37C672 参数 Datasheet PDF下载

增强的超级I / O控制器，提供快速IR

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目录

FDC37C672数据表修订历史.............................................. .................................................. 3 ..

第1章

第2章

第3章

3.1

一般Description................................................................................................................ 9

针Configuration.................................................................................................................. 10

引脚功能说明.............................................. .................................................. 12

缓冲区类型说明............................................................................................................................14

第4章

第5章

5.1

5.2

多功能引脚说明.............................................. ............................................ 15

实用Description.......................................................................................................... 17

超级I / O Registers....................................................................................................................................17

主机处理器Interface............................................................................................................................17

第6章

软盘控制器.......................................................................................................... 18

6.1

FDC内部Registers...............................................................................................................................18

6.1.1

状态寄存器A（ SRA ） .....................................................................................................................19

6.1.2

状态寄存器B （ SRB ） .....................................................................................................................21

6.1.3

数字输出寄存器(DOR).............................................................................................................23

6.1.4

磁带驱动器寄存器（ TDR ） .................................................................................................................24

6.1.5

数据速率选择寄存器(DSR)........................................................................................................26

6.1.6

主状态Register...........................................................................................................................29

6.1.7

数据寄存器(FIFO)...........................................................................................................................29

6.1.8

数字输入寄存器（ DIR ） .................................................................................................................31

6.1.9

配置控制寄存器(CCR).................................................................................................33

6.1.10

状态寄存器编码................................................................................................................34

6.2

RESET .......................................................................................................................................................36

6.2.1

复位引脚（硬件Reset).............................................................................................................36

6.2.2

DOR复位与DSR复位（软件复位） ........................................ ............................................. 36

6.3

模式Operation....................................................................................................................................36

6.3.1

PC / AT模式 - （ IDENT高， MFM一"don't care" ） ................................. ............................................. 36

6.3.2

PS / 2模式 - （ IDENT低， MFM high)..................................................................................................36

6.3.3

30型模式 - （ IDENT低，低MFM ） ....................................... .................................................. ... 36

6.4

DMA传输...........................................................................................................................................37

6.5

调节器Phases.......................................................................................................................................37

6.5.1

命令相................................................................................................................................37

6.5.2

执行阶段.................................................................................................................................37

6.5.3

数据传输终止..................................................................................................................38

6.5.4

结果Phase.......................................................................................................................................39

第7章

第8章

命令集/说明.............................................. .................................................. 。 40

指令集...................................................................................................................... 43

8.1

数据传输命令..........................................................................................................................49

8.1.1

读数据...........................................................................................................................................49

8.1.2

阅读已删除Data..............................................................................................................................51

8.1.3

读了轨道......................................................................................................................................51

8.1.4

写数据...........................................................................................................................................52

8.1.5

写删除Data..............................................................................................................................53

8.1.6

Verify...................................................................................................................................................53

8.1.7

格式的曲目...................................................................................................................................54

8.2

控制命令....................................................................................................................................55

8.2.1

读ID...............................................................................................................................................55

8.2.2

重新校准..........................................................................................................................................55

8.2.3

Seek....................................................................................................................................................56

8.2.4

意识中断状态........................................................................................................................56

8.2.5

意识驱动器状态.............................................................................................................................57

8.2.6

指定................................................................................................................................................57

8.2.7

配置............................................................................................................................................58

8.2.8

Version................................................................................................................................................59

8.2.9

寻求相对......................................................................................................................................59

8.2.10

垂直模式........................................................................................................................60

8.3

LOCK .........................................................................................................................................................61

SMSC FDC37C672

第4页

牧师03年10月29日

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