Index: firmware/source/system.c
===================================================================
diff -u -r172b320a1007769c7452fe3f1cc7ac85b016f89a -r27eb0bf7706076503c31aa87d3f6fbc8cef39801
--- firmware/source/system.c	(.../system.c)	(revision 172b320a1007769c7452fe3f1cc7ac85b016f89a)
+++ firmware/source/system.c	(.../system.c)	(revision 27eb0bf7706076503c31aa87d3f6fbc8cef39801)
@@ -305,7 +305,7 @@
 
     /** - Setup asynchronous peripheral clock sources for AVCLK1 and AVCLK2 */
     systemREG1->VCLKASRC = (uint32)((uint32)SYS_VCLK << 8U)
-                         | (uint32)((uint32)SYS_VCLK << 0U);
+                         | (uint32)((uint32)SYS_OSC << 0U);
 
     /** - Setup synchronous peripheral clock dividers for VCLK1, VCLK2, VCLK3 */
     systemREG1->CLKCNTL  = (systemREG1->CLKCNTL & 0xF0FFFFFFU)