PC87334VLJ datasheet(57/102 Pages) NSC

部件名	PC87334VLJ

功能描述	SuperI/O 3.3V/5V Floppy Disk Controller, Dual UARTs, Infrared, IEEE1284 Parallel Port, and IDE Interface

PDF	102 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

标志

57 / 102 page

40 FDC Command Set Description (Continued)

SENSE DRIVE STATUS

Command Phase

00000

XXXXXHDDR1

DR0

Execution Phase

Disk drive status information is detected

and reported

Result Phase

Status Register 3

SENSE INTERRUPT

Command Phase

00001000

Execution Phase

Status of interrupt is reported

Result Phase

Status Register 0

Present Track Number (PTR)

MSN of PTR

0000

Note

The third Result Phase byte can only be read if ETR is set in the Mode

Command

SET TRACK

Command Phase

0WNR100

MSB

DR1

DR0

Present Track Number (PTR)

Execution Phase

Internal register selected by MSB of DR1

or DR0 is read or written

Result Phase

Value

SPECIFY

Command Phase

0000001

Step Rate Time

Motor Off Time

Motor On Time

DMA

Execution Phase

Internal registers are written

Result Phase

None

VERIFY

Command Phase

MFM

DR1

DR0

Track Number

Drive Head Number

Sector Number

Bytes per Sector

End of Track Sector Number

Intersector Gap Length

Data LengthSector Count

Execution Phase

Data is read from disk but not transferred

to the system

Result Phase

Status Register 0

Status Register 1

Status Register 2

Track Number

Head Number

Sector Number

Bytes per Sector

VERSION

Command Phase

00010000

Execution Phase

None

Result Phase

10010000

PC87334VLJ 数据表(PDF) 57 Page - National Semiconductor (TI)

PC87334VLJ 数据表(HTML) 57 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

PC87334VLJ 数据表(PDF) 57 Page - National Semiconductor (TI)

PC87334VLJ 数据表(HTML) 57 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载