MB91107 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB91107

32-bit RISC Microcontroller

Fujitsu 

MB91107/108

s SETTING MODE

1. Pin

•Mode setting pins and modes

Mode setting pins

MD2 MD1 MD0

Mode name

0

0

0

External vector

mode 0

0

0

1

External vector

mode 1

0

1

0

—

0

1

1 Internal vector mode

1

—

—

—

Reset vector

access area

External

External

—

Internal

—

External data bus

width

Bus mode

8 bits

16 bits

External ROM/external

bus mode

—

(Mode register)

—

Inhibited

Inhibited

Inhibited

2. Registers

•Mode data

MODR

Initial value Access

Address : 0000 07FFH M1 M0 ∗ ∗ ∗ ∗ ∗ ∗ XXXX XXXXB

W

Always write “0” except for M1 and M0.

Bus mode setting bit

•Bus mode setting bits and functions

M1

M0

Functions

0

0

Single-chip mode

0

1

Internal ROM/external bus mode

1

0

External ROM/external bus mode

1

1

—

Note : MB91107 places 128-KB internal RAM in the internal ROM area.

To use the 128-KB internal RAM, be sure to set ’01’.

Note

Inhibited

Inhibited

22

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