Datasheet

Section 9 Data Transfer Controller (DTC)
R01UH0309EJ0500 Rev. 5.00 Page 499 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
φ
DTC activation
request
DTC
request
A
ddress
Vector read
Read Write Read Write
Data transfer
Transfer
information write
Transfer
information read
Figure 9.11 DTC Operation Timing (Example of Block Transfer Mode,
with Block Size of 2)
φ
DTC activation
request
DTC
request
A
ddress
Vector read
Read Write Read Write
Data transfer Data transfer
Transfer
information
write
Transfer
information write
Transfer
information read
Transfer
information
read
Figure 9.12 DTC Operation Timing (Example of Chain Transfer)
9.5.7 Number of DTC Execution States
Table 9.7 lists execution status for a single DTC data transfer, and table 9.8 shows the number of
states required for each execution status.