From d7549d22b6a93d0aef38d7ed893bf5130e0c9159 Mon Sep 17 00:00:00 2001 From: Christian Starkjohann Date: Tue, 13 May 2008 15:53:37 +0000 Subject: - documented 20 MHz module --- usbdrv/Readme.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'usbdrv') diff --git a/usbdrv/Readme.txt b/usbdrv/Readme.txt index 0dea48b..cb1a70e 100644 --- a/usbdrv/Readme.txt +++ b/usbdrv/Readme.txt @@ -80,6 +80,11 @@ ATTiny26. See the EasyLogger example at http://www.obdev.at/avrusb/easylogger.html for code which calibrates the RC oscillator based on the USB frame clock. +20 MHz Clock +This module is for people who won't do it with less than the maximum. Since +20 MHz is not divisible by the USB low speed bit clock of 1.5 MHz, the code +uses similar tricks as the 16 MHz module to insert leap cycles. + USB IDENTIFIERS =============== -- cgit v1.2.3