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SH7014 Datasheet(PDF) 465 Page - Renesas Technology Corp

Part # SH7014
Description  32-Bit RISC Microcomputer
PDF  754 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 Datasheet(HTML) 465 Page - Renesas Technology Corp

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15. Compare Match Timer (CMT)
Rev.5.00 Sep. 27, 2007 Page 431 of 716
REJ09B0398-0500
15.5.3
Contention between CMCNT Byte Write and Incrementation
If an increment occurs during the T
2 state of the CMCNT byte write cycle, the counter write has
priority, so no increment of the write data results on the writing side. The byte data on the side not
performing the writing is also not incremented, so the contents are those before the write.
Figure 15.8 shows the timing when an increment occurs during the T
2 state of the CMCNTH write
cycle.
T1
T2
CK
Address
Internal
write signal
CMCNT
input clock
CMCNTH
CMCNT write cycle
CMCNTH
N
M
CMCNTH write data
X
X
CMCNTL
Figure 15.8 CMCNT Byte Write and Increment Contention



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