HD6413002 Datasheet, PDF (71/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

T₁
T₂
T₃
ø
Address bus
Address
AS, RD, HWR, LWR
D₁₅ to D₀
High
High impedance
Figure 2-18 Pin States during Access to On-Chip Supporting Modules
2.9.4 Access to External Address Space
The external address space is divided into eight areas (areas 0 to 7). Bus-controller settings
determine whether each area is accessed via an 8-bit or 16-bit bus, and whether it is accessed in
two or three states. For details see section 6, Bus Controller.
56