Ampro ReadyBoard 700 Reference Manual page 44

Chapter 3
Pin # Signal
13 SLCTIN
STEP*
14 AUTOFDX*
DRVENO
15 ERR*
HDSEL*
PINIT*
16
DIR*
17 PTSLCT
WGATE*
18 GND
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
25 GND
26 NC
Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic.
38
Description
Select In – This output signal to the printer is used to select the printer. I/O pin
in ECP/EPP mode.
Step – Low pulse for each track-to-track movement of the head.
Auto Feed* – This is a request signal into the printer to automatically feed one
line after each line is printed.
Floppy Drive Density Select 0 –
Error – This is a status output signal from the printer. A Low State indicates an
error condition on the printer.
Head Select – Selects side for Read/Write operations (0 = side 1, 1 = side 0)
Printer Initialize* – This signal used to Initialize printer. Output in standard
mode, I/O in ECP/EPP mode.
Direction – Head movement direction (0 = inward motion,
Printer Select – This is a status output signal from the printer. A High State
indicates it is selected and powered on.
Write Gate – Signal to the drive to enable current flow in the write head.
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Not Connected
Reference Manual
1 = outward motion).
ReadyBoard 700
Hardware