FDC37C665GT_07 SMSC [SMSC Corporation], FDC37C665GT_07 Datasheet - Page 20

• Manufacturer Part Number: FDC37C665GT_07
• Description: High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
• Manufacturer: SMSC [SMSC Corporation]

IOCHRDY
PINTR2
RESET
PDACK
DO-D7
PINTR
A0-A9
FDRQ
nDACK
FINTR
PDRQ
IRQ3
IRQ4
nIOW
nIOR
AEN
TC
A10
INTERFACE
HOST
CPU
FIGURE 1 - FDC37C665GT/FDC37C666GT BLOCK DIAGRAM
Vcc (2)
CLOCK CLK 1 CLK2
SERIAL
CLOCK
Vss (4)
GEN
(FDC37C665GT only) (FDC37C666GT only)
nDSKCHG
nWGATE
nWRPRT
nINDEX
nTRK0
ADDRESS BUS
MANAGEMENT
82077 COMPATIBLE
PWRGD
POWER
PROPRIETARY
CONTROLLER
FLOPPYDISK
VERTICAL
DENSEL
DRATE0
DRATE1
nHDSEL
SMSC
CORE
nSTEP
nDIR
CONFIGURATION
CONTROL BUS
REGISTERS
nMTR0,1,2,3
nDS0,1,2,3
DATA BUS
DECODER
nGAMECS
WCLOCK
WDATA
RCLOCK
RDATA
20
nWDATA nRDATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
COMPATIBLE
COMPATIBLE
MULTI-MODE
INTERFACE
PORT/FDC
PARALLEL
PORT 1
16C550
SERIAL
PORT 2
16C550
SERIAL
MUX
IDE
nDSR1, nDCD1,
nRI1, nDTR1
TXD1, nCTS1, nRTS1
RXD1
TXD2, nCTS2, nRTS2
RXD2
nDSR2, nDCD2,
nRI2, nDTR2
PDIR
PD0-7
BUSY, SLCT, PE,
nERROR, nACK
nSTROBE, nSLCTIN,
nINIT, nAUTOFD
nIDEENLO, nIDEENHI
IDED7
nHDCS0, nHDCS1
nIOCS16