FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 108

• Manufacturer Part Number: FDC37B727-NS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37B727-NS

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Refer to Force Write Protect in the Floppy Disk Controller section for information on the Floppy disk
Controller Force Write Protect function.
Note 1: These pins are outputs in mode PPFD2, inputs in mode PPFD1.
SPP MODE
nSTROBE
nERROR
nSLCTIN
BUSY
nACK
SLCT
nALF
nINIT
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE
TABLE 46 - FDC PARALLEL PORT PINS
PIN DIRECTION
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
108
FDC MODE
nDSKCHG
DRVDEN0
nWDATA
nWGATE
nRDATA
(nMTR0)
nHDSEL
nINDEX
nMTR1
(nDS0)
nSTEP
nTRK0
nDS1
nWP
nDIR
-
-
PIN DIRECTION
I/(O) Note1
I/(O) Note1
O
O
O
O
O
O
O
O
I
I
I
I
I
-
-