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參數(shù)資料
| 型號(hào)： | ISP1181 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full-speed Universal Serial Bus Interface Device(全速通用串行總線接口器件) |
| 中文描述： | 全速通用串行總線接口設(shè)備（全速通用串行總線接口器件） |
| 文件頁數(shù)： | 19/69頁 |
| 文件大小： | 1655K |
| 代理商： | ISP1181 |
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Philips Semiconductors
ISP1181
Full-speed USB interface
Objective specification
Rev. 01 — 13 March 2000
19 of 69
9397 750 06896
Philips Electronics N.V. 2000. All rights reserved.
4. To meet the ‘suspend’ current requirements for a bus-powered device, the
internal clocks must be switched off by clearing bit CLKRUN in the Hardware
Configuration Register.
5. When the firmware has set and cleared the GOSUSP bit in the Mode Register,
the ISP1181 enters ‘suspend’ state. In powered-off application, the ISP1181
asserts output SUSPEND and switches off the internal clocks after 2 ms.
11.1.1
Powered-on application
In powered-on application (PWROFF = 0 in the Hardware Configuration Register) the
power supply of the CPU and other parts of the circuit is not switched off. The CPU is
normally placed in low-power mode. The SUSPEND output of ISP1181 is normally
HIGH and pulses LOW for 10 ms upon a ‘resume’ condition. This signal can be used
to wake up the CPU. The signal timing is shown in
Figure 6
.
In powered-on application ISP1181 drives its output pins, while the inputs are driven
by the application. Bi-directional pins are placed in three-state and driven HIGH or
LOW by the application. A summary of appropriate pin states is given in
Table 12
.
[1]
‘Externally driven’ refers to logic outside the ISP1181.
Fig 6.
Suspend and resume timing for powered-on application.
handbook, full pagewidth
MGS780
WAKEUP
0.5 ms
10 ms
SUSPEND
Table 12: Pin states in powered-on application
Pin
Type
A0
I/O (three-state)
DATA[15:0]
I/O (three-state)
SUSPEND
O
WAKEUP
I
INT
O (three-state)
RESET
I
CS
I
RD
I
WR
I
XTAL1
I
CLKOUT
O (three-state)
Appropriate state
externally driven
[1]
to logic 0 or logic 1
depends on state of inputs RD and CS
ISP1181 drives logic 1
externally driven to logic 1
ISP1181 drives logic 0 or logic 1
externally driven to logic 1
externally driven to logic 0 or logic 1 (default: logic 1)
externally driven to logic 0 or logic 1 (default: logic 1)
externally driven to logic 1
externally driven to logic 1, if external oscillator is used
ISP1181 drives logic 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1181DGG | INDUCTOR 4.7NH +-.3NH 0402 SMD |
| ISP1183 | Low-power Universal Serial Bus interface device with DMA |
| ISP1183BS | Low-power Universal Serial Bus interface device with DMA |
| ISP1301 | Universal Serial Bus On-The-Go transceiver |
| ISP1301BS | Universal Serial Bus On-The-Go transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1181A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full-speed Universal Serial Bus peripheral controller |
| ISP1181ABS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full-speed Universal Serial Bus peripheral controller |
| ISP1181ABS,518 | 功能描述:USB 接口集成電路 USB 1.1 ADV DEVICE 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 |
| ISP1181ABS,551 | 功能描述:USB 接口集成電路 USB 1.1 ADVANCED DEVICE 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 |
| ISP1181ABS,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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