RDA5981x1 Mini Dev. Board R1

Description

• Based on RDA5981xA Module (8Mbit) Module.
• On Board USB-TTL CH340 USB Debugger.
• On board one power LED (not necessary because same to module power led).
• A switch can switch USB port to CH340 debugger or to output of module USB bus interface.
• Lead out all pins, please see attached image. I2S pins breakout again on bottom, connect via network resistor.
• Back side SD card interface, tested by default demo code.
• Back side SO8 SOC IC reserved footprint, support
  • SPI Flash (which don’t have demo code, didn’t test), CS pin on IO5
  • SPI Interface CS pin IO5
  • PSRAM tested by default demo code, CS pin IO 23, change by jumper.
• More functions are not yet tested so far, any feedback please let us know.
• More documentation please see wiki page.