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Section 7 Data Transfer Controller (DTC)
Match &
RRS = 1
Vector number
Read DTC vector
Update transfer
Write transfer information
Transfer counter = 0
Clear activation
Rev.2.00 Jun. 28, 2007 Page 232 of 666
REJ09B0311-0200
Start
comparison
Not match | RRS = 0
Next transfer
Read transfer
information
Transfer data
information
CHNE = 1
Yes
No
or DISEL = 1
Yes
No
source flag
End
Figure 7.4 Flowchart of DTC Operation
Update the start address
of transfer information
CHNS = 0
No
Transfer counter = 0
No
DISEL = 1
No
Clear DTCER/request an interrupt
to the CPU
Yes
Yes
Yes
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