MB91110 查看數據表（PDF） - Fujitsu

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MB91110

32-Bit RISC Microcontroller

Fujitsu 

MB91110 Series

s MODE SETTING

1. Pins

• Mode pins and set mode

Mode 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 areas

External

External



Internal



* : MB91110 series is not supported single chip mode.

External data bus

width

Bus modes

8-bit

16-bit

External ROM external

bus mode



Setting is prohibited

(Mode register) Single chip mode*



Usage is prohibited

2. Register

• Mode register (MODR) and set mode

Address

0000 07FFH M1

M0

*

*

*

*

*

*

Bus mode set bit

Initial value Access

XXXXXXXXB W

W : Write only

X : Undecided

* : “0” should always be written for bits other than M1 and M0.

• Bus mode set bit and its 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



Remarks

Not supported

Setting is prohibited

21

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