參數(shù)資料
型號(hào): ISP1520BD
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, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 17/51頁
文件大?。?/td> 259K
代理商: ISP1520BD
Philips Semiconductors
ISP1520
Hi-Speed USB hub controller
Product data
Rev. 02 — 04 May 2004
17 of 51
9397 750 11689
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
Table 11:
Configuration method
Internal ROM
External EEPROM
External microcontroller
Configuration method
SCL
ground
2.2 to 4.7 k
pull-up
driven LOW by the
microcontroller during reset
SDA
ground
2.2 to 4.7 k
pull-up
2.2 to 4.7 k
pull-up
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
20
15
00
02
-
-
-
-
-
-
-
00
Philips Semiconductors vendor ID
ISP1520 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]
reserved
-
FF
-
06
two language ID support
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