Timing Chart; Data Receiving Control; Buffering - Citizen CBM-272 User Manual

[Printer Side]
6.3.3

Timing Chart

Data Input and Print Timings
Power
DATA
STB
T1
T6
T4
BUSY
ACK
T5
6.3.4

Data Receiving Control

The data can be received from the host when the BUSY signal is at "Low," but
cannot be received when it is "High."
6.3.5

Buffering

The host side is immediately freed, because 2 KB data can be buffered.
Vdd
Twist Pair Wire
T2
T3
T , T , T
1 2 3
T
4
T
5
T
6
— 37 —
[Host Side]
0.5 µs MIN
270 ns MAX
2.3 µs TYP
500 ms MIN (At power-on)