Lexmark C762, C760 manual 8-13, Printer-to-Computer Communication Advanced Status, Interfaces

Models: C762 C760

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8-13

8-13 Table 8-2: Fastbytes Timing Sequence

Interfaces

Table 8-2shows all protocol timings in nanoseconds

Table 8-2: Fastbytes Timing Sequence

Time

Name

Minimum/Maximum

T1

Data setup to STROBE* low

400 min.

 

 

 

T2

STROBE* low to ACKNLG* low

0

 

 

 

T3

ACKNLG* low to STROBE* high

0

 

 

 

T4

STROBE* high to ACKNLG* high

0

 

 

 

T5

ACKNLG* high and BUSY low to STROBE* low

0

 

 

 

T6

ACKNLG* low to change data

50 min.

 

 

 

T7

STROBE* Timeout

500 min.

 

Max based on Auto Strobe Timer

 

 

 

 

T8

ACKNLG* width

400 min.

 

Equal to Data Setup Time

 

 

 

 

T9

ACKNLG* to BUSY Skew

+/ - 20 max.

 

 

 

T10

STROBE* high time

400 min.

 

Equal to Data Setup Time

 

 

 

 

Printer-to-Computer Communication (Advanced Status)

The printer has a standard IEEE 1284-B compliant connector and is an IEEE 1284-I compliant device. The optional RS-232C Serial/Parallel 1284-C Interface Card has an IEEE 1284-C compliant connector and is an IEEE 1284-I compliant device.

Your printer could be considered an IEEE 1284-II compliant device if the “C” to “B” style connector converter were used. The printer exceeds the maximum allowable circuit capacitance for Level II interfaces. Compliance with IEEE 1284-II may slow data flow control time slightly; however, all minimum and maximum criteria set forth in IEEE 1284 documentation will be met.

The printer supports:

Compatibility mode

Nibble mode

Byte mode

ECP mode

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Lexmark C762, C760 manual 8-13, Printer-to-Computer Communication Advanced Status, Interfaces, 2 Fastbytes Timing Sequence