2- Reverse Mode (Data Transmission From The Printer To The Host System); Fig. 10. - Timing Diagram Of Data Reception - Fenix EPC1200 Operation Manual

If1200 interface and ptr2 stand-alone printer
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c) Timing diagram of data reception
Description
Data hold time
Data setup time
STROBE pulse width
READY cycle idle time
BUSY output delay time
Data processing time
ACKNLG pulse width
BUSY release time
ACK cycle idle time

4.4.2- Reverse mode (Data transmission from the printer to the host system)

The transmission of the printer status to the host system is implemented according to the
IEEE1284 standard (NIBBLE MODE).

Fig. 10. - Timing diagram of data reception

Symbol
tHold
tSetup
tSTB
tReady
tBUSY
tReply
tACK
tnBUSY
tNext
Table 2. - Timing of parallel communication protocol
EPC1200 SERIES OPERATION MANUAL
Specification
Min(ns)
Max(ns)
750
--
750
--
750
--
0
--
0
500
0
500
10μs
0
0
--
15/56

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