R5F5631ADDFB datasheet(52/108 Pages) RENESAS

52 / 108 page

R01DS0098EJ0090 Rev.0.90

Page 52 of 106

Dec 27, 2011

RX63N Group, RX631 Group

3. Address Space

Figure 3.1

Memory Map in Each Operating Mode

Reserved area*3

0000 0000h

0008 0000h

FFFF FFFFh

Single-chip mode*1

On-chip RAM*2

On-chip ROM (program ROM)

(read only)*2

0010 0000h

Peripheral I/O registers

0010 8000h

On-chip ROM (E2 data 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)

FF00 0000h

FCU-RAM

Peripheral I/O registers

007F 8000h

007F A000h

007F C000h

007F C500h

007F FC00h

0002 0000h

00E0 0000h

Peripheral I/O registers

FEFF E000h

FF7F C000h

FF80 0000h

Reserved area*3

On-chip RAM*2

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

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

0002 0000h

00E0 0000h

FFFF FFFFh

FFE0 0000h

On-chip ROM (user boot)

(read only)

On-chip ROM (FCU firmware)

(read only)

FF00 0000h

FEFF E000h

FF7F C000h

FF80 0000h

1000 0000h

External address space

(SDRAM area)

Reserved area*3

On-chip RAM*2

External address space

(CS area)

Peripheral I/O registers

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

0002 0000h

External address space

(SDRAM area)

1000 0000h

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 45, ROM (Flash Memory for Code Storage) and section 46, E2 DataFlash Memory

(Flash Memory for Data Storage) 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

128 K

0000 0000h ～ 0001 FFFFh

1.5 M

FFE8 0000h to FFFF FFFFh

00E8 0000h to 00FF FFFFh

1 M

FFF0 0000h to FFFF FFFFh

00F0 0000h to 00FF FFFFh

768 K

FFF4 0000h to FFFF FFFFh

00F4 0000h to 00FF FFFFh

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