USB97C202 ETC, USB97C202 Datasheet - Page 8

• Manufacturer Part Number: USB97C202
• Description: ATA/ATAPI CONTROLLER
• Manufacturer: ETC

Chapter 5
SMSC USB97C202
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
Pin Descriptions
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
Table 5.1 – USB97C202 Pin Descriptions
DATASHEET
DISK DRIVE INTERFACE
IO20
IO20
IO20
IO20
O20
O20
O20
O20
O20
O20
O20
O20
IS
IS
I
Page 8
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.
USB 2.0 ATA/ATAPI Controller
Revision 1.2 (02-04-04)
Datasheet