IEEE 1284 , . , , . . ( ) . IEEE 1284 . (Level I) , . (Level II) , . .
♦ -0,5+5,5 .
♦ 14 +2,4 (VOH) +0,4 (VOL) .
♦ RO, , 505 VOH-VOL. . .
♦ () 0,05-0,4 /.
.
♦ -2,0+7,0 .
♦ 2,0 (VIH) 0,8 (VIL) .
♦ 0,21,2 ( ).
♦ ( ) 20 , +5 1,2 .
♦ 50 .
, Microsoft . IEEE 1284, . , . 1.7.
. 1.7. IEEE 1284: a ,
IEEE 1284 . A (DB-25) (Centronics-36) , 36- .
18 25 , GND. , . . 2 / 2 .
|
|
|
IEEE 1284 .
♦ () .
♦ 626 4-16 .
♦ 10%.
♦ (), 85% . .
, , IEEE Std 12841994 Compliant. 10 , . 1.10.
1.10. IEEE 1284
| 1 | 2 | ||
| AMAM | Type A Male Type A Male | () | () |
| AMAF | Type A Male Type A Female | () | () |
| AB | Type A Male Plug | () | |
| Type A Male Plug | () | ||
| BC | Plug Type Plug | ||
| CC | Plug Type Plug |
