MB91110 データシートの表示（PDF） - Fujitsu

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MB91110

32-Bit RISC Microcontroller

Fujitsu 

MB91110 Series

s MEMORY SPACE

The FR30 series has 4 Gbytes (232 addresses) of logic address space which the CPU accesses linearly.

1. Memory Map

Internal ROM external bus modes

0000 0000H

I/O

0000 0400H

I/O

0000 0800H

0000 1000H

Access is prohibited

Built-in RAM 5 KB

0000 2400H

Access is prohibited

0001 0000H

External area

0008 0000H

Access is prohibited

000B C000H

I-RAM/ROM 16 KB

000C 0000H

External area

Direct addressing area

(Refer to "I/O MAP")

Operating as the internal ROM.

Reading mode only can be accessed

in the case of I-RAM.

0010 0000H

External area

FFFF FFFFH

Note : MB91110 series only supports internal ROM external bus mode.

• Direct addressing area

The following areas of the address space are used for I/O. This area is called the “direct addressing area” and

the address of the operand can be specified directly during instruction. The direct area differs depending on

data size to be accessed.

• Byte data access

: 0-0FFH

• Half-word data access : 0-1FFH

• Word data access

: 0-3FFH

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