On Thu, Aug 19, 2004 at 02:33:38PM -0700, Aaron J. Grier wrote: > the tick rate is 8MHz/(13*3*8), very close to 10ms, a frequency of (8MHz/(13*3*8))/256 (a little over 100Hz) and a period of 256 * (13*3*8)/8000000 (9.984ms). -- Aaron J. Grier | Frye Electronics, Tigard, OR | aaron at frye.com