HD64F3028F25 Datasheet, PDF (86/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

T₁
T₂
T₃
φ
Address bus
Address
AS, RD, HWR, LWR
High
D₁₅ to D₀
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.
Rev. 2.00, 09/03, page 54 of 890