4.3.7Floppy 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.

ETX-945 User Manual 1.00

www.diamondsystems.com

Page 25

Page 25
Image 25
Epson ETX-945 user manual Floppy drive interface

ETX-945 specifications

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