Input And Output Signals - Citizen PPU-231 User Manual

6.3

Input and Output Signals

6.3.1 Input and Output Signals
(1) Input signals to the printer
• DATA
• STROBE
• RESET
(2) Output signals from the printer
• ACK
• BUSY
• FAULT
• PE
: 8-bit parallel signal (Active: "High")
: Strobe signal to read the 8-bit data (Active: "Low")
: Signal to reset the entire printer (Active: "Low"); 1 ms or more
: 8-bit data request signal. A pulse signal to be output at the end of the BUSY signal
(Active: "Low")
: Signal to indicate that the printer is busy. Input new data when it is "Low."
(Active: "High")
: Turned to "Low" when the printer has an alarm. At this time, all the control circuits in
the printer stop. (Active: "Low")
: Output if the printing paper has run out or is running out. (Active: "High")
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PPU-231 User's Manual
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