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參數(shù)資料
| 型號： | ISP1183 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low-power Universal Serial Bus interface device with DMA |
| 中文描述： | 低功耗通用串行總線與DMA接口設備 |
| 文件頁數(shù)： | 24/62頁 |
| 文件大?。?/td> | 295K |
| 代理商： | ISP1183 |
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Philips Semiconductors
ISP1183
Low-power USB interface device with DMA
Product data
Rev. 01 — 24 February 2004
24 of 62
9397 750 11804
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
12.2 Resume conditions
A wake-up from the suspend state is initiated either by the USB host or by the
application:
USB host
: drives a K-state on the USB bus (global resume)
Application
: remote wake-up through a HIGH level on input WAKEUP or a LOW
level on input CS_N (if enabled using bit WKUPCS in the Hardware Configuration
register). Wake-up on CS_N will work only if V
BUS
is present.
The steps of a wake-up sequence are as follows:
1. The internal oscillator and the PLL multiplier are re-enabled. When stabilized, the
clock signals are routed to all internal circuits of the ISP1183.
2. The SUSPEND output is deasserted, and bit RESUME in the Interrupt register is
set. This will generate an interrupt if bit IERESUME in the Interrupt Enable
register is set.
3. Maximum 15 ms after starting the wake-up sequence, the ISP1183 resumes its
normal functionality.
4. In case of a remote wake-up, the ISP1183 drives a K-state on the USB bus for
10 ms.
5. Following the deassertion of output SUSPEND, the application restores itself and
other system components to the normal operating mode.
6. After wake-up, the internal registers of the ISP1183 are write-protected to prevent
corruption by inadvertent writing during power-up of external components. The
firmware must send an Unlock Device command to the ISP1183 to restore its full
functionality. For more details, see
Section 13.4.2
.
12.3 Control bits in suspend and resume
Table 12:
Register
Interrupt
Summary of control bits
Bit
SUSPND
BUSTATUS
Function
a transition from awake to the suspend state was detected
monitors USB bus status (logic 1 = suspend); used when
interrupt is serviced
a transition from suspend to the resume state was detected
enables output INT to signal the suspend state
enables output INT to signal the resume state
enables SoftConnect pull-up resistor to USB bus
a HIGH-to-LOW transition enables the suspend state
selects internal (SoftConnect) or external pull-up resistor
enables wake-up on LOW level of input CS_N
selects powered-off mode during the suspend state
sending data AA37H unlocks the internal registers for
writing after a resume
RESUME
IESUSP
IERESUME
SOFTCT
GOSUSP
EXTPUL
WKUPCS
PWROFF
all
Interrupt Enable
Mode
Hardware
Configuration
Unlock
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| ISP1362 | Single-chip Universal Serial Bus On-The-Go controller |
| ISP1362BD | Single-chip Universal Serial Bus On-The-Go controller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1183BS | 功能描述:IC USB HOST CTRL LOW-SPD 32HVQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應用: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 供應商設備封裝: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 |
| ISP1183BS,118 | 功能描述:USB 接口集成電路 FULL-SPD USB2 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1183BS,151 | 功能描述:USB 接口集成電路 FULL-SPD USB2 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1183BS,157 | 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 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1183BSFA | 功能描述:IC USB HOST CTRL LOW-SPD 32HVQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標準包裝:3,000 系列:- 應用: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 供應商設備封裝: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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