USB97CFDC2-01 查看數據表（PDF） - SMSC -> Microchip

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USB97CFDC2-01

USB Floppy Disk Controller

SMSC -> Microchip 

4 BLOCK DIAGRAM

ROMEN

32K Byte

Program ROM

FD[7:0]/OPT[3:0]

/IN0/OUT[2:0]

Flash/

SRAM

Interface

FA[15:0]

nFRD

nFCE

Drive

Control

nDRVRDY

nHDO

nFDPW R

GPIO

DRIVE

INTERFACE

nTRK0, nINDEX,

nWRTPRT, nDSKCHG

nRDATA, DRVDEN0,

DRVDEN1, nWDATA,

nWGATE, nHDSEL,

nDIR, nMTR0, nDS0,

nSTEP

To USB Bus

High Speed

USB

XCVR

Serial Interface Engine

CONTROL

CLOCK

SIE DMA

RX/TX

Queue

8051 CPU

End Point

Control

Arbiter

Memory

Management

Unit

Map RAM

8237

4k Data Buffer RAM

IRQ0

FLOPPY DISK

CONTROLLER

DRQ2

TC

nDAK2

nIOW

nIOR

nCE

ADDRESS

DECODE

AEN

SA[13:0]

nMEMW

nMEMR

SD[7:0]

SRAM

Interface

SMSC DS – USB97CFDC2-01

Page 7

DATASHEET

Rev. 02-27-07

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