Seiko TM-L60 Manual do Operador descarregar pdf (Página 77)

3. Parallel interface timing chart

BUSY

Approx. 5 µs Approx. 5 µS

ACKNLG

STROBE

Reception of data is controlled by the ACKNLG or BUSY signal. The

BUSY signal gose “HIGH” depending on whether the receive buffer is

available or not as follows:

• During the period from when power is turned on to when the printer

initialization completes.

• During the self test printing

• During data entry

•

the OFF-LINE state

• in the receive buffer full state.

• in a mechanical error state.

NOTE: •

When the remaining space in the receive buffer is

10 bytes

less, the printer becomes “receive buffer full”.

• If the remaining space in the receive buffer is 0 byte, the received

data will be ignored.

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Seiko TM-L60 Manual do Operador Página 77