Overview Of Rom Mirroring Function Select Module; Access To Ff Bank By Rom Mirroring Function - Fujitsu F2MCTM-16LX Hardware Manual

16-bit microcontroller
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CHAPTER 23 ROM MIRRORING MODULE
23.1

Overview of ROM Mirroring Function Select Module

The ROM mirroring function select module provides a setting so that ROM data in the
FF bank can be read by access to the 00 bank.
Block Diagram of ROM Mirroring Function Select Module
Figure 23.1-1 Block Diagram of ROM Mirroring Function Select Module
Address
Data

Access to FF Bank by ROM Mirroring Function

Figure 23.1-2 shows the location in memory when ROM mirroring function allows access to the 00 bank to
read ROM data in the FF bank.
526
FF bank
Figure 23.1-2 Access to FF Bank by ROM Mirroring Function
0 0 8 0 0 0
H
00 bank
00FFFF
H
FEFFFF
H
F F 0 0 0 0
H
FF bank
F F 8 0 0 0
H
Area for ROM mirror
FFFFFF
H
ROM mirror function select register (ROMM)
Re-
Re-
Re-
Re-
served
served
served
served
Address area
00 bank
ROM
ROM mirror area
MB90F362/T(S),MB90362/T(S)
MB90F367/T(S),MB90367/T(S)
Re-
Re-
Re-
MI
served
served
served

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