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M32000D4BFP-80 Datasheet(Fiches technique) 14 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M32000D4BFP-80
Description  SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER   
Télécharger  44 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
M32000D4BFP-80
14
Address space
The M32000D4BFP-80 logical address is 32-bit wide and offers 4
GB linear space. The M32000D4BFP-80 has address spaces allo-
cated as shown below.
The user space is specified by SID = 0 (H'0000 0000 to H'7FFF FFFF).
The area available to the user is 16 MB from address H'0000 0000
to address H'00FF FFFF.
The I/O space is specified by SID = 1 (H'8000 0000 to H'FFFF FFFF).
The area available to the user is 16 MB from address H'FF00 0000
to address H'FFFF FFFF. The I/O space cannot be cached.
These areas below are allocated in each space.
• User space
internal DRAM area
external area
• I/O space
user I/O area
system area
internal I/O area
Fig. 9 Address space
H'0000 0000
H'FFFF FFFF
< logical space >
EIT vector entry
(reset interrupt)
H'7FFF FFFF
H'8000 0000
I/O space
(SID = 1)
user space
(SID = 0)
< physical space >
internal DRAM
area (2M bytes)
H'0000 0000
H'001F FFFF
H'0020 0000
H'00FF FFFF
external area
(14M bytes)
logical address
0 : H'00 0000
0 : H'1F FFFF
0 : H'20 0000
0 : H'FF FFFF
(16M bytes)
(16M bytes)
H'FF00 0000
H'FF7F FFFF
H'FF80 0000
H'FFFF FFFF
H'FFBF FFFF
H'FFC0 0000
1 : H'00 0000
1 : H'BF FFFF
1 : H'FF FFFF
1 : H'C0 0000
1 : H'7F FFFF
1 : H'80 0000
user I/O area
(8M bytes)
system area
(4M bytes)
internal I/O area
(4M bytes)
physical address
(24 bits)
EIT vector entry
(except for reset interrupt)
SID
physical address
(24 bits)
SID
logical address
logical address




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