\r
\r
# Input clock frequency.\r
-# This will define a symbol, F_CLOCK, in all source code files equal to the \r
+# This will define a symbol, F_USB, in all source code files equal to the \r
# input clock frequency (before any prescaling is performed) in Hz. This value may\r
# differ from F_CPU if prescaling is used on the latter, and is required as the\r
# raw input clock is fed directly to the PLL sections of the AVR for high speed\r
#\r
# If no clock division is performed on the input clock inside the AVR (via the\r
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.\r
-F_CLOCK = ### INSERT RAW INPUT CLOCK SPEED HERE, IN HZ ###\r
+F_USB = ### INSERT CLOCK TO USB MODULE HERE, IN HZ ###\r
\r
\r
# Output format. (can be srec, ihex, binary)\r