USB2005 SMSC Corporation, USB2005 Datasheet - Page 15

• Manufacturer Part Number: USB2005
• Description: USB 2.0 ATA/ATAPI Controller
• Manufacturer: SMSC Corporation

USB 2.0 ATA/ATAPI Controller with PD-DRM
Datasheet
Chapter 7 PD-DRM Usage & Description
SMSC USB2005
7.1
7.2
Byte 0: Operation Code
Byte 1: Logical Unit Number
Byte 2: Parameters 1
Byte 3: Parameters 2
Byte 4: Parameters 3
Byte 5: Control Field
SCSI Inquiry Command
SCSI Inquiry Response
BYTE #
The USB2005 is a USB 2.0 Mass Storage Class Peripheral Controller intended for use with standard
ATA-5 and -6 hard disk drives in media player applications requiring Portable Device – Digital Rights
Management (PD-DRM) as specified by Microsoft for Windows Media systems. This includes reporting
all media as removable drives and providing the drive serial number to the PC host via the SCSI
Inquiry command.
In accordance with the SCSI-2 specification the INQUIRY command has the format shown in
"SCSI INQUIRY Command Block"
When performing a device serial number query, the following fields must be programmed as follows:
EVPD = 1, and Page Code = 80h
In accordance with the SCSI-2 specification the response to INQUIRY command has the format shown
in
Table 7.2, "Data Buffer Returned for Device Serial Number
0
1
2
3
4
n
Table 7.2 Data Buffer Returned for Device Serial Number Query
Table 7.1 SCSI INQUIRY Command Block
12h
LUN
Page Code
Reserved
Allocation Length
Vendor Specific
Peripheral Qualifier
Page Code (80h)
Reserved
Page Length (n-3)
Device serial number
BIT 7
BIT 7
BIT 6
BIT 6
DATASHEET
15
Reserved
BIT 5
BIT 5
Reserved
Device Type Code
BIT 4
BIT 4
Query".
BIT 3
BIT 3
BIT 2
BIT 2
Revision 0.2 (01-16-07)
Flag
BIT 1
BIT 1
Table 7.1,
EVPD
Link
BIT 0
BIT 0