Merge pull request #14 from jacobrosenthal/ccram

memory.x comments to explain cccram option

Author: therealprof

memory.x

@@ -3,9 +3,14 @@ MEMORY
   /* NOTE K = KiBi = 1024 bytes */
   FLASH : ORIGIN = 0x08000000, LENGTH = 1M 
   RAM : ORIGIN = 0x20000000, LENGTH = 128K
+  CCRAM : ORIGIN = 0x10000000, LENGTH = 64K
 }
 
 /* This is where the call stack will be allocated. */
 /* The stack is of the full descending type. */
 /* NOTE Do NOT modify `_stack_start` unless you know what you are doing */
 _stack_start = ORIGIN(RAM) + LENGTH(RAM);
+
+/* Advanced users can place the stack inthe CCRAM */
+/* which is smaller but faster. */
+/* _stack_start = ORIGIN(CCRAM) + LENGTH(CCRAM); */