Datasheet

R01DS0098EJ0180 Rev.1.80 Page 76 of 208
May 13, 2014
RX63N Group, RX631 Group 3. Address Space
Figure 3.1 Memory Map in Each Operating Mode
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
0000 0000h
0008 0000h
FFFF FFFFh
Single-chip mode*
1
RAM*
2
On-chip ROM (program ROM)
(read only)*
2
0010 0000h
Peripheral I/O registers
0010 8000h
On-chip ROM (E2data flash)
0080 0000h
0100 0000h
On-chip ROM (program ROM)
(write only)
FFE0 0000h
On-chip ROM (user boot)
(read only)
On-chip ROM (FCU firmware)
(read only)*
4
FF00 0000h
FCU-RAM
*
4
Peripheral I/O registers
007F 8000h
007F A000h
007F C000h
007F C500h
007F FC00h
0004 0000h
00E0 0000h
Peripheral I/O registers
FEFF E000h
FF7F C000h
FF80 0000h
Reserved area*
3
Reserved area*
3
Reserved area*
3
Reserved area*
3
On-chip ROM (program ROM)
(read only)*
3
Peripheral I/O registers
On-chip ROM (E2 data flash)
On-chip ROM (program ROM)
(write only)
Reserved area*
3
FCU-RAM*
4
Reserved area*
3
Peripheral I/O registers
Reserved area*
3
Peripheral I/O registers
Reserved area*
3
External address space
(CS area)
0000 0000h
0008 0000h
On-chip ROM enabled
extended mode
0010 0000h
0010 8000h
0080 0000h
0100 0000h
0800 0000h
007F 8000h
007F A000h
007F C000h
007F C500h
007F FC00h
0004 0000h
00E0 0000h
FFFF FFFFh
FFE0 0000h
On-chip ROM (user boot)
(read only)
On-chip ROM (FCU firmware)
(read only)*
4
FF00 0000h
FEFF E000h
FF7F C000h
FF80 0000h
1000 0000h
External address space
(SDRAM area)
RAM*
2
Reserved area*
3
External address space
(CS area)
Peripheral I/O registers
Reserved area*
3
Reserved area*
3
External address space
0000 0000h
0008 0000h
FFFF FFFFh
On-chip ROM disabled
extended mode
0010 0000h
0100 0000h
0800 0000h
FF00 0000h
0004 0000h
External address space
(SDRAM area)
1000 0000h
RAM*
2
Note 1. The address space in boot mode and user boot mode/USB boot mode is the same as the address space in single-chip mode.
Note 2. The capacity of ROM/RAM differs depending on the products.
Note:See Table 1.3, List of Products, for the product type name.
Note 3. Reserved areas should not be accessed.
Note 4. For details on the FCU, see section 47, Flash Memory in the User’s manual: Hardware.
ROM (byt) RAM (byt)
Capacity Address (for reading only) Address (for programming only) Capacity Address
2 M FFE0 0000h to FFFF FFFFh 00E0 0000h to 00FF FFFFh 256 K 0000 0000h to 0003 FFFFh
192 K 0000 0000h to 0002 FFFFh
128 K 0000 0000h to 0001 FFFFh
1.5 M FFE8 0000h to FFFF FFFFh 00E8 0000h to 00FF FFFFh 256 K 0000 0000h to 0003 FFFFh
192 K 0000 0000h to 0002 FFFFh
128 K 0000 0000h to 0001 FFFFh
1 M FFF0 0000h to FFFF FFFFh 00F0 0000h to 00FF FFFFh 256 K 0000 0000h to 0003 FFFFh
192 K 0000 0000h to 0002 FFFFh
128 K 0000 0000h to 0001 FFFFh
768 K FFF4 0000h to FFFF FFFFh 00F4 0000h to 00FF FFFFh
512K FFF8 0000h to FFFF FFFFh 00F8 0000h to 00FF FFFFh
384K FFFA 0000h to FFFF FFFFh 00FA 0000h to 00FF FFFFh
256K FFFC 0000h to FFFF FFFFh 00FC 0000h to 00FF FFFFh
512K FFF8 0000h to FFFF FFFFh 00F8 0000h to 00FF FFFFh 64K 0000 0000h to 0000 FFFFh
384K FFFA 0000h to FFFF FFFFh 00FA 0000h to 00FF FFFFh
256K FFFC 0000h to FFFF FFFFh 00FC 0000h to 00FF FFFFh