Memory Map; Figure 3.1 Memory Map - Renesas H8S/2437 Hardware Manual

3.4

Memory Map

Figure 3.1 shows a memory map.
ROM : 256 kbytes, RAM : 16 kbytes
Note : * This area can be specified as an external address area by clearing the RAME bit in SYSCR to 0.
Rev. 1.00, 09/03, page 56 of 704
Mode 7 (EXPE = 1)
Advanced mode
External mode with on-chip ROM enabled
H'000000
On-chip ROM
H'03FFFF
H'040000
Reserved
H'07FFFF
H'080000
External
address space
H'FBFFFF
H'FC0000
Area 1
H'FCFFFF
H'FD0000
Area 2
H'FDFFFF
H'FE0000
Area 3
H'FEFFFF
H'FF0000
Reserved *
H'FF6000
On-chip RAM
16384 bytes
H'FF9FFF
H'FFA000
Reserved
H'FFBFFF
H'FFC000
Internal I/O register 2
H'FFFEFF
H'FFFF00
Reserved
H'FFFF7F
H'FFFF80
Internal I/O register 1
H'FFFFFF

Figure 3.1 Memory Map

ROM : 256kbytes, RAM : 16kbytes
H'000000
H'03FFFF
H'040000
H'07FFFF
H'080000
H'FF0000
H'FF6000
*
H'FF9FFF
H'FFA000
H'FFBFFF
H'FFC000
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
Mode 7 (EXPE = 0)
Advanced mode
Single-chip mode
On-chip ROM
Reserved
Reserved
Reserved
On-chip RAM
16384 bytes
Reserved
Internal I/O register 2
Reserved
Internal I/O register 1