MCF5282CVM66 Datasheet, PDF (403/766 Pages) Freescale Semiconductor, Inc – MCF5282 and MCF5216 ColdFire® Microcontroller User’s Manual

DMA Timers (DTIM0–DTIM3)
For example, if a 80-MHz timer clock is divided by 16, DTMRn[PS] equals 0x7F, and the timer is
referenced at 0x1312C (78,124 decimal), the time-out period is:
Timeout period
=
---------¹-----------
80 × 10⁶
×
16
×
( 127
+
1)
×
( 78124
+
1)
=
2.00
seconds
Eqn. 21-2
Freescale Semiconductor
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
21-11