參數(shù)資料
型號： ISP1760
廠商： NXP Semiconductors N.V.
英文描述： Hi-Speed Universal Serial Bus host controller for embedded applications
中文描述： 高速嵌入式應用的通用串行總線主控制器
文件頁數(shù)： 30/105頁
文件大?。?/td> 449K
代理商： ISP1760
9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
30 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
[1]
For details on register bit description, refer to Enhanced Host Controller Interface Specification for Universal
Serial Bus Rev. 1.0
8.2 EHCI operational registers
8.2.1
USBCMD register (R/W: 0020h)
The USB Command (USBCMD) register indicates the command to be executed by the
serial Host Controller. Writing to this register causes a command to be executed.
Table 12
shows the USBCMD register bit allocation.
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
23
22
21
20
19
18
17
16
reserved
0
R
15
0
R
14
0
R
13
0
R
12
0
R
11
0
R
10
0
R
9
0
R
8
EECP[7:0]
0
R
7
0
R
6
0
R
5
0
R
4
0
R
3
0
R
2
0
R
1
0
R
0
IST[3:0]
reserved
0
R
ASPC
1
R
PFLF
1
R
64AC
0
R
1
R
0
R
0
R
0
R
Table 11:
Bit
31 to 16
15 to 8
HCCPARAMS register: bit description
Symbol
Description
[1]
-
reserved; write logic 0
EECP[7:0]
EHCI Extended Capabilities Pointer
: Default = implementation
dependent. This optional field indicates the existence of a capabilities list.
IST[3:0]
Isochronous Scheduling Threshold
: Default = implementation
dependent. This field indicates, relative to the current position of the
executing Host Controller, where software can reliably update the
isochronous schedule.
-
reserved; write logic 0
ASPC
Asynchronous Schedule Park Capability
: Default = implementation
dependent. If this bit is set to logic 1, the Host Controller supports the park
feature for high-speed queue heads in the Asynchronous Schedule.
PFLF
Programmable Frame List Flag
: Default = implementation dependent. If
this bit is cleared, the system software must use a frame list length of
1024 elements with this Host Controller.
If PFLF is set, the system software can specify and use a smaller frame
list and configure the host through the FLS field of the USBCMD register.
64AC
64-bit Addressing Capability
: This field contains the addressing range
capability.
7 to 4
3
2
1
0
相關PDF資料
PDF描述
ISP1761 Hi-Speed Universal Serial Bus On-The-Go controller
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相關代理商/技術參數(shù)
參數(shù)描述
ISP1760BE 制造商:NXP Semiconductors 功能描述:CONTROLLER USB HOST SMD LQFP128 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP
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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1760BE518 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP
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