HD64F3028F25 Datasheet, PDF (654/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

18.12 Mask ROM Overview
18.12.1 Block Diagram
Figure 18.19 shows a block diagram of the ROM.
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
H'00000
H'00002
H'00001
H'00003
On-chip ROM
H'5FFFE
H'5FFFF
Even addresses
Odd addresses
Figure 18.19 ROM Block Diagram
Rev. 2.00, 09/03, page 622 of 890