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PC87393 Datenblatt(PDF) 17 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer PC87393
Bauteilbeschribung  100-Pin LPC SuperI/O Devices for Portable Applications
PDF  148 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87393 Datenblatt(HTML) 17 Page - National Semiconductor (TI)

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1.0 Signal/Pin Connection and Description (Continued)
17
www.national.com
1.4
PARALLEL PORT MULTIPLEXER (PPM)
The Floppy Disk Controller (FDC) signals in Table 3 are directed to the associated Parallel Port (PP) pins either when the
PNF signal is low and bits 6-5 of the SuperI/O Configuration 5 register (SIOCF5) are set to 01, or when the PNF signal is
high and bits 6-5 are set to 10.
Table 3. FDC Signals on Parallel Port Pins
Parallel Port Pin
FDC Signal
PD0
INDEX
PD1
TRK0
PD2
WP
PD3
RDATA
PD4
DSKCHG
PD5
MSEN0
PD6
DRATE0
PD7
MSEN1
SLIN_ASTRB
STEP
AFD_DSTRB
DENSEL/DRATE1
INIT
DIR
ACK
DR1
ERR
HDSEL
SLCT
WGATE
PE
WDATA
BUSY_WAIT
MTR1



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