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CBM-230/231 User’s Manual
19
CITIZEN
6.3.3 Timing Chart
(1) Data input and printing timing
T
1
,T
2
,T
3
0.5 MIN
T
4
270 ns MAX
T
5
TYP
T
6
500 ms MIN (at power on)
6.3.4 Data Receiving Control
When the BUSY signal is at LOW, the data from the host side can be received, but when at HIGH, it cannot be
received.
6.3.5 Buffering
A size of the input buffer can be selected by setting the DIP switch segment DS1-4. When a 4KB buffer is
selected, the host side is immediately free because a large amount of data can be buffered.