Citizen PPU-231 Manual De Usuario

PPU-231 User’s Manual

 

 28 

CITIZEN

 

(1)  Input signals to the printer 

• DATA 

:  8-bit parallel signal (Active: “High”) 

• STROBE  :  Strobe signal to read the 8-bit data (Active: “Low”) 
• RESET 

:  Signal to reset the entire printer (Active: “Low”); 1 ms or more   

(2)  Output signals from the printer 

• ACK 

:  8-bit data request signal.    A pulse signal to be output at the end of the BUSY signal   

(Active: “Low”) 

• BUSY 

:  Signal to indicate that the printer is busy.    Input new data when it is "Low." 

(Active: “High”) 

• FAULT 

:  Turned to "Low" when the printer has an alarm.    At this time, all the control circuits in 

the printer stop. (Active: “Low”) 

• PE 

:  Output if the printing paper has run out or is running out. (Active: “High”)