增强的超级I / O控制器,提供快速IR
数据表
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
数据表