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Teilenummer | PL2775 |
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Beschreibung | SuperSpeed USB 3.0 to Dual SATA Bridge Controller | |
Hersteller | Prolific | |
Logo | ||
Gesamt 17 Seiten PL2775 SuperSpeed USB 3.0 to Dual
SATA Bridge Controller
Product Datasheet
Document Revision: 1.0
Document Release: January 26, 2011
Prolific Technology Inc.
7F, No. 48, Sec. 3, Nan Kang Rd.
Nan Kang, Taipei 115, Taiwan, R.O.C.
Tel: 886-2-2654-6363
Fax: 886-2-2654-6161
Email: [email protected]
URL: http://www.prolific.com.tw
1.3 Target Applications
USB 3.0 to SATA RAID0/RAID1/BIG Application
USB 3.0 to SATA JBOD mode Application
Revised Date:
January 26, 2011
ds_PL2775_v1.0
Figure 1-1 PL2775 RAID 0/RAID 1/BIG Mode Application
Figure 1-2 PL2775 JBOD Application
PL2775 Product Datasheet
-6-
Document Version 1.0
6 Page Revised Date:
January 26, 2011
ds_PL2775_v1.0
From byte 16 to byte 230 are used for USB string descriptors. The String Descriptor table is a linked
data structure that holds all string descriptors recognized by this chip in the order of its index. The first
entry, String 0, represents the Language ID, as defined by the USB specification. The second entry,
String 1, is the Manufacturer Descriptor, as defined by the Device Descriptor. The third and forth
entries, String 2 and 3, are the Product Descriptor and Serial Number, respectively, also defined by
the Device Descriptor. The user has the option to define String 4, 5, and 6 for their own private use.
Each of these String Descriptor Entries is of the following data structure:
Table 4-2 String Descriptor Data Structure
Offset
Field
Size
Value
0 bLength
1 Length of the string plus 2, i.e. (N + 2).
1 bDescriptorType 1 03h – STRING Descriptor type.
2 bString
N UNICODE encoded string.
Note
The last entry of this table must have a bLength of 0 to indicate the end of this table. A zero-length
data will be returned if the host tries to access to the string descriptor beyond the last one.
The following table shows one example of valid EEPROM contents:
Offset
0:1
2:3
4:5
6:7
8
9
15:10
16
17
19:18
20
21
69:22
70
71
Table 4-3 Example of Valid EEPROM Contents
Content
Check Word – 0x067B
Vendor ID – 0x067B
Product ID – 0x2775
Device Release Number – 0x0100
Constant
Note
0x04
0x03
0x0409
0x32
0x03
„X‟, 0x00, „X‟, 0x00, „X‟, 0x00, „ „, 0x00, „T‟, 0x00,
„e‟, 0x00, „c‟, 0x00, „h‟, 0x00, „n‟, 0x00, „o‟, 0x00, „l‟,
0x00, „o‟, 0x00, „g‟, 0x00, „y‟, 0x00, „ „, 0x00, „I‟,
0x00, „n‟, 0x00, „c‟, 0x00, „.‟ , 0x00
0x34
0x03
String Index 0 (4 Bytes)
Language ID for English (United
States).
String Index 1 (50 Bytes)
“XXX Technology Inc.” –
manufacturer description.
0x00 is padded for UNICODE.
String Index 2 (52 Bytes)
PL2775 Product Datasheet
- 12 -
Document Version 1.0
12 Page | ||
Seiten | Gesamt 17 Seiten | |
PDF Download | [ PL2775 Schematic.PDF ] |
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