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C-Media CM712 User Manual

Audio dsp&codec hub system

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CM712x
Low Power Audio DSP&CODEC Hub System
CM712x Audio DSP& & & & CODEC Hub
System
User Guide
Dec. 18, 2017
www.cmedia.com.tw
Rev. 1.0 ︱ Page 1/7
Copyright © C-Media Electronics Inc.

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Summary of Contents for C-Media CM712

  • Page 1 CM712x Low Power Audio DSP&CODEC Hub System CM712x Audio DSP& & & & CODEC Hub System User Guide Dec. 18, 2017 www.cmedia.com.tw Rev. 1.0 ︱ Page 1/7 Copyright © C-Media Electronics Inc.
  • Page 2 CM712x Low Power Audio DSP&CODEC Hub System 1. Connect the USB audio control board and CM712X Demo Board www.cmedia.com.tw Rev. 1.0 ︱ Page 2/7 Copyright © C-Media Electronics Inc.
  • Page 3 CM712x Low Power Audio DSP&CODEC Hub System 2. Definition of the pin header (a).Ground pins (b).Main Function www.cmedia.com.tw Rev. 1.0 ︱ Page 3/7 Copyright © C-Media Electronics Inc.
  • Page 4 J102 (BCLK1 signal from J91, connect pin1 to pin2, align left) J101 (LRCK1 signal from J91, connect pin1 to pin2, align left) J2 (connect 1.8V power, please insert a jumper) www.cmedia.com.tw Rev. 1.0 ︱ Page 4/7 Copyright © C-Media Electronics Inc.
  • Page 5 J47 (MONOVDD 3.3V power, please insert a jumper) Notes: J103 (MCLK selection: Connect pin 3 to pin 4, the signal is from the oscillator (12.288MHZ) of CM7120 PCB board. www.cmedia.com.tw Rev. 1.0 ︱ Page 5/7 Copyright © C-Media Electronics Inc.
  • Page 6 CM712x Low Power Audio DSP&CODEC Hub System 3. Especial Attention Control: : : : a).J55(SEL1_MODE),J117(SEL2_MODE) SEL2_MODE SEL1_MODE I2C Control High Flash Boot High SPI Control HIgh High SLIMBUS Control www.cmedia.com.tw Rev. 1.0 ︱ Page 6/7 Copyright © C-Media Electronics Inc.
  • Page 7 Low Power Audio DSP&CODEC Hub System b).J53 of DBVDD should be connected to 3.3V, Because DBVDD is also shared with the pin 8 of U11A(W25Q16JV Flash),this pin is needed 3.0~3.6V power。 www.cmedia.com.tw Rev. 1.0 ︱ Page 7/7 Copyright © C-Media Electronics Inc.