HD6432633 Datasheet, PDF (607/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Examples of 8-bit register access operation are shown in figures 11-3, 11-4, and 11-5.
Bus
master
Internal data bus
H
L
Bus interface
Module
data bus
TCR
Figure 11-3 8-Bit Register Access Operation [Bus Master ↔ TCR (Upper 8 Bits)]
Internal data bus
H
Bus
master ^L
Bus interface
Module
data bus
TMDR
Figure 11-4 8-Bit Register Access Operation [Bus Master ↔ TMDR (Lower 8 Bits)]
Internal data bus
H
Bus
master ^L
Bus interface
Module
data bus
TCR
TMDR
Figure 11-5 8-Bit Register Access Operation [Bus Master ↔ TCR and TMDR (16 Bits)]
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