diff options
Diffstat (limited to 'usbdrv/usbconfig-prototype.h')
| -rw-r--r-- | usbdrv/usbconfig-prototype.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/usbdrv/usbconfig-prototype.h b/usbdrv/usbconfig-prototype.h index 437b3fb..5883461 100644 --- a/usbdrv/usbconfig-prototype.h +++ b/usbdrv/usbconfig-prototype.h @@ -44,10 +44,10 @@ section at the end of this file). * markers every millisecond.] */ #define USB_CFG_CLOCK_KHZ (F_CPU/1000) -/* Clock rate of the AVR in MHz. Legal values are 12000, 15000, 16000, 16500 - * and 20000. The 16.5 MHz version of the code requires no crystal, it - * tolerates +/- 1% deviation from the nominal frequency. All other rates - * require a precision of 2000 ppm and thus a crystal! +/* Clock rate of the AVR in MHz. Legal values are 12000, 12800, 15000, 16000, + * 16500 and 20000. The 12.8 MHz and 16.5 MHz versions of the code require no + * crystal, they tolerate +/- 1% deviation from the nominal frequency. All + * other rates require a precision of 2000 ppm and thus a crystal! * Default if not specified: 12 MHz */ |