USB97CFDC2-01 SMSC Corporation, USB97CFDC2-01 Datasheet - Page 7

• Manufacturer Part Number: USB97CFDC2-01
• Description: USB Floppy Disk Controller
• Manufacturer: SMSC Corporation

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