參數(shù)資料
型號(hào)： USB97C202-MN-05
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 總線控制器
英文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP100
封裝： 12 X 12 MM, 1.40 MM HEIGHT, STQFP-100
文件頁數(shù)： 20/20頁
文件大?。?/td> 343K
代理商： USB97C202-MN-05
USB 2.0 ATA/ATAPI Controller
Datasheet
SMSC USB97C202
Page 9
Revision 1.6 (11-05-04)
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.
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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