HD64F2357F20V Datasheet, PDF (285/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

DTC vector
address
Register information
start address
Register information
Chain transfer
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
Lower address
0
1
2
3
MRA
SAR
MRB
DAR
CRA
CRB
MRA
SAR
MRB
DAR
CRA
CRB
4 bytes
Register information
Register information
for 2nd transfer in
chain transfer
Figure 8-5 Location of Register Information in Address Space
Rev.6.00 Oct.28.2004 page 255 of 1016
REJ09B0138-0600H