator 5V-3.3V for on board system.
• On board delay boot circuit, which is needed by CSRA64215.
• On board back side programmer interface, notice module pin not yet soldered for this.
• Schematic available here.

Brasic breakout + Amplifier on right:

• Based on basic version, added TI TPA6132 headphone stereo amplifier, can directly play to headphone, also can connect to amplifier.
• Pin definition please see attached image. Notice two indicator LEDs already are on board.
• Directly single-end AUX output, you can find a 3F07 or similar audio jack to play it.

Documentation please see wiki page.

Additional information