FDC37C666GT(1994) Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC37C666GT
(Rev.:1994)

High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers

SMSC -> Microchip 

nIOR

nIOW

AEN

A0-A9

DO-D7

FDRQ

nDACK

TC

IRQ3

IRQ4

PINTR

PINTR2

FINTR

RESET

PDRQ

PDACK

A10

IOCHRDY

Vcc (2)

Vss (4)

PWRGD

nGAMECS

(FDC37C665GT only) (FDC37C666GT only)

POWER

MANAGEMENT

DECODER

DATA BUS

ADDRESS BUS

CONFIGURATION

REGISTERS

HOST

CPU

INTERFACE

CONTROL BUS

WDATA

WCLOCK

SMSC

PROPRIETARY

82077 COMPATIBLE

VERTICAL

FLOPPYDISK

CONTROLLER

CORE

DIGITAL

DATA

SEPARATOR

WITH WRITE

PRECOM-

PENSATION

RCLOCK

RDATA

CLOCK

GEN

SERIAL

CLOCK CLK 1 CLK2

nINDEX DENSEL nDS0,1,2,3

nTRK0

nDIR nMTR0,1,2,3

nDSKCHG nSTEP

nWDATA nRDATA

nWRPRT DRATE0

nWGATE DRATE1

nHDSEL

PDIR

MULTI-MODE

PARALLEL

PORT/FDC

MUX

PD0-7

BUSY, SLCT, PE,

nERROR, nACK

nSTROBE, nSLCTIN,

nINIT, nAUTOFD

16C550

COMPATIBLE

SERIAL

PORT 1

TXD1, nCTS1, nRTS1

RXD1

nDSR1, nDCD1,

nRI1, nDTR1

16C550

COMPATIBLE

SERIAL

PORT 2

TXD2, nCTS2, nRTS2

RXD2

nDSR2, nDCD2,

nRI2, nDTR2

IDE

INTERFACE

nIDEENLO, nIDEENHI

IDED7

nHDCS0, nHDCS1

nIOCS16

FIGURE 1 - FDC37C665GT/FDC37C666GT BLOCK DIAGRAM

20

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