Compuprint 10200 Programmer Manual Manual do Utilizador descarregar pdf (Página 221)

Interfaces

217

nDataAvail (NFault)

Compatibility Mode: Set low to indicate that an internal printer error has occurred.

Negotiation Phase: Set high to acknowledge 1284 compatibility. In Nibble or Byte Mode it is

then set low to indicate printer-to-host data is available following host

setting HostBusy (nAutoFd) high.

Nibble Mode: Set low to indicate that printer is ready to send to host.

Then used to send data bits 0 then 4.

Reverse Data Transfer

Phase:

Byte Mode: Used to indicate that data is available.

Reverse Idle Phase: Used to indicate that data is available.

nDataAvail (NFault)

Compatibility Mode: Set low to indicate that an internal printer error has occurred.

Negotiation Phase: Set high to acknowledge 1284 compatibility. In Nibble or Byte Mode it is

then set low to indicate printer-to-host data is available following host

setting HostBusy (nAutoFd) high.

Nibble Mode:

Set low to indicate that printer is ready to send to

host. Then used to send data bits 0 then 4.

Reverse Data Transfer

Phase:

Byte Mode:

Used to indicate that data is available.

Reverse Idle Phase: Used to indicate that data is available

1 2 ... 216 217 218 219 220 221 222 223 224 225 226 ... 233 234

Sem comentários

Compuprint 10200 Programmer Manual Manual do Utilizador Página 221