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USB97C202 bảng dữ liệu(PDF) 9 Page - SMSC Corporation

tên linh kiện USB97C202
Giải thích chi tiết về linh kiện  USB 2.0 ATA/ATAPI Controller
PDF  19 Pages
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nhà sản xuất  SMSC [SMSC Corporation]
Trang chủ  http://www.smsc.com
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USB97C202 bảng dữ liệu(HTML) 9 Page - SMSC Corporation

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USB 2.0 ATA/ATAPI Controller
Datasheet
SMSC USB97C202
Page 9
Revision 1.6 (01-09-07)
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.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE Register
Address 1
IDE_SA1
O20
This pin is the register select address bit 1
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE Register
Address 0
IDE_SA0
O20
This pin is the register select address bit 0
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE Register
Address 2
IDE_SA2
O20
This pin is the register select address bit 2
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE Data
IDE_D15
IO20
This pin is the bi-directional data bus bit 15
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE IO Write
Strobe
IDE_nIOW
O20
This pin is active low write signal for the
ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE DMA
Acknowledge
IDE_nDACK
O20
This pin is the active low DMA acknowledge
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
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.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.
IDE Data
IDE_D14
IO20
This pin is the bi-directional data bus bit 14
signal for the ATA/ATAPI interface.
In part number USB97C202-MN-03 or later ROM
codes, this pin is high impedance when VBUS is
removed.



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