MB91F155PFV-G Просмотр технического описания (PDF) - Fujitsu

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MB91F155PFV-G

32-bit Proprietary Microcontrollers

Fujitsu 

MB91F155/MB91154

s CPU CORE

1. Memory Space

The FR family has a logical address space of 4 Gbytes (232 bytes) and the CPU linearly accesses the memory

space.

• Direct addressing area

The following area in the address space is used for I/O.

This area is called direct addressing area and an operand address can be specified directly in an instruction.

The direct addressing area varies with the data size to be accessed as follows :

→ byte data access :

0-0FFH

→ half word data access : 0-1FFH

→ word data access :

0-3FFH

2. Memory Map

• MB91F155 memory space

0000 0000H

0000 0400H

External ROM-

external bus mode

I/O

I/O

0000 0800H

0000 1000H

0000 9000H

Not accessible

32 KB

internal RAM

Internal ROM-

external bus mode

I/O

I/O

Not accessible

32 KB

internal RAM

Single-chip mode

I/O

I/O

Not accessible

32 KB

internal RAM

Direct

addressing

area

I/O map reference

Not accessible

Not accessible

Not accessible

0001 0000H

External area

01FF FFFFH

FFFF FFFFH

Not accessible

External area

2 KB internal RAM

510 KB

internal ROM

External area

Not accessible

Not accessible

2 KB internal RAM

510 KB

internal ROM

0001 0000H

0008 0000H

0008 0800H

0010 0000H

Not accessible

FFFF FFFFH

Note : External areas are not accessible in single-chip mode.

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