COM20020I_0609 参数 Datasheet PDF下载

5Mbps的ARCNET （ ANSI 878.1 ）控制器2K ×8片内RAM

目录

第1章

第2章

第3章

第4章

4.1

4.2

4.2.1

4.3

4.4

4.5

4.6

一般DESCRIPTION................................................................................................................5

引脚配置...................................................................................................................6

引脚功能说明.............................................. ................................................. 8

协议DESCRIPTION...........................................................................................................11

N

ETWORK

P

ROTOCOL

...................................................................................................................................11

D

ATA

R

ATES

................................................................................................................................................11

选择时钟频率高于2.5 Mbps的............................................ ........................................ 11

N

ETWORK

R

ECONFIGURATION

........................................................................................................................12

B

ROADCAST

M

ESSAGES

................................................................................................................................12

E

XTENDED

T

IMEOUT

F

油膏

......................................................................................................................12

L

INE

P

ROTOCOL

............................................................................................................................................13

系统说明................................................................................................................15

第5章

5.1

5.2

M

ICROCONTROLLER

I

覆盖整个院落

.....................................................................................................................15

T

RANSMISSION

M

EDIA

I

覆盖整个院落

..................................................................................................................19

功能DESCRIPTION........................................................................................................24

第6章

6.1

6.2

6.3

6.4

6.5

6.6

M

ICROSEQUENCER

........................................................................................................................................24

内部寄存器............................................................................................................................25

I

NTERNAL

R

AM

..............................................................................................................................................35

C

OMMAND

C

海宁

.....................................................................................................................................40

I

NITIALIZATION

S

EQUENCE

..............................................................................................................................42

I

MPROVED

D

IAGNOSTICS

................................................................................................................................42

操作说明.....................................................................................................45

第7章

7.1

7.2

M

AXIMUM

G

UARANTEED

R

ATINGS

* .................................................................................................................45

D

C

E

LECTRICAL

C

极特

................................................................................................................45

时序图.......................................................................................................................48

包装纲要...................................................................................................................63

附录A...................................................................................................................................65

附录B...................................................................................................................................68

附录C...................................................................................................................................69

第8章

第九章

第10章

第11章

第12章

12.1

S

OFTWARE

I

的作者DENTIFICATION

COM20020I 3V ř

EV

D

和

R

EV

E ............................................................69

SMSC COM20020I 3.3V Rev.E

第3页

修订06年9月11日

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