RX610 Group
13. Data Transfer Controller (DTC)
R01UH0032EJ0120 Rev.1.20
Page 359 of 1006
Feb 20, 2013
13.4.7
Operation Timing
Figures 13.10 to 13.13 show examples of DTC operation timing.
System clock
ICU.IRi
Request for
DTC activation
Access by DTC
Reading
the
vector
Reading the
transfer-
control
information
Transferri
ng data
Writing the
transfer-
control
information
R
W
i = DTC vector number (interrupt vector number)
Figure 13.10 Example of DTC Operation Timing 1
(Short-Address Mode, Normal Transfer Mode, Repeat Transfer Mode)
System clock
Access by DTC
Reading
the vector
Reading the
transfer-
control
information
Transferring
data
Writting the
transfer-
control
information
R
W
ICU.IRi
Request for
DTC activation
R
W
R
W
i = DTC vector number (interrupt vector number)
Figure 13.11 Example of DTC Operation Timing 2
(Short-Address Mode, Block Transfer Mode, Block Size = 3)