Section 12 Compare Match Timer (CMT)
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REJ09B0313-0050
12.5.3
Conflict between Byte-Write and Count-Up Processes of CMCNT
Even when the count-up occurs in the T2 cycle while writing to CMCNT in bytes, the writing has
priority over the count-up. In this case, the count-up is not performed. The byte data on the other
side, which is not written to, is also not counted and the previous contents are retained.
Figure 12.7 shows the timing when the count-up occurs in the T2 cycle while writing to
CMCNTH in bytes.
CMCNTH
T1
T2
CMCNTH
M
N
CMCNTL
X
X
Peripheral clock
(P
φ
)
Address signal
Internal write signal
CMCNT count-up
enable signal
CMCSR write cycle
Figure 12.7 Conflict between Byte-Write and Count-Up Processes of CMCNT
Содержание Single-Chip Microcomputer SH7203
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Страница 796: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 0 50 May 18 2006 Page 766 of 1588 REJ09B0313 0050 ...
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Страница 1598: ...Section 31 Electrical Characteristics Rev 0 50 May 18 2006 Page 1568 of 1588 REJ09B0313 0050 ...
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