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Section 9 Timers
Rev. 6.00 Sep 12, 2006 page 265 of 526
REJ09B0326-0600
9.5.8 Application
Notes
The following types of contention can occur in timer X operation.
1. Contention between FRC write and counter clear
If an FRC clear signal is generated in the T
3
state of a write cycle to the lower byte of FRC,
clearing takes precedence and the write to the counter is not carried out. Figure 9.32 shows the
timing.
T
1
T
2
T
3
FRC lower byte write cycle
Address
FRC address
Internal write
signal
φ
Counter clear
signal
FRC
N
H'0000
Figure 9.32 Contention between FRC Write and Clear
Содержание F-ZTAT H8/3642A Series
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Страница 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Страница 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Страница 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Страница 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Страница 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...