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參數資料
型號: ISP1561BM
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: ISP1561BM
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件頁數: 58/102頁
文件大小: 2875K
代理商: ISP1561BM
Philips Semiconductors
ISP1561
USB PCI host controller
Product data
Rev. 01 — 06 February 2003
58 of 102
9397 750 10015
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
11.1.20
HcRhDescriptorB register (address: value read from func0 or func1 of address
10H
+
4CH)
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 with the system implementation. Reset
values are implementation-specific.
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
(PowerSwitchingMode) field specifies global or per-port
switching.
0 —
ports are power switched
1 —
ports are always powered on when the Host Controller is
powered on
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.
8
PSM
0 —
all ports are powered at the same time.
1 —
each port is powered individually. 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).
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.
7 to 0
NDP[7:0]
Table 79:
Bit
HcRhDescriptorA register: bit description
…continued
Symbol
Description
Table 80:
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
HcRhDescriptorB register: bit allocation
31
30
29
28
27
26
25
24
PPCM[15:0]
0
0
0
0
0
R
19
0
0
0
R/W
23
R/W
22
R/W
21
R/W
20
R/W
18
R/W
17
R/W
16
PPCM[7:0]
0
0
0
0
0
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
DR[15:8]
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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相關代理商/技術參數
參數描述
ISP1561BM,518 功能描述:USB 接口集成電路 USB 2.0 HOST CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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
ISP1561BM,551 功能描述:USB 接口集成電路 USB 2.0 HOST CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 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
ISP1561BM,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 數據速率: 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
ISP1561BMGA 功能描述:IC USB HOST CTRL HI-SPD 128LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN(6x6) 包裝:* 其它名稱:Q6396337A
ISP1561BMGE 功能描述:IC USB PCI HOST CTRLR 128-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN(6x6) 包裝:* 其它名稱:Q6396337A
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