In One Ramp mode, the TCD counter counts up until it reaches the
CMPBCLR value. Then the TCD cycle is done and the counter restarts
from 0x000, beginning a new TCD cycle. The TCD cycle period is:
Figure 22-3. One Ramp Mode
In the figure above, CMPASET < CMPACLR < CMPBSET < CMPBCLR.
This is required in One Ramp mode to avoid overlapping outputs. The figure below is an
example where CMPBSET < CMPASET < CMPACLR < CMPBCLR, resulting in an
overlap of the outputs. Figure 22-4. One Ramp Mode with CMPBSET
< CMPASET
If any of the other compare values are bigger than CMPBCLR it will never be
triggered when running in One Ramp mode, and if the CMPACLR is smaller than the CMPASET
value, the clear value will not have any effect.
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
