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參數(shù)資料
| 型號： | ISP1562BE |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | Hi-Speed Universal Serial Bus PCI Host Controller |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-407-1, LQFP-100 |
| 文件頁數(shù)： | 55/98頁 |
| 文件大?。?/td> | 442K |
| 代理商： | ISP1562BE |
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9397 750 14223
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
55 of 98
Philips Semiconductors
ISP1562
USB PCI Host Controller
11.1.20
HcRhDescriptorB register
The HcRhDescriptorB register is the second of two registers describing the characteristics
of the Root Hub. The bit allocation is given in
Table 80
. These fields are written during
initialization to correspond to the system implementation. Reset values are
implementation-specific.
Table 79:
HcRhDescriptorA - Host Controller Root Hub Descriptor A register bit
description
Address: Value read from func0 or func1 of address 10h + 48h
Bit
Symbol
Description
31 to 24 POTPGT
[7:0]
must wait before accessing a powered-on port of the Root Hub. It is
implementation-specific. The unit of time is 2 ms. The duration is calculated
as POTPGT x 2 ms.
23 to 13 reserved
-
12
NOCP
NoOverCurrentProtection
: This bit describes how the overcurrent status
for Root Hub ports are reported. When this bit is cleared, the OCPM bit
specifies global or per-port reporting.
0 —
Overcurrent status is collectively reported for all downstream ports
1 —
No overcurrent protection supported.
11
OCPM
OverCurrentProtectionMode
: This bit describes how the overcurrent
status for Root Hub ports are reported. At reset, this fields reflects the same
mode as PowerSwitchingMode. This field is valid only if the NOCP bit is
cleared.
0 —
Overcurrent status is collectively reported for all downstream ports
1 —
Overcurrent status is reported on a per-port basis.
10
DT
DeviceType
: This bit specifies that the Root Hub is not a compound device.
The Root Hub is not permitted to be a compound device. This field should
always read logic 0.
9
NPS
NoPowerSwitching
: This bit is used to specify whether power switching is
supported or ports are always powered. It is implementation-specific. When
this bit is cleared, the PSM bit specifies global or per-port switching.
0 —
Ports are power switched
1 —
Ports are always powered on when the Host Controller is powered on.
8
PSM
PowerSwitchingMode
: This bit is used to specify how the power switching
of Root Hub ports is controlled. It is implementation-specific. This field is
only valid if the NPS field is cleared.
0 —
All ports are powered at the same time
1 —
Each port is individually powered. This mode allows port power to be
controlled by either the global switch or per-port switching. If the PPCM
(PortPowerControlMask) bit is set, the port responds only to port power
commands (Set/ClearPortPower). If the port mask is cleared, then the port
is controlled only by the global power switch (Set/ClearGlobalPower).
7 to 0
NDP[7:0]
NumberDownstreamPorts
: These bits specify the number of downstream
ports supported by the Root Hub. It is implementation-specific. The
minimum number of ports is 1. The maximum number of ports supported by
OHCI is 15.
PowerOnToPowerGoodTime
: This byte specifies the duration the HCD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1562BE,518 | 功能描述:USB 接口集成電路 USB 2.0 PCI HOST 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 |
| ISP1562BE,551 | 功能描述:USB 接口集成電路 USB 2.0 PCI HOST 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 |
| ISP1562BE,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 |
| ISP1562BEGA | 功能描述:IC USB HOST CTRL HI-SPD 100LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
| ISP1562BEGE | 功能描述:IC USB PCI HOST CTRLR 100-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
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