FDC37C669TQFP View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37C669TQFP

PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support

SMSC -> Microchip 

5V

Vcc (2)

Vss (4)

PWRGD

POWER

MANAGEMENT

nCS

nIOR

nIOW

AEN

A0-A10

D0-D7

DRQ_A-C

nDACK_A-C

TC

IRQA

IRQ_C-F

RESET

IRQIN

IOCHRDY

DATA BUS

ADDRESS BUS

CONFIGURATION

REGISTERS

HOST

CPU

INTERFACE

CLOCK

GEN

14.318

CLOCK

CONTROL BUS

WDATA

WCLOCK

SMSC

PROPRIETARY

82077 COMPATIBLE

VERTICAL

FLOPPYDISK

CONTROLLER

CORE

DIGITAL

DATA

SEPARATOR

WITH WRITE

PRECOM-

PENSATION

RCLOCK

RDATA

nINDEX nDIR nDS0,1,2

nTRK0 nSTEP nMTR0,1,2

nDSKCHG DRVDEN0

nWDATA nRDATA

nWRPRT DRVDEN1

nWGATE

DRV2(nADRX)(IRQB)

MULTI-MODE

PARALLEL

PORT/FDC

MUX

GENERAL

PURPOSE

ADDRESS

DECODER

PD0-7

BUSY, SLCT, PE,

nERROR, nACK

nSTROBE, nSLCTIN,

nINIT, nAUTOFD

ADRX

16C550

COMPATIBLE

SERIAL

PORT 1

TXD1, nCTS1, nRTS1

RXD1

nDSR1, nDCD1, nRI, nDTR1

16C550

COMPATIBLE

SERIAL

PORT 2 WITH

INFRARED

TXD2(IRTX),nCTS2,nRTS2

RXD2(IRRX)

nDSR2,nDCD2,nRI2,nDTR2

IDE

INTERFACE

nIDEEN(IRQH)

nHDCSO(IRRX2)

nHDCS1(IRTX2)

GAME

PORT

DECODER

nGAMECS

FIGURE 1 - FDC37C669 BLOCK DIAGRAM

16

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