Chapter 2 Operating Principles
2-4. Interface
2-51 CL-S400DT
[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.
[Timing relationship between BUSY and ACK]
BUSY
PRIME
SELECT
10~15µsec or more
Ack
Fault
About 2 µsec
BUSY
ACK
Center
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