RX610 Group
4. Address Space
R01UH0032EJ0120 Rev.1.20
Page 97 of 1006
Feb 20, 2013
4.
Address Space
4.1
Address Space
This MCU has a 4-Gbyte address space, consisting of the range of addresses from 0000 0000h to FFFF FFFFh. That is,
linear access to an address space of up to 4 Gbytes is possible, and this contains both program and data areas.
Figures 4.1 to 4.4 show the memory maps in the respective operating modes of each product. Accessible areas will differ
according to the operating mode and states of control bits.
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
On-chip RAM
External address space
Reserved area
*
1
Peripheral I/O registers
Reserved area
*
1
Reserved area
*
1
External address space
On-chip RAM
Reserved area
*
1
On-chip ROM (program ROM)
(read only)
Peripheral I/O registers
On-chip ROM
(data flash)
On-chip ROM (program ROM)
(write only)
On-chip ROM (user boot)
(read only)
On-chip ROM
(FCU firmware)
*
3
(read only)
Reserved area
*
1
Reserved area
*
1
FCU RAM area
*
3
Reserved area
*
1
Peripheral I/O registers
Reserved area
*
1
Peripheral I/O registers
Reserved area
*
1
External address space
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
Reserved area
*
1
Notes: 1. A reserved area should not be accessed.
2. The address space in boot mode and user boot mode is the same as the address space in single-chip mode.
3. For details on the FCU, see section 26, ROM (Flash Memory for Code Storage) and section 27, Data Flash (Flash Memory for Data Storage).
0000 0000h
0008 0000h
FFFF FFFFh
Single-chip mode
*
2
On-chip RAM
On-chip ROM (program ROM)
(read only)
0010 0000h
Peripheral I/O registers
0010 8000h
On-chip ROM
(data flash)
0080 0000h
0100 0000h
On-chip ROM (program ROM)
(write only)
FFE0 0000h
FF7F C000h
On-chip ROM (user boot)
(read only)
On-chip ROM
(FCU firmware)
*
3
(read only)
FEFF E000h
FF00 0000h
FCU RAM area
*
3
Peripheral I/O registers
007F 8000h
007F A000h
007F C000h
007F C500h
007F FC00h
0002 0000h
0000 0000h
0008 0000h
FFFF FFFFh
On-chip ROM enabled
extended mode
0010 0000h
0010 8000h
0080 0000h
0100 0000h
0800 0000h
FFE0 0000h
FF7F C000h
FEFF E000h
FF00 0000h
007F 8000h
007F A000h
007F C000h
007F C500h
007F FC00h
0002 0000h
0000 0000h
0008 0000h
FFFF FFFFh
On-chip ROM disabled
extended mode
0010 0000h
0100 0000h
0800 0000h
FF00 0000h
0002 0000h
FF80 0000h
FF80 0000h
00E0 0000h
00E0 0000h
Peripheral I/O registers
Figure 4.1 Memory Map of the R5F56108
Summary of Contents for RX600 Series
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