MB91110 查看數據表（PDF） - Fujitsu

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产品描述 (功能)

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MB91110

32-Bit RISC Microcontroller

Fujitsu 

MB91110 Series

s PIN DESCRIPTIONS

Pin no. Pin name

I/O*

1

D16/P20

2

D17/P21

3

D18/P22

4

5

D19/P23

D20/P24

I/O

6

D21/P25

7

D22/P26

8

D23/P27

10

D24

11

D25

12

D26

13

14

D27

D28

I/O

15

D29

16

D30

17

D31

20

A00

21

A01

22

A02

23

24

A03

A04

I/O

25

A05

26

A06

27

A07

29

A08

30

A09

31

A10

32

33

A11

A12

I/O

34

A13

35

A14

36

A15

38

A16/P60

39

A17/P61

40

A18/P62

41

42

A19/P63

A20/P64

I/O

43

A21/P65

44

A22/P66

45

A23/P67

48

RDY/P80

I/O

49 BGRNT/P81 I/O

Circuit type

Function

These pins use bits 16 to 23 of the external data bus.

C

They can be used as a port (P20 to P27) if the external bus

width is 8 bits.

C

These pins use bits 24 to 31 of the external data bus.

C

These pins use bits 00 to 07 of the external address bus.

C

These pins use bits 08 to 15 of the external address bus.

C

These pins use bits 16 to 23 of the external address bus.

This is for external ready input. “0” is input if the bus cycle be-

C

ing executed is incomplete. It can be used as a port when not

otherwise used.

This is the external bus open reception output. “L” is output if

H

the external bus is opened. It can be used as a port when not

otherwise used.

(Continued)

6

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