FDC37B80X SMSC [SMSC Corporation], FDC37B80X Datasheet - Page 11

• Manufacturer Part Number: FDC37B80X
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

SA[0:12] (nCS)
RESET_DRV
nDACK[1:3]
IOCHRDY
SA[13-15]
SER_IRQ
PCI_CLK
DRQ[1:3]
SD[O:7]
nIOW
nIOR
AEN
TC
*
*
*
*
V
INTERFACE
TR
HOST
SERIAL
CPU
IRQ
Vcc Vss
SMI
FIGURE 1 - FDC37B80x BLOCK DIAGRAM
CLOCK
CLOCKI
14MHz
GEN
nPME
PME
nDSKCHG
nWRPRT
nWGATE
nINDEX
nTRK0
ADDRESS BUS
WDT
PROPRIETARY
FLOPPYDISK
CONTROLLER
COMPATIBLE
VERTICAL
SMSC
DENSEL
CORE
nHDSEL
82077
nSTEP
nDIR
CONFIGURATION
CONTROL BUS
REGISTERS
DRVDEN0
DRVDEN1
nMTR0
nDS0
DATA BUS
WCLOCK
RCLOCK
WDATA
RDATA
11
nWDATAnRDATA
*
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
*
Denotes Multifunction Pins
MULTI-MODE
COMPATIBLE
COMPATIBLE
PORT 2 WITH
PORT/FDC
INFRARED
PARALLEL
16C550
SERIAL
SERIAL
16C550
PORT 1
8042
MUX
PD0-7
BUSY, SLCT, PE,
nERROR, nACK
nSTB, nSLCTIN,
nINIT, nALF
KCLK
KDATA
MCLK
MDATA
GATEA20, KRESET
P12
nDSR1, nDCD1, nRI1, nDTR1
TXD1, nCTS1, nRTS1
RXD1
IRRX, IRTX
TXD2(IRTX), nCTS2, nRTS2
RXD2(IRRX)
nDSR2, nDCD2, nRI2, nDTR2
*
, P16
*
*
*
*