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Diffstat (limited to 'nuttx/configs/samv71-xult/include/board.h')
-rw-r--r--nuttx/configs/samv71-xult/include/board.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/nuttx/configs/samv71-xult/include/board.h b/nuttx/configs/samv71-xult/include/board.h
index 64a07adab..6bcb55252 100644
--- a/nuttx/configs/samv71-xult/include/board.h
+++ b/nuttx/configs/samv71-xult/include/board.h
@@ -329,7 +329,24 @@
* There are no alternative pin selections for USART1.
*/
-/* SSC
+/* WM8904 Audio Codec
+ *
+ * SAMV71 Interface WM8904 Interface
+ * ---- ------------ ------- ----------------------------------
+ * PIO Usage Pin Function
+ * ---- ------------ ------- ----------------------------------
+ * PA3 TWD0 SDA I2C control interface, data line
+ * PA4 TWCK0 SCLK I2C control interface, clock line
+ * PA10 RD ADCDAT Digital audio output (microphone)
+ * PB18 PCK2 MCLK Master clock
+ * PB0 TF LRCLK Left/right data alignment clock
+ * PB1 TK BCLK Bit clock, for synchronization
+ * PD11 GPIO IRQ Audio interrupt
+ * PD24 RF LRCLK Left/right data alignment clock
+ * PD26 TD DACDAT Digital audio input (headphone)
+ * ---- ------------ ------- ----------------------------------
+ *
+ * SSC
*
* Alternative pin selections are available only for SSC0 TD.
* On the SAMV71-XULT board, PD26 supports the I2S TD function