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USB97C202 Datasheet(PDF) 8 Page - SMSC Corporation

Part # USB97C202
Description  ATA/ATAPI CONTROLLER
PDF  17 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB97C202 Datasheet(HTML) 8 Page - SMSC Corporation

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USB 2.0 ATA/ATAPI Controller
Datasheet
SMSC USB97C202
Page 8
Revision 1.2 (02-04-04)
DATASHEET
Chapter 5 Pin Descriptions
Table 5.1 – USB97C202 Pin Descriptions
DISK DRIVE INTERFACE
IDE DMA
Request
IDE_DRQ
IS
This pin is the active high DMA request from
the ATA/ATAPI interface.
IDE IO Read
Strobe
IDE_nIOR
O20
This pin is the active low read signal for the
interface.
IDE Register
Address 1
IDE_SA1
O20
This pin is the register select address bit 1
signal for the ATA/ATAPI interface.
IDE Register
Address 0
IDE_SA0
O20
This pin is the register select address bit 0
signal for the ATA/ATAPI interface.
IDE Register
Address 2
IDE_SA2
O20
This pin is the register select address bit 2
signal for the ATA/ATAPI interface.
IDE Data
IDE_D15
IO20
This pin is the bi-directional data bus bit 15
signal for the ATA/ATAPI interface.
IDE IO Write
Strobe
IDE_nIOW
O20
This pin is active low write signal for the
ATA/ATAPI interface.
IDE DMA
Acknowledge
IDE_nDACK
O20
This pin is the active low DMA acknowledge
signal for the ATA/ATAPI interface.
IDE Interrupt
Request
IDE_IRQ
IS
This pin is the active high interrupt request
signal for the ATA/ATAPI interface.
IDE Data
IDE_D13
IO20
This pin is the bi-directional data bus bit 13
signal for the ATA/ATAPI interface.
IDE Data
IDE_D14
IO20
This pin is the bi-directional data bus bit 14
signal for the ATA/ATAPI interface.
.
IDE Chip
Select 0
IDE_nCS0
O20
This pin is the active low chip select 0 signal for
the ATA/ATAPI interface.
IDE Chip
Select 1 0
IDE_nCS1
O20
This pin is the active low select 1 signal for the
ATA/ATAPI interface.
IDE Data
IDE_D[0:12]
IO20
These pins are bits 0-12 of the ATA/ATAPI bi-
directional data bus.
IO Ready
IORDY
I
This pin is the active high IORDY signal from
the IDE drive.



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