for use with x1300 x630  
  x1300-a2 I2S audio accessory board  
     
 
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       hardware overview          
     
 
       required hardware  
 
   1   

X1300/X630 HDMI to CSI modue x1

    2   

X1300-A2 I2S audio accessory board x1

  
   3   

Raspberry Pi 5B/4B/3B+/3B x1

    4   

USB-C Power Supply x1

  
   5    micro-SD card (≥16GB) x1          
     
 
       hardware description  
   
  Raspberry Pi GPIO used  
 
PIN# GPIO Functions
12 GPIO18   BCK - I2S audio interface for HDMI sound capture
35 GPIO19   LRCK - I2S audio interface for HDMI sound capture
37 GPIO20   DIN- I2S audio interface for HDMI sound capture
29 GPIO05   HDMI cable detect -output high (3.3V)
31 GPIO06    CSI bridge chip interrupt output - active high
32 GPIO012   CSI bridge chip reset - active high
 
         
 
       hardware installation  
 
     
     
     
     
     
     
     

 
   
   
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