參數(shù)資料
型號： 37C672
廠商： SMSC Corporation
英文描述： ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述： 增強的超級I / O控制器，快速紅外線
文件頁數(shù)： 108/173頁
文件大?。?/td> 965K
代理商： 37C672
Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
Page 4
Rev. 10-29-03
DATASHEET
Table of Contents
FDC37C672 Datasheet Revision History .................................................................................................. 3
Chapter 1
General Description................................................................................................................ 9
Chapter 2
Pin Configuration.................................................................................................................. 10
Chapter 3
Description of Pin Functions ................................................................................................ 12
3.1
Buffer Type Descriptions ............................................................................................................................14
Chapter 4
Description of Multifunction Pins .......................................................................................... 15
Chapter 5
Functional Description..........................................................................................................17
5.1
Super I/O Registers....................................................................................................................................17
5.2
Host Processor Interface............................................................................................................................17
Chapter 6
Floppy Disk Controller ..........................................................................................................18
6.1
FDC Internal Registers...............................................................................................................................18
6.1.1
Status Register A (SRA) .....................................................................................................................19
6.1.2
Status Register B (SRB) .....................................................................................................................21
6.1.3
Digital Output Register (DOR).............................................................................................................23
6.1.4
Tape Drive Register (TDR) .................................................................................................................24
6.1.5
Data Rate Select Register (DSR)........................................................................................................26
6.1.6
Main Status Register...........................................................................................................................29
6.1.7
Data Register (FIFO)...........................................................................................................................29
6.1.8
Digital Input Register (DIR) .................................................................................................................31
6.1.9
Configuration Control Register (CCR).................................................................................................33
6.1.10
Status Register Encoding ................................................................................................................34
6.2
RESET .......................................................................................................................................................36
6.2.1
RESET Pin (Hardware Reset).............................................................................................................36
6.2.2
DOR Reset vs. DSR Reset (Software Reset) .....................................................................................36
6.3
Modes of Operation....................................................................................................................................36
6.3.1
PC/AT mode - (IDENT high, MFM a "don't care") ...............................................................................36
6.3.2
PS/2 mode - (IDENT low, MFM high)..................................................................................................36
6.3.3
Model 30 mode - (IDENT low, MFM low) ............................................................................................36
6.4
DMA Transfers ...........................................................................................................................................37
6.5
Controller Phases.......................................................................................................................................37
6.5.1
Command Phase ................................................................................................................................37
6.5.2
Execution Phase .................................................................................................................................37
6.5.3
Data Transfer Termination ..................................................................................................................38
6.5.4
Result Phase.......................................................................................................................................39
Chapter 7
Command Set/Descriptions ................................................................................................. 40
Chapter 8
Instruction Set ...................................................................................................................... 43
8.1
Data Transfer Commands ..........................................................................................................................49
8.1.1
Read Data...........................................................................................................................................49
8.1.2
Read Deleted Data..............................................................................................................................51
8.1.3
Read A Track ......................................................................................................................................51
8.1.4
Write Data ...........................................................................................................................................52
8.1.5
Write Deleted Data..............................................................................................................................53
8.1.6
Verify...................................................................................................................................................53
8.1.7
Format A Track ...................................................................................................................................54
8.2
Control Commands ....................................................................................................................................55
8.2.1
Read ID...............................................................................................................................................55
8.2.2
Recalibrate..........................................................................................................................................55
8.2.3
Seek....................................................................................................................................................56
8.2.4
Sense Interrupt Status ........................................................................................................................56
8.2.5
Sense Drive Status .............................................................................................................................57
8.2.6
Specify ................................................................................................................................................57
8.2.7
Configure ............................................................................................................................................58
8.2.8
Version................................................................................................................................................59
8.2.9
Relative Seek ......................................................................................................................................59
8.2.10
Perpendicular Mode ........................................................................................................................60
8.3
LOCK .........................................................................................................................................................61
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