IEEE


IEEE 1284 . ­ ­ (negotiation sequence). , , IEEE 1284, , . IEEE 1284 ­ , , , .

(extensi bi 1 i ty byte), (. 1.9). ­ ( ­ , ). Xflag (Select SPP) , , IEEE 1284. Extensibility Link request .


1.3. IEEE 1284


37


1.9.



[7:0]


7 Request Extensibility Link 1000 0000

6 Р 0100 0000

5 RLE 00110000

4 RLE 00010000

3  00001000

2 :

頠 0000 0100

頠 0000 0101

6e3 RLE 00010100