Shugart SA810 Dokumentacja Pobierz pdf (Strona 35)

BIT

0

0

0

CELLS

0

I

I

I

12F

I

D

D

D

1F

D

D

FM

-1::01-

4p,sec

"

"

~

"

"

~

/

/

"

/

~

~

/

~

/

"

I

BIT.

I I I

o I

~

1

1

1

0

1

0

0

"

CELLS

"

;fI

,

;fI

;fI

D

D

D

0

C

"

C D

;fI

MFM

,

;fI

1F

r~

----'1

4/3F

1"-

50574·30

FIGURE 6·5.

FM

AND MFM ENCODING

.

~1400

ItS

1

__

..

~±

200

,

(sr-

~~OO~

_________________

~~

~I-----r~------------~--~----~

SYNC

15 BYTES

4---.....1

WRITE

TURN ON

DATA CLOCK

DATA IDENTIFIER-

1 BYTE

15

BYTES

104----- 130 BYTES

----~

...... NOM

~---------5.2

± 0.30

ms-·--------~

FIGURE 6·6. SA810/860 HARD SECTOR RECORDING FORMAT (FM)

6-4

WRITE

TURN OFF

50574-31

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 61 62

Komentarze do niniejszej Instrukcji

Brak uwag