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MB90378 Datasheet(PDF) 19 Page - Fujitsu Component Limited.

Part No. MB90378
Description  16-bit Proprietary Microcontroller
Download  65 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
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MB90378 Datasheet(HTML) 19 Page - Fujitsu Component Limited.

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MB90378 Series
19
■ MEMORY MAP
* : The MB90V378 does not contain ROM. Assume that the development tool uses these area for its ROM decode
areas.
Notes :
• If single-chip mode (without ROM mirroring function) is selected, see Chapter 32, "ROM Mirroring
Function Selection Module" of the MB90378 series H/W manual.
• ROM data in the FF bank can be seen as an image in the higher 00 bank to validate the small model C
compiler. Because addresses of the 16 low-order bits in the FF bank are the same, the table in ROM
can be referenced without the "far" specification. For example, when 00C000H is accessed, the contents
of ROM at FFC000H are actually accessed. The ROM area in the FF bank exceeds 48 Kbytes, and all
areas cannot be seen as images in the 00 bank. Because ROM data from FF4000H to FFFFFFH is seen
as an image at 004000H to 00FFFFH, the ROM data table should be stored in the area from FF4000H to
FFFFFFH.
Model
Address #1
Address #2
Address #3
MB90F378
FE0000H
004000H
001900H
MB90V378
FE0000H*
004000H*
003F80H
ROM area
ROM area
(FF bank image)
Peripheral area
RAM
area
Register
Peripheral area
Single-chip mode
(with ROM mirroring function)
FFFFFFH
Address #1
FC0000H
010000H
Address #2
004000H
003F80H
Address #3
000100H
0000F8H
000000H
: Internal access memory
: Access not allowed


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