FDC37B80X SMSC [SMSC Corporation], FDC37B80X Datasheet - Page 108
FDC37B80X
Manufacturer Part Number
FDC37B80X
Description
PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B80X.pdf
(194 pages)
- Current page: 108 of 194
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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 46 - State of Floppy Disk Drive Interface Pins in Powerdown
DRVDEN[0:1]
nDSKCHG
FDD PINS
nWPROT
nWDATA
nWGATE
nRDATA
nHDSEL
nINDEX
nMTR0
nSTEP
nTR0
nDS0
nDIR
OUTPUT PINS
Pins
INPUT PINS
STATE IN AUTO POWERDOWN
108
used for local logic control or part programming
are unaffected. Table 46 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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