Citizen Systems CBM-270 user manual Timing Chart

CBM-270 User’s Manual

(1)Input signal level

All the input signals are at the TTL level. High level --- 2.0 V at minimum

Low level --- 0.8 V at maximum

(2)Output signal level

All the output signals are at the TTL level. High level --- 2.4 V at minimum

Low level --- 0.4 V at maximum

(3)Input and output conditions

The STROBE and RESET input signals are pulled up at 10kΩ, and the other input signals at 50kΩ, respectively.

[Printer Side] [Host Side]

All the output signals are pulled up at 50kΩ.

[Printer Side] [Host Side]

6.3.3Timing Chart

Data Input and Print Timings