Datasheet

Section 3 MCU Operating Modes
Rev. 3.00 Mar 17, 2006 page 68 of 926
REJ09B0283-0300
H'000000
H'FFA000
H'FFC000
H'000000
H'FFA000
H'FFC000
H'FFFC00
On-chip RAM
*
2
External
address space
External address space
Internal I/O registers
External address space
Internal I/O registers
On-chip ROM
On-chip RAM
*
2
External address
space/reserved area
*
1
External address
space/reserved area
*
1
Internal I/O registers
Internal I/O registers
H'FFFFFF
H'FFFC00
H'FFFF00
H'FFFF20
H'FFFFFF
H'FFFF00
H'FFFF20
H'040000H'040000
External address
space/reserved area
*
1
On-chip ROM
ROM: 256 kbytes
RAM: 8 kbytes
Mode 12 User program mode
(expanded mode
with on-chip ROM enabled)
ROM: 256 kbytes
RAM: 8 kbytes
Mode 15 User program mode
(single-chip activation
expanded mode
with on-chip ROM enabled)
Notes: 1. When EXPE = 1, external address space; when EXPE = 0, reserved area.
2. On-chip RAM is used for flash memory programming. Do not clear the RAME bit in SYSCR to 0.
H'000000
H'FFA000
H'FFC000
External
address space
On-chip RAM
*
2
External
address space
External address space
Internal I/O registers
External address space
Internal I/O registers
H'FFFFFF
H'FFFC00
H'FFFF00
H'FFFF20
H'100000
H'140000
On-chip ROM
ROM: 256 kbytes
RAM: 8 kbytes
Modes 13 and 14 User program mode
(external ROM activation
expanded modes
with on-chip ROM enabled)
Figure 3.1 H8S/2676 Memory Map (4)