Renesas R5S72622 User Manual

Page of 2152
 
 
 
 
 
 
Section 12   Compare Match Timer 
 
R01UH0134EJ0400  Rev. 4.00  
 
Page 659 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
12.5.2
 
Conflict between Word-Write and Count-Up Processes of CMCNT 
Even when the count-up occurs in the T2 cycle while writing to CMCNT in words, the writing has 
priority over the count-up. In this case, the count-up is not performed. Figure 12.6 shows the 
timing to write to CMCNT in words. 
CMCNT
T1
T2
CMCNT
M
N
Peripheral clock 
(P
φ)
Address signal
Internal write signal
CMCNT count-up
enable signal
CMCSR write cycle
 
Figure 12.6   Conflict between Word-Write and Count-Up Processes of CMCNT