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Rev. 2.0, 11/00, page 386 of 1037
17.7.2
Competition between Writing and Counting Up with the FRC
When a counting up cause occurs under the T2 state where the FRC is under the writing cycle,
the counting up will not be effected and the priority will be given to count writing.
Figure 17.14 shows the timing chart in this case.
Address
FRC address
Internal writing
signal
Inputting clock
to the FRC
Writing data
FRC
N
M
T1
T2
Writing cycle with the FRC
Figure 17.14 Competition between Writing and Counting Up with the FRC
Содержание Hitachi H8S/2191
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