FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 13

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

IRQ[1,3-12,14]
RESET_DRV
nDACK[0:3]
nPowerOn
IOCHRDY
Button_In
SER_IRQ
DRQ[0:3]
PCI_CLK
SA[0:15]
SD[O:7]
nIOW
nIOR
AEN
TC
Vcc
MANAGEMENT
MANAGEMENT
INTERFACE
POWER
POWER
HOST
SOFT
SERIAL
CPU
Vtr
IRQ
Vss
FIGURE 2 - FDC37B78x BLOCK DIAGRAM
PME#/SCI
PME/
ACPI
nDSKCHG
nWRPRT
nWGATE
nINDEX
nTRK0
ADDRESS BUS
PROPRIETARY
CONTROLLER
COMPATIBLE
FLOPPYDISK
nSMI
nSMI*
VERTICAL
DENSEL
nHDSEL
82077
CORE
nSTEP
SMSC
nDIR
CONTROL BUS
CONFIGURATION
13
DRVDEN0
DRVDEN1
nMTR0,1
nDS0,1
REGISTERS
DATA BUS
WCLOCK
WDATA
RCLOCK
RDATA
BUFFER
nWDATA
BIOS
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
nRDATA
*Multi-Function I/O Pin - Optional
nROMOE*
nROMCS*
RD[0:7]*
COMPATIBLE
MULTI-MODE
COMPATIBLE
PORT 2 WITH
PARALLEL
PORT/FDC
GENERAL
PURPOSE
SERIAL
INFRARED
16C550
PORT 1
CLOCK
16C550
SERIAL
8042
MUX
RTC
GEN
I/O
TXD1
RXD1
PD0-7
BUSY, SLCT, PE,
nERROR, nACK
nSTB, nSLCTIN,
nINIT, nALF
GP1[0:7]*
GP5[0,2:4]*
GP6[0:7]*
IRTX
IRRX
nDSR1, nDCD1, nRI1, nDTR1
TXD2(IRTX)
RXD2(IRRX)
nDSR2, nDCD2, nRI2, nDTR2
nCTS1, nRTS1
nCTS2, nRTS2
KCLK
KDATA
MCLK
MDATA
P20, P21
P17*
XTAL1,2
VBAT
CLK32OUT
CLOCKI
(14.318)