User`s manual

CBM-202PC-04 User’s Manual
22 CITIZEN
2) Gate Array Signals and Their Functions
Signal Pin No. I/O Function
STROBE 52 Input A signal to read in the data.(Negative logic)
D0 51
D1 50
D2 49
D3 48
D4 47
D5 46
D6 45
D7 44
Input Input data (Positive logic)
ACK 59 Output
A signal to indicate that the data has been read.
(Negative logic)
BUSY 55 Output
A signal to indicate that the data cannot be received.
(Positive logic) Send the data when at "LOW."
PE 61 Output
A signal to be output when the paper runs out.
(Positive logic)
FAULT 62 Output A signal to indicate a printer error. (Negative logic)
GND
3) Timing chart
T1, T2, T3 : 0.5 µs MIN
T4 : 270 ns MAX
T5 : 2.3 µs TYP
T6 : 500 ms MIN