Datasheet

Section 11 16-Bit Timer Pulse Unit (TPU)
Rev. 6.00 Mar. 18, 2010 Page 406 of 982
REJ09B0054-0600
• When TGR is an output compare register
When a compare match occurs, the value in the buffer register for the corresponding channel is
transferred to the timer general register.
This operation is illustrated in figure 11.13.
Buffer register
Timer general
register
TCNTComparator
Compare match signal
Figure 11.13 Compare Match Buffer Operation
• When TGR is an input capture register
When input capture occurs, the value in TCNT is transferred to TGR and the value previously
held in the timer general register is transferred to the buffer register.
This operation is illustrated in figure 11.14.
Buffer register
Timer general
register
TCNT
Input capture
signal
Figure 11.14 Input Capture Buffer Operation