RX610 Group
17. 8-Bit Timer (TMR)
R01UH0032EJ0120 Rev.1.20
Page 584 of 1006
Feb 20, 2013
17.7.5
Conflict between TCORA or TCORB Write and Compare Match
Even if a compare match signal is generated simultaneously with CPU write to TCORA or TCORB, the write takes
priority and the compare match signal is not set as shown in figure 17.15.
TCNT
input clock
TCNT
TCORy
PCLK
TCORy write data
Not set to high
Write to TCORy by CPU
Compare match signal
(y = A, B)
N+1
N
M
N
Figure 17.15 Conflict between TCORA or TCORB Write and Compare Match
17.7.6
Conflict between Compare Matches A and B
If compare match events A and B occur at the same time, the 8-bit timer operates in accordance with the priorities for the
output statuses set for compare match A and compare match B, as shown in table 17.7.
Table 17.7 Timer Output Priorities
Output Setting
Priority
Toggle output
High
Low
High-output
Low-output
No change