Aaeon ECM-5716 Series User Manual

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Aaeon ECM-5716 Series User Manual Manual pdf 38 page image

ECM-5716 SeriesECM-5716 Series User’s Manual 253.7.7 Signal Description – Floppy Disk Connector (FLP)RDATA# The read data input signal from the FDD.WD# Write data. This logic low open drain writes pre-compensation serial data to the selectedFDD. An open drain output.WE# Write enable. An open drain output.MOA# Motor A On. When set to 0, this pin enables disk drive 0. This is an open drain output.MOB# Motor B On. When set to 0, this pin enables disk drive 1. This is an open drain output.DSA# Drive Select A. When set to 0, this pin enables disk drive A. This is an open drain output.DSB# Drive Select B. When set to 0, this pin enables disk drive B. This is an open drain output.SIDE1# This output signal selects side of the disk in the selected drive.DIR# Direction of the head step motor. An open drain outputLogic 1 = outward motionLogic 0 = inward motionSTEP# Step output pulses. This active low open drain output produces a pulse to move the head toanother track.DRVDEN0# This output indicates whether a low drive density (250/300kbps at low level) or a high drivedensity (500/1000kbps at high level) has been selected.TRAK0# Track 0. This Schmitt-triggered input from the disk drive is active low when the head ispositioned over the outermost track.INDEX# This Schmitt-triggered input from the disk drive is active low when the head is positionedover the beginning of a track marked by an index hole.WP# Write protected. This active low Schmitt input from the disk drive indicates that the diskette iswrite-protected.DSKCHG# Diskette change. This signal is active low at power on and whenever the diskette is removed.