FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 17

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

IOCHRDY
PINTR2
PDACK
RESET
DO-D7
PINTR
FDRQ
nDACK
FINTR
A0-A9
PDRQ
IRQ3
IRQ4
nIOW
AEN
nIOR
TC
A10
INTERFACE
3V/5V
V
HOST
IO
CPU
(1)
3 V
Vcc (2)
CLOCK CLK 1 CLK2
SERIAL
FIGURE 1 - FDC37C665IR BLOCK DIAGRAM
CLOCK
Vss (4)
GEN
nINDEX
nTRK0
nDSKCHG
nWRPRT
nWGATE
(FDC37C665IR only)
ADDRESS BUS
MANAGEMENT
82077 COMPATIBLE
PWRGD
POWER
PROPRIETARY
CONTROLLER
FLOPPYDISK
VERTICAL
DENSEL
DRATE0
DRATE1
nHDSEL
SMSC
CORE
nSTEP
nDIR
CONFIGURATION
CONTROL BUS
REGISTERS
nDS0,1,2,3
nMTR0,1,2,3
(FDC37C666IR only)
DATA BUS
17
WCLOCK
WDATA
RCLOCK
RDATA
nGAMECS
DECODER
nWDATA nRDATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
COMPATIBLE
COMPATIBLE
PORT 2 WITH
MULTI-MODE
INTERFACE
INFRARED
PARALLEL
PORT/FDC
16C550
SERIAL
PORT 1
16C550
SERIAL
MUX
IDE
TXD1, nCTS1, nRTS1
RXD1
TXD2(IRTX), nCTS2, nRTS2
RXD2(IRRX)
nDSR2, nDCD2, nRI2, nDTR2
nDSR1, nDCD1, nRI1, nDTR1
nIDEENLO, nIDEENHI
IDED7
nHDCS0, nHDCS1
nIOCS16
PD0-7
BUSY, SLCT, PE,
nERROR, nACK
nSTROBE, nSLCTIN,
nINIT, nAUTOFD