Figure 19.19 Rom Block Diagram (H8/3062 Mask Rom B-Mask Version) - Hitachi H8/3062 Hardware Manual

19.12 Mask ROM (H8/3062 Mask ROM B-Mask Version, H8/3061 Mask
ROM B-Mask Version, H8/3060 Mask ROM B-Mask Version)
Overview
19.12.1 Block Diagram
Figure 19.19 shows a block diagram of the ROM.

Figure 19.19 ROM Block Diagram (H8/3062 Mask ROM B-Mask Version)

624
Internal data bus (upper 8 bits)
Internal data bus (lower 8 bits)
H'00000
H'00002
On-chip ROM
H'1FFFE
Even addresses
H'00001
H'00003
H'1FFFF
Odd addresses