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R5F3640MCDFB Datasheet(PDF) 17 Page - Renesas Technology Corp

Part # R5F3640MCDFB
Description  cameras, televisions, household appliances, office equipment
PDF  91 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R5F3640MCDFB Datasheet(HTML) 17 Page - Renesas Technology Corp

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R01DS0016EJ0100 Rev.1.00
Page 17 of 88
Feb 07, 2011
M16C/64C Group
3. Address Space
3.
Address Space
3.1
Address Space
The M16C/64C Group has a 1 MB address space from 00000h to FFFFFh. Address space is expandable to
4 MB with the memory area expansion function. Addresses 40000h to BFFFFh can be used as external
areas from bank 0 to bank 7. 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
Bank 7
Bank 6
Bank 5
Bank 4
Bank 3
Bank 2
Bank 1
In 4 MB mode
Internal RAM
Reserved area
00000h
0D000h
SFR
00400h
SFR
0D800h
Internal ROM
(data flash)
0E000h
Internal ROM
(program ROM 2)
10000h
Reserved area
Internal ROM
(program ROM 1)
14000h
FFFFFh
Reserved area
28000h
27000h
External area
External area
External area
40000h
BFFFFh
Bank 0
04000h
External area
The 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
1 MB
address space
512 KB
× 8
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



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