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PPU-231 User’s Manual
30
CITIZEN
6.3.3 Timing Chart
Data Input and Print Timings
T
1
, T
2
, T
3
0.5 µs MIN
T
4
270 ns MAX
T
5
2.3 µs TYP
T
6
500 ms MIN (At power-on)
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 4 KB data can be buffered.