FDC37C935-QS Standard Microsystems (SMSC), FDC37C935-QS Datasheet - Page 105

• Manufacturer Part Number: FDC37C935-QS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C935-QS

• Lead Free Status / RoHS Status: Supplier Unconfirmed

FDD Interface Pins
All pins in the FDD interface which can be
connected directly to the floppy disk drive itself
are
either
Table 45 - State of Floppy Disk Drive Interface Pins in Powerdown
DISABLED
MOTEN[0:3]
DRATE[0:1]
FDD Pins
WRDATA
or
DSKCHG
DENSEL
RDATA
DS[0:3}
HDSEL
DRV2
STEP
TRK0
INDX
WP
DIR
WE
TRISTATED.
Output Pins
Input Pins
State in Auto Powerdown
105
Pins used for local logic control or part
programming are unaffected. Table 45 depicts
the state of the floppy disk drive interface pins in
the powerdown state.
Tristated
Tristated
Tristated
Tristated
Active
Active
Active
Active
Active
Input
Input
Input
Input
Input
Input