參數(shù)資料
型號(hào): ISP1521BE
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Hi-Speed Universal Serial Bus hub controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80
文件頁(yè)數(shù): 19/53頁(yè)
文件大?。?/td> 270K
代理商: ISP1521BE
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
19 of 53
9397 750 13702
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.2.3
ROM or EEPROM map
Remark:
A 128-byte EEPROM supports one language ID only, and a 256-byte
EEPROM supports two language IDs.
9.2.4
ROM or EEPROM detailed map
Fig 8.
ROM or EEPROM map.
MLD714
Signature
00H
02H
10H
7FH
80H
FFH
0AH
Device Descriptor
String Descriptor
(first Language ID):
iManufacturer string
iProduct string
iSerial Number string
String Descriptor
(second Language ID):
iManufacturer string
iProduct string
iSerial Number string
Language ID
Table 12:
Address
(hex)
Signature descriptor
00
signature (low)
01
signature (high)
Device descriptor
02
idVendor (low)
03
idVendor (high)
04
idProduct (low)
05
idProduct (high)
06
bcdDevice (low)
07
bcdDevice (high)
08
RSV, iSN, iP, iM
ROM or EEPROM detailed map
Content
Default
(hex)
Example
(hex)
Comment
55
AA
-
-
signature to signify valid data comment
CC
04
21
15
00
02
-
-
-
-
-
-
-
00
Philips Semiconductors vendor ID
ISP1521 product ID
device release; silicon revision
increments this value
if all the three strings are supported, the
value of this byte is 39H
-
09
String descriptor Index 0 (language ID)
0A
bLength
[1]
0B
bDescriptorType
0C
wLANGID[0]
0D
0E
wLANGID[1]
0F
String descriptor Index 1 (iManufacturer)
[3]
10
bLength
reserved
-
FF
-
-
-
-
-
-
06
03
[2]
09
04
09
08
two language ID support
STRING
LANGID code zero (first language ID)
(English—USA in this example)
LANGID code one (second language ID)
(English—UK in this example)
-
2E
string descriptor length (manufacturer ID)
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