HD6473258P10V Datasheet, PDF (143/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

(1) Upper byte write
CPU writes
data H’AA
Bus interface
(2) Lower byte write
CPU writes
data H’55
Bus interface
Module data bus
TEMP
[H’AA]
FRC H
[]
FRC L
[]
Module data bus
TEMP
[H’AA]
FRC H
[H’AA]
FRC L
[H’55]
Figure 7-3 (a). Write Access to FRC (When CPU Writes H’AA55)
Fig 7-3 (a)
135