FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 16

• Manufacturer Part Number: FDC37C669_07
• Description: PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
• Manufacturer: SMSC [SMSC Corporation]

nDACK_A-C
DRQ_A-C
IOCHRDY
IRQ_C-F
A0-A10
RESET
D0-D7
IRQIN
nIOW
IRQA
nIOR
nCS
AEN
TC
INTERFACE
HOST
Vcc (2)
CPU
5 V
14.318
CLOCK
FIGURE 1 - FDC37C669 BLOCK DIAGRAM
Vss (4)
CLOCK
GEN
nDSKCHG
nWGATE
nWRPRT
nINDEX
nTRK0
ADDRESS BUS
MANAGEMENT
82077 COMPATIBLE
POWER
PWRGD
PROPRIETARY
CONTROLLER
FLOPPYDISK
VERTICAL
DRVDEN0
DRVDEN1
DRV2(nADRX)(IRQB)
nSTEP
SMSC
CORE
nDIR
CONFIGURATION
CONTROL BUS
REGISTERS
nMTR0,1,2
nDS0,1,2
DATA BUS
WCLOCK
WDATA
RCLOCK
RDATA
16
nWDATA nRDATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
COMPATIBLE
COMPATIBLE
PORT 2 WITH
MULTI-MODE
INTERFACE
GAME
PORT
DECODER
PURPOSE
ADDRESS
DECODER
GENERAL
INFRARED
PARALLEL
PORT/FDC
16C550
SERIAL
PORT 1
16C550
SERIAL
MUX
IDE
nDSR1, nDCD1, nRI, nDTR1
nGAMECS
TXD2(IRTX),nCTS2,nRTS2
PD0-7
BUSY, SLCT, PE,
nERROR, nACK
nSTROBE, nSLCTIN,
nINIT, nAUTOFD
ADRX
TXD1, nCTS1, nRTS1
RXD1
RXD2(IRRX)
nDSR2,nDCD2,nRI2,nDTR2
nHDCSO(IRRX2)
nIDEEN(IRQH)
nHDCS1(IRTX2)