I/O Signals - Citizen iDP-3210 User Manual

6.1.3 I/O SIGNALS

(1) Input Signals to the Printer
l
DATA
l
STB
l
RESET
(2) Output Signals from Printer
l
ACK
l
BUSY
l
FAULT
l
PE
l
Drawer Switch Output
(3) Power supply
l
+5 V DC
l
GND
CITIZEN
: 8-bit parallel signal (positive logic)
: Strobe signal to read 8-bit data (negative logic)
: Signal to reset the entire printer (negative logic) 1m sec or more
: An 8 bit data request signal. Pulse signal output at the end of
the BUSY signal. (negative logic)
: The signal to indicate BUSY state of the printer. Input new data for "LOW".
(positive logic)
: The signal which is made "LOW" when the printer is in alarm state. All the
control circuits inside the printer are stopped at this time.(negative logic)
: The signal which is output when paper runs out or goes scarce. (positive logic)
: With the switch open, this signal goes "HIGH". When shorting, this goes
"LOW".
: This is 5V pulled up by a 3.3k Ohm resistor.
: This is the common ground for the circuit.
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iDP-3210 User's Manual