FDC37B78X datasheet(13/258 Pages) SMSC

Part #	FDC37B78X

Description	Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

PDF	258 Pages

Scroll/Zoom	100%

Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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13 / 258 page

FIGURE 2 - FDC37B78x BLOCK DIAGRAM

nDSR1, nDCD1, nRI1, nDTR1

TXD1

nINIT, nALF

HOST

CPU

MULTI-MODE

PARALLEL

PORT/FDC

MUX

16C550

COMPATIBLE

SERIAL

PORT 1

16C550

COMPATIBLE

SERIAL

PORT 2 WITH

INFRARED

CONFIGURATION

REGISTERS

POWER

MANAGEMENT

INTERFACE

CONTROL BUS

ADDRESS BUS

DATA BUS

nIOR

nIOW

AEN

SA[0:15]

SD[O:7]

DRQ[0:3]

nDACK[0:3]

IRQ[1,3-12,14]

RESET_DRV

nINDEX

nTRK0

nDSKCHG

nWRPRT

nWGATE

DENSEL

nDIR

nSTEP

nHDSEL

nDS0,1

nMTR0,1

RDATA

RCLOCK

WDATA

WCLOCK

nWDATA

nRDATA

TXD2(IRTX)

RXD2(IRRX)

nDSR2, nDCD2, nRI2, nDTR2

RXD1

PD0-7

BUSY, SLCT, PE,

nERROR, nACK

nSTB, nSLCTIN,

SMSC

PROPRIETARY

82077

COMPATIBLE

VERTICAL

FLOPPYDISK

CONTROLLER

CORE

DIGITAL

DATA

SEPARATOR

WITH WRITE

PRECOM-

PENSATION

IOCHRDY

BIOS

BUFFER

nROMOE*

nROMCS*

RD[0:7]*

GENERAL

PURPOSE

I/O

GP1[0:7]*

IRRX

8042

RTC

KCLK

KDATA

MCLK

MDATA

P20, P21

XTAL1,2

VBAT

DRVDEN0

DRVDEN1

*Multi-Function I/O Pin - Optional

P17*

GP5[0,2:4]*

GP6[0:7]*

SOFT

POWER

MANAGEMENT

PME/

ACPI

nPowerOn

Button_In

nSMI*

Vcc

PME#/SCI

SERIAL

IRQ

SER_IRQ

PCI_CLK

Vss

CLOCK

GEN

CLOCKI

(14.318)

CLK32OUT

nSMI

Vtr

nCTS2, nRTS2

IRTX

nCTS1, nRTS1

FDC37B78X Datasheet(PDF) 13 Page - SMSC Corporation

FDC37B78X Datasheet(HTML) 13 Page - SMSC Corporation

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