USB97CFDC2-01 Ver la hoja de datos (PDF) - SMSC -> Microchip
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USB97CFDC2-01 Datasheet PDF : 24 Pages
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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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