參數(shù)資料
型號(hào)： ISP1160BD/01,118
廠商： ST-ERICSSON
元件分類： 總線控制器
英文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁(yè)數(shù)： 29/88頁(yè)
文件大?。?/td> 394K
代理商： ISP1160BD/01,118
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
35 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
In the suspended state, the device will consume considerably less power by turning
off the internal 48 MHz clock, PLL and crystal, and setting the internal regulator to
power-down mode. The ISP1160 suspend and resume clock scheme is shown in
Pin H_SUSPEND is the sensing output pin for the HC’s suspended state. When the
HC goes into the USBSuspend state, this pin will output a HIGH level (logic 1). This
pin is cleared to LOW (logic 0) level only when the HC is put into a USBReset state or
USBOperational state (refer to the HcControl register bits 7 to 6; 01H to read, 81H to
write). Bit 11, SuspendClkNotStop, of the HcHardwareConguration register (20H to
read, A0H to write), denes if the HC internal clock is stopped or kept running when
the HC goes into the USBSuspend state. After the HC enters the USBSuspend state
for 1.3 ms, the internal clock will be stopped if bit SuspendClkNotStop is logic 0.
For details on power consumption, refer to Philips Application Note
AN10022 ISP1160x Low Power Consumption.
9.9.2
HC wake-up from suspended state
There are three methods to wake up the HC from the USBSuspend state: hardware
wake-up, software wake-up, and USB bus resume. They are described as follows.
Wake-up by pin H_WAKEUP: Pins H_SUSPEND and H_WAKEUP provide
hardware wake-up, a way of remote wake-up control for the HC without the need to
access the HC internal registers. H_WAKEUP is an external wake-up control input
pin for the HC. After the HC goes into the USBSuspend state, it can be woken up by
sending a HIGH level pulse to pin H_WAKEUP. This will turn on the HC’s internal
clock, and set bit 6, ClkReady, of the Hc
PInterrupt register (24H to read, A4H to
write). Under the USBSuspend state, once pin H_WAKEUP goes HIGH, after 160
s,
the internal clock will be up. If pin H_WAKEUP continues to be HIGH, then the
internal clock will be kept running, and the microprocessor can set the HC into
USBOperational state during this time. If H_WAKEUP goes LOW for more than
1.14 ms, the internal clock stops and the HC goes back into the USBSuspend state.
Fig 28. ISP1160 suspend and resume clock scheme.
004aaa375
On
XOSC_6MHz
XOSC
On
VOLTAGE
REGULATOR
HC PLL
HC_ClkOk
HC_RawClk48M
HC_EnableClock
H_WAKEUP (pin)
CS_N (pin)
HC_NeedClock
PLL_Lock
PLL_ClkOut
On
DIGITAL
CLOCK
SWITCH
HC
CORE
HC_Clk48MOut
HcHardware Configuration
bit 11 (SuspendClkNotStop)
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參數(shù)描述
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ISP1160BD01-T 功能描述:USB 接口集成電路 USB HOST CTRL FULL-SPD 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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ISP1160BM 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
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