FDC37B787-NS Standard Microsystems (SMSC), FDC37B787-NS Datasheet - Page 112
FDC37B787-NS
Manufacturer Part Number
FDC37B787-NS
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.FDC37B787-NS.pdf
(249 pages)
Specifications of FDC37B787-NS
Pin Count
128
Lead Free Status / RoHS Status
Compliant
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FDD Interface Pins
All pins in the FDD interface which can be
connected directly to the floppy disk drive itself are
either DISABLED or TRISTATED.
TABLE 50 - STATE OF FLOPPY DISK DRIVE INTERFACE PINS IN POWERDOWN
DRVDEN[0:1]
nDSKCHG
FDD PINS
nWPROT
nWGATE
nWDATA
nRDATA
nHDSEL
nINDEX
nMTR0
nSTEP
nTR0
nDS0
nDIR
OUTPUT PINS
INPUT PINS
STATE IN AUTO POWERDOWN
115
Pins used for local logic control or part
programming are unaffected. TABLE 50 depicts
the state of the floppy disk drive interface pins in
the powerdown state.
Tristated
Tristated
Tristated
Tristated
Active
Active
Active
Active
Input
Input
Input
Input
Input
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