Datasheet

Rev. 3.00, 03/04, page 62 of 830
ROM: 512 kbytes, RAM: 40 kbytes
Mode 2 (EXPE = 1)
Advanced mode
Extended mode with
on-chip ROM
ROM: 512 kbytes, RAM: 40 kbytes
Mode 2 (EXPE = 0)
Advanced mode
Single-chip mode
H'000000 H'000000
On-chip ROM On-chip ROM
Internal I/O
registers 2
Internal I/O
registers 1
H'FFEFFF
H'FFE080
H'FFFEFF
H'FFFFFF
H'FFFE40
H'FFFF7F
H'FFFF80
H'FFFF00
On-chip RAM
(128 bytes)
External address
space
Internal I/O
registers 2
Internal I/O
registers 1
H'FFEFFF
H'FFE080
H'FFFEFF
H'FFFE40
H'FFFF7F
H'FFFF80
H'FFFF00
On-chip RAM
(128 bytes)
H'FFFFFF
*
Reserved area
Reserved area
On-chip RAM
(36 kbytes)
CP extended
area
External address
space
On-chip RAM
(3,968 bytes)
Internal I/O
registers 3
On-chip RAM
(3,968 bytes)
Reserved area
Reserved area
On-chip RAM
(36 kbytes)
H'FF0000 H'FF0000
H'FF07FF H'FF07FF
H'FF0800 H'FF0800
H'FF97FF
H'FFBFFF
H'FFC000
H'FFDFFF
Internal I/O
registers 3
H'FFF800
H'FFFE3F
H'FFF800
H'FFFE3F
H'FF9800
H'FF97FF
H'FF9800
H'07FFFF
External address
space
H'07FFFF
H'F80000
H'FBFFFF
External address
space
256 kbytes
extended area
Notes: * These areas can be used as an external address space by clearing bit RAME in SYSCR to 0.
H'080000
H'F7FFFF
H'FEFFFF
H'FC0000
H'FFBFFF
H'FFE07F
H'FFE000
H'FFF7FF
H'FFF000
*
*
*
(IOS extended area)
Figure 3.3 H8S/2166 Address Map