/** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */
#define TIMER_COMP(freq) (((F_CPU / 8) / 2 / freq) - 1)
- /** ISP rescue clock speed, for clocking targets with incorrectly set fuses. */
+ /** ISP rescue clock speed in Hz, for clocking targets with incorrectly set fuses. */
#define ISP_RESCUE_CLOCK_SPEED 4000000
/* External Variables: */