Epson ETX-945 - Manual (Page 25)

ETX-945 User Manual 1.02 www.diamondsystems.com Page 25
4.3.7 Floppy drive interface
These pins carry data and control information to/ from the board’s floppy drive controller, as indicated.
Signal Name Signal Function Direction
LPT/FLPY# Interface configuration input In
RESERVED Do not connect n/a
DENSEL Diskette data density select Out
INDEX# Index hole indicator In
TRK0# Track 0 indicator In
WP# Write-protect indicator In
RDATA# Read data from drive In
DSKCHG# Drive door opened indicator In
HDSEL# Head select 0/1 control Out
DIR# Step head step direction control Out
STEP# Step pulse control Out
DRV Drive select control Out
MOT# Drive motor activation control Out
WDATA# Write data to drive Out
WGATE# Write enable control Out
Note: These pins are shared with the board’s bidirectional parallel port function, under control of
the LPT/FLPY# input signal. When that signal is left unconnected or held high, the port is placed
in parallel-port mode.