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raspberry:sound_card [2018/08/03 13:16]
admin [Sound Card for the Raspberry Pi] 		raspberry:sound_card [2020/02/06 19:58]
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-===== Sound Card for the Raspberry Pi =====+===== PiFi DAC - A Sound Card for the Raspberry Pi =====
  
-The PiFi DAC+ is a cheap Chinese clone of the HiFi Berry made by [[http://ukonline2000.com/?p=471|ukonline2000]]. It's based on the I2S digital audio converter (DAC) chip [[http://www.ti.com/lit/ds/symlink/pcm5122.pdf|PCM5122]].\\+{{:raspberry:foto_pifi_dac_2018-08-03.jpg?600|}}\\ 
 + 
 +The PiFi DAC+ is a cheap Chinese clone of the HiFi Berry DAC+ Standard made by [[http://ukonline2000.com/?p=471|ukonline2000]]. It's based on the I2S digital audio converter (DAC) chip [[http://www.ti.com/lit/ds/symlink/pcm5122.pdf|PCM5122]].\\
 The drivers are already included in the kernel, to activate them check:\\ The drivers are already included in the kernel, to activate them check:\\
   * for the 3.12 kernel [[https://www.hifiberry.com/build/documentation/hifiberry-software-configuration/]]   * for the 3.12 kernel [[https://www.hifiberry.com/build/documentation/hifiberry-software-configuration/]]
   * for the 4.x kernel [[https://www.hifiberry.com/build/documentation/configuring-linux-3-18-x/]].\\   * for the 4.x kernel [[https://www.hifiberry.com/build/documentation/configuring-linux-3-18-x/]].\\
  
-**The company recommend not to use earphones directly** it's not supported.\\ +It's recommended **not to use earphones directly** - no headphone amp is build in.\\ 
-==== use of GPIOs ====+ 
 +---- 
 +==== Use of GPIOs ====
 The following GPIOs are used for the Sound Card:\\ The following GPIOs are used for the Sound Card:\\
 For configuration over I2C:\\ For configuration over I2C:\\
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 And as the sound interface over I2S:\\ And as the sound interface over I2S:\\
 GPIO18 (PCM CLK), GPIO19 (PCM FS), GPIO20 (PCM D-IN), GPIO21 (D-OUT).\\ GPIO18 (PCM CLK), GPIO19 (PCM FS), GPIO20 (PCM D-IN), GPIO21 (D-OUT).\\
 +PCM stands for Pulse-Code Modulation.\\
  
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