PD0-7
MULTI-MODE
PARALLEL
PORT/FDC
MUX
BUSY, SLCT, PE,
nERROR, nACK
DATA BUS
SER_IRQ
PCI_CLK
SERIAL
IRQ
nSTB, nSLCTIN,
nINIT, nALF
ADDRESS BUS
nIOR
nIOW
CONFIGURATION
REGISTERS
TXD1, nCTS1, nRTS1
RXD1
16C550
COMPATIBLE
SERIAL
PORT 1
AEN
nDSR1, nDCD1, nRI1, nDTR1
CONTROL BUS
SA[0:11] (nCS)*
SA[12-15]*
SD[O:7]
HOST
IRRX, IRTX*
CPU
16C550
COMPATIBLE
SERIAL
PORT 2 WITH
INFRARED
WDATA
INTERFACE
*
TXD2(IRTX)*, nCTS2, nRTS2*
RXD2(IRRX)*
WCLOCK
SMSC
*
*
nDSR2, nDCD2*, nRI2, nDTR2*
DRQ[1:3]
nDACK[1:3]*
TC
PROPRIETARY
82077
COMPATIBLE
VERTICAL
FLOPPYDISK
CONTROLLER
DIGITAL
DATA
SEPARATOR
WITH WRITE
PRECOM-
PENSATION
CORE
KCLK
KDATA
RCLOCK
RDATA
RESET_DRV
IOCHRDY
MCLK
MDATA
8042
GATEA20, KRESET
*
P12, P16*
CLOCK
GEN
DENSEL
nDIR
nINDEX
nTRK0
nDS0,1
nMTR0,1
Vcc
Vss
nWDATA nRDATA
nDSKCHG
nWRPRT
nWGATE
nSTEP DRVDEN0
DRVDEN1*
ICLOCK
(14.318)
nHDSEL
*
Denotes Multifunction Pins
FIGURE 1 - FDC37M60x BLOCK DIAGRAM
10
SMSC [ SMSC CORPORATION ]
