Xerox 340 Manuale Utente

14

nInit/nHostRTS

32

Host

C mode:  Negative true = reset

interface

N mode:  Set positive

15

nStrobe/HostClk

33

Host

C mode:  Negative true = transfer

data into printer input latch
on rising edge

N mode:  Negative true = transfer

Extensibility Request
value into printer input
latch on rising edge

16

nSelectIn/1284 Active

34

Host

C mode:  Negative true = select

printer

N mode:  Used in conjunction with

HostBusy for 1284
hardware handshaking

17

nAutoFd/HostBusy

35

Host

C mode:  Not used

N mode:  Used in conjunction with

1284 Active for 1284
hardware handshaking

18

Host Logic High

Host

Positive true = host signals valid

Negative true = host signals invalid

36

Peripheral Logic High

Printer

Positive true = printer on

Negative true = printer off