HD64F2168 Datasheet, PDF (100/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

3.4 Address Map
Figures 3.1 to 3.3 show memory maps in operating mode.
ROM: 256 kbytes, RAM: 40 kbytes
Mode 2 (EXPE = 1)
Advanced mode
Extended mode with
on-chip ROM
H'000000
ROM: 256 kbytes, RAM: 40 kbytes
Mode 2 (EXPE = 0)
Advanced mode
Single-chip mode
H'000000
On-chip ROM
On-chip ROM
H'03FFFF
H'03FFFF
Reserved area
Reserved area
H'07FFFF
H'080000
H'F7FFFF
H'F80000
H'FBFFFF
H'FC0000
H'FEFFFF
H'FF0000
H'FF07FF
H'FF0800
H'FF97FF
H'FF9800
External address
space
256 kbytes
extended area
External address
space
Reserved area
On-chip RAM ^*
(36 kbytes)
Reserved area*
H'FFBFFF
H'FFC000
H'FFDFFF
H'FFE000
H'FFE07F
H'FFE080
H'FFEFFF
H'FFF000
H'FFF7FF
H'FFF800
H'FFFE3F
H'FFFE40
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
CP extended
area
External address
space
On-chip RAM *
(3,968 bytes)
Extersnpaal _caeddress
(IOS extended area)
Internal I/O
registers 3
Internal I/O
registers 2
O(n1-2c8hibpyRteAs_*M)
Internal I/O
registers 1
H'07FFFF
H'FF0000
H'FF07FF
H'FF0800
H'FF97FF
H'FF9800
H'FFBFFF
Reserved area
On-chip RAM
(36 kbytes)
Reserved area
H'FFE080
H'FFEFFF
On-chip RAM
(3,968 bytes)
H'FFF800
H'FFFE3F
H'FFFE40
H'FFFEFF
H'FFFF00
H'FFFF7F
H'FFFF80
H'FFFFFF
Internal I/O
registers 3
Internal I/O
registers 2
On-chip RAM
(128 bytes)
Internal I/O
registers 1
Notes: * These areas can be used as an external address space by clearing bit RAME in SYSCR to 0.
Figure 3.1 H8S/2168 Address Map
Rev. 3.00, 03/04, page 60 of 830