Datasheet

Rev.6.00 Oct.28.2004 page 255 of 1016
REJ09B0138-0600H
Register information
start address
Register information
Chain transfer
DTC vector
address
Figure 8-4 Correspondence between DTC Vector Address and Register Information
8.3.4 Location of Register Information in Address Space
Figure 8-5 shows how the register information should be located in the address space.
Locate the MRA, SAR, MRB, DAR, CRA, and CRB registers, in that order, from the start address of the register
information (contents of the vector address). In the case of chain transfer, register information should be located in
consecutive areas.
Locate the register information in the on-chip RAM (addresses: H'FFF800 to H'FFFBFF).
Register
information
start address
Chain
transfer
Register information
for 2nd transfer in
chain transfer
MRA SAR
MRB
DAR
CRA CRB
4 bytes
Lower address
CRA CRB
Register information
MRA
0 123
SAR
MRB
DAR
Figure 8-5 Location of Register Information in Address Space