參數(shù)資料
型號： ISP1760BE
廠商： NXP SEMICONDUCTORS
元件分類： 總線控制器
英文描述： Hi-Speed Universal Serial Bus host controller for embedded applications
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝： 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-425-1, LQFP-128
文件頁數(shù)： 31/105頁
文件大小： 449K
代理商： ISP1760BE
9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
31 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
[1]
The reserved bits should always be written with the reset value.
[1]
For details on register bit description, refer to Enhanced Host Controller Interface Specification for Universal
Serial Bus Rev. 1.0
8.2.2
USBSTS register (R/W: 0024h)
The USB Status (USBSTS) register indicates pending interrupts and various states of the
Host Controller. The status resulting from a transaction on the serial bus is not indicated in
this register. Software clears the register bits by writing ones to them. The bit allocation is
given in
Table 14
.
Table 12:
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
USBCMD register: bit allocation
31
30
29
28
27
26
25
24
reserved
[1]
0
0
0
0
0
0
0
0
R/W
23
R/W
22
R/W
21
R/W
20
R/W
19
R/W
18
R/W
17
R/W
16
ITC[7:0]
0
0
0
0
1
0
0
0
R/W
15
R/W
14
R/W
13
R/W
12
R/W
11
R/W
10
R/W
9
R/W
8
reserved
[1]
0
0
0
0
0
0
0
0
R/W
7
LHCR
0
R/W
R/W
6
R/W
5
R/W
4
R/W
3
R/W
2
R/W
1
R/W
0
RS
0
R/W
reserved
[1]
0
R/W
HCRESET
0
R/W
0
0
0
0
R/W
R/W
R/W
R/W
Table 13:
Bit
31 to 24
23 to 16
USBCMD register: bit description
Symbol
Description
[1]
-
reserved; write logic 0
ITC[7:0]
Interrupt Threshold Control
: This field is used by the system software to
select the maximum rate at which the Host Controller will issue interrupts.
-
reserved
LHCR
Light Host Controller Reset
(optional): If implemented, it allows the
driver software to reset the EHCI controller without affecting the state of
the ports or the relationship to the companion Host Controllers. If not
implemented, a read of this field will always return logic 0.
-
reserved
HCRESET
Host Controller Reset
: This control bit is used by the software to reset
the Host Controller.
RS
Run/Stop
: 1 = Run, 0 = Stop. When set, the Host Controller executes the
schedule.
15 to 8
7
6 to 2
1
0
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ISP1760BE,518 功能描述:輸入/輸出控制器接口集成電路 USB HOST CONTROLLER RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
ISP1760BE,551 功能描述:輸入/輸出控制器接口集成電路 USB HS HOST CONTRLLR RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
ISP1760BE,557 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
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