Fujitsu F2MC-16LX Hardware Manual page 134

CHAPTER 6 MEMORY ACCESS MODES
FFFFFF
H
Address #1
FE0000
H
010000
H
Address #2
004000
H
002000
H
Address #3
000100
H
0000C0
H
000000
H
Part number
MB90552A/B
MB90553A/B
MB90F553A
MB90P553A
MB90V550A
■ Recommended Setting Sample of Memory Space for Each Bus Mode
Table 6.1-5 shows a recommended setting sample of mode pins and mode data.
Table 6.1-5 Example of Recommended Setting of Mode Pins and Mode Data
Mode setting
Single chip
Internal ROM, external 8-bit bus
Internal ROM, external 16-bit bus
External ROM, external 16-bit bus
External ROM, external 8-bit bus
118
Figure 6.1-2 MB90550A/B Memory Space for Each Mode
ROM area
ROM area ROM area
(FF bank image) (FF bank image)
RAM
Register
Peripheral
Internal ROM external
Single-chip with
bus with the mirror function
the mirror function
Address #1
FF000
H
FE000
H
FE000
H
FE000
H
(FE000 )
H
ROM area
RAM RAM
Register
Peripheral Peripheral
External ROM
external bus
Address #2
004000
H
004000
H
004000
H
004000
H
004000
H
MD2 MD1 MD0
0 1
0 1
0 1
0 0
0 0
: Internal
: External
: Not accessed
Register
Address #3
000900
H
001100
H
001100
H
001100
H
001900
H
M1 M0
1 0 0
1 0 1
1 0 1
1 1 0
0 1 0
S0
x
0
1
1
0