USB2005_07 SMSC [SMSC Corporation], USB2005_07 Datasheet - Page 10

• Manufacturer Part Number: USB2005_07
• Description: USB 2.0 ATA/ATAPI Controller with PD-DRM
• Manufacturer: SMSC [SMSC Corporation]

Chapter 5 Pin Description
Revision 0.2 (01-16-07)
IDE DMA Request
IDE IO Read Strobe
IDE Register
Address 1
IDE Register
Address 0
IDE Register
Address 2
IDE Data
IDE IO Write Strobe
IDE DMA
Acknowledge
IDE Interrupt
Request
IDE Data
IDE Data
IDE Chip Select 0
IDE Chip Select 1 0
IDE Data
IO Ready
USB Bus Data
USB Transceiver
Filter
USB Transceiver
Bias
IDE_DRQ
IDE_nIOR
IDE_SA1
IDE_SA0
IDE_SA2
IDE_D15
IDE_nIOW
IDE_nDACK
IDE_IRQ
IDE_D13
IDE_D14
IDE_nCS0
IDE_nCS1
IDE_D[0:12]
IORDY
USB-
USB+
LOOPFLTR
RBIAS
Table 5.1 USB2005 Pin Descriptions
DISK DRIVE INTERFACE
USB INTERFACE
IS
IO20
IO20
IO20
O20
I
IO-U
O20
O20
O20
O20
O20
O20
IS
O20
IO20
DATASHEET
10
This pin is the active high DMA request from
the ATA/ATAPI interface.
This pin is the active low read signal for the
interface.
This pin is the register select address bit 1
signal for the ATA/ATAPI interface.
This pin is the register select address bit 0
signal for the ATA/ATAPI interface.
This pin is the register select address bit 2
signal for the ATA/ATAPI interface.
This pin is the bi-directional data bus bit 15
signal for the ATA/ATAPI interface.
This pin is active low write signal for the
ATA/ATAPI interface.
This pin is the active low DMA acknowledge
signal for the ATA/ATAPI interface.
This pin is the active high interrupt request
signal for the ATA/ATAPI interface.
This pin is the bi-directional data bus bit 13
signal for the ATA/ATAPI interface.
This pin is the bi-directional data bus bit 14
signal for the ATA/ATAPI interface.
This pin is the active low chip select 0 signal for
the ATA/ATAPI interface.
This pin is the active low select 1 signal for the
ATA/ATAPI interface.
These pins are bits 0-12 of the ATA/ATAPI bi-
directional data bus.
This pin is the active high IORDY signal from
the IDE drive.
These pins connect to the USB bus data
signals.
This pin provides the ability to supplement the
internal filtering of the transceiver with an
external network, if required.
A 9.09 Kohm precision resistor is attached from
ground to this pin to set the transceiver’s
internal bias currents.
USB 2.0 ATA/ATAPI Controller with PD-DRM
SMSC USB2005
Datasheet