Datasheet

Section 8 Data Transfer Controller (DTC)
Rev.6.00 Mar. 18, 2009 Page 314 of 980
REJ09B0050-0600
φ
DTC activation
request
DTC
request
Address
Vector read
Read Write Read Write
Data transfer Data transfer
Transfer
information
write
Transfer
information write
Transfer
information read
Transfer
information
read
Figure 8.12 DTC Operation Timing (Example of Chain Transfer)
8.5.7 Number of DTC Execution States
Table 8.7 lists execution status for a single DTC data transfer, and table 8.7 shows the number of
states required for each execution status.
Table 8.7 DTC Execution Status
Mode
Vector Read
I
Register Information
Read/Write
J
Data Read
K
Data Write
L
Internal
Operations
M
Normal 1 6 1 1 3
Repeat 1 6 1 1 3
Block transfer 1 6 N N 3
Legend:
N: Block size (initial setting of CRAH and CRAL)