R5F36CAMNFB datasheet(17/100 Pages) RENESAS

17 / 100 page

R01DS0034EJ0210 Rev.2.10

Page 17 of 96

Jul 31, 2012

M16C/6C Group

3. Address Space

Address Space

3.1

Address Space

The M16C/6C Group has a 1 MB address space from 00000h to FFFFFh. Figure 3.1 shows the Address

Space. Areas that can be accessed vary depending on processor mode and the status of each control bit.

Figure 3.1

Address Space

00000h

0D000h

00400h

0D800h

0E000h

10000h

14000h

FFFFFh

28000h

27000h

04000h

Internal RAM is allocated from

address 00400h higher.

Program ROM 1 is allocated from

address FFFFFh lower.

When data flash is enabled

When program ROM 2

is enabled

Memory expansion mode

Notes:

1. Do not access reserved areas.

2. The figure above applies under the following condition:

- The PM13 bit in the PM1 register is 0

(addresses 04000h to 0CFFFh and 80000h to CFFFFh are used as external areas).

D0000h

SFR

Internal RAM

Reserved area

External area

SFR

External area

Internal ROM

(data flash)

Internal ROM

(program ROM 2)

External area

Reserved area

External area

Reserved area

Internal ROM

(program ROM 1)

1 MB

address space

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