SH7604 Datasheet, PDF (322/633 Pages) Hitachi Semiconductor – Hardware Manual

(Read from upper byte)
CPU
(H'AA)
upper
byte
Bus interface
Data bus within module
TEMP
(H'55)
(Read from lower byte)
CPU
(H'55)
lower
byte
Bus interface
FRC H
(H'AA)
FRC L
(H'55)
Data bus within module
TEMP
(H'AA)
FRC H
()
FRC L
()
Figure 11.3 FRC Access Operation (CPU Reads H'AA55 from FRC)
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