Sharp CE-515P - Page 16

{3) Connector signals and descriptions
I:\Lrn\"nber. Name Direction Description
Data strobe signal
1 DSTB Input Signal for reading data. When this signal is ““LOW"’
data (DATA 1--8) is read.
2 DATA 1 Data bus
! ~ input 8 bit data signal. When the data is “1,” this signal
9 DATA 8 is “HIGH.”
Acknowledge signal
— This signal is sent when the plotter completes read-
Output
10 ACKNLG ute ing data. |t can be used as a data request signal of
the plotter.
Busy signal
11 BUSY Output This signal indicates the processing status of the
plotter. When it is ““HIGH,"” no more input data
can be read.
12 SIGNAL GND - Signal Ground
13 SELECT Output This signal is always “HIGH’’ when the plotter is
powered on.
14 .
15 NC - Non-Connection
16 SIGNAL GND — Signal Ground
17 F.G. — Frame Ground
18 +5V — A power source of +5V used in the plotter.
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2 SIGNAL GND - Signal Ground
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Signal for initializing the plotter. When this signal
31 EXPRM Input falis from "“HIGH"” to “LOW,” initialization will
take place.
32 FAULT Output This signal is always "HIGH’* when the plotter is
powered on.
33
¢ NC — Non-Connection
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