r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 747

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 18 Compare Match Timer (CMT)
18.5.3
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 18.6 shows the
timing to write to CMCNT in words.
CMCSR write cycle
T1
T2
Peripheral operating
clock (Pφ)
Address
CMCNT
Internal write
CMCNT count-up
enable
CMCNT
N
M (CMCNT write data)
Figure 18.6 Conflict between Word-Write and Count-Up Processes of CMCNT
Rev. 1.00 Sep. 21, 2007 Page 721 of 1124
REJ09B0402-0100