H83318 Datasheet, PDF (270/574 Pages) Renesas Technology Corp – Single-Chip Microcomputer

Upper byte write
CPU writes
data H'AA
Bus
interface
Module data bus
TEMP
[H'AA]
FRCH
[]
FRCL
[]
Lower byte write
CPU writes
data H'55
Bus
interface
Module data bus
TEMP
[H'AA]
FRCH
[H'AA]
FRCL
[H'55]
Figure 10.2a Write Access to FRC (When CPU Writes H'AA55)
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