Citizen CL-E700 Series

Chapter 2 Operating Principles
2-4. Interface
2-71 CL-E700 series
[While receiving data]
Note: BUSY goes to “High” at the falling edge of Strobe, and data is latched at the leading
edge of Strobe.
[While receiving PRIME signal]
Note: If the PRIME signal width is 10 µsec or less, it is not accepted.
BUSY goes to “High” when the PRIME signal is accepted by the printer.
Data0~7
BUSY
0.5µs
0.5µs
0.5µs
Strobe
BUSY
PRIME
SELECT
10~15µsec or more
Ack
Fault