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USB97CFDC2-01 Datasheet(PDF) 7 Page - SMSC Corporation

Part # USB97CFDC2-01
Description  USB Floppy Disk Controller
Download  24 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB97CFDC2-01 Datasheet(HTML) 7 Page - SMSC Corporation

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SMSC DS – USB97CFDC2-01
Page 7
Rev. 02-27-07
DATASHEET
4
BLOCK DIAGRAM
8051 CPU
8237
4k Data Buffer RAM
Memory
Management
Unit
Map RAM
Arbiter
SIE DMA
RX/TX
Queue
End Point
Control
Serial Interface Engine
GPIO
FD[7:0]/OPT[3:0]
/IN0/OUT[2:0]
nFRD
nFCE
Drive
Control
Flash/
SRAM
Interface
IRQ0
SD[7:0]
SA[13:0]
nIOW
nIOR
nMEMW
nMEMR
High Speed
USB
XCVR
To USB Bus
FA[15:0]
FLOPPY DISK
CONTROLLER
DRQ2
TC
nDAK2
ADDRESS
DECODE
nCE
AEN
SRAM
Interface
nTRK0, nINDEX,
nWRTPRT, nDSKCHG
nRDATA, DRVDEN0,
DRVDEN1, nWDATA,
nWGATE, nHDSEL,
nDIR, nMTR0, nDS0,
nSTEP
DRIVE
INTERFACE
CLOCK
CONTROL
nHDO
nDRVRDY
nFDPWR
32K Byte
Program ROM
ROMEN


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