Compuprint 10200 Programmer Manual Manuel d'utilisateur télécharger pdf (Page 220)

Interfaces

216

Reverse Idle Phase: Set high in response to PtrClk (nAck) low pulse to re-enter reverse data

transfer phase. Is set high with 1284 Active (nSelectIn) being set low, the

1284 idle phase is being aborted and the interface returns to Compatibility

Mode.

Peripheral Logic High (+ 5V)

Set high to indicate that all other signals sourced by the printer are in valid state. Set low to indicate the

printer is off.

n.a. (nInit)

Compatibility Mode: Pulsed low in conjunction with 1284 Active low to reset the interface and

force to return to Compatibility Mode idle phase.

Negotiation Phase: Set HIGH.

Reverse Data Transfer

Phase:

Set HIGH.

1 2 ... 215 216 217 218 219 220 221 222 223 224 225 ... 233 234

Pas de commentaire

Compuprint 10200 Programmer Manual Manuel d'utilisateur Page 220