HD6432633 Datasheet, PDF (400/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

9.3.4 Location of Register Information in Address Space
Figure 9-5 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'FFEBC0 to H'FFEFBF).
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 9-5 Location of Register Information in Address Space
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