參數(shù)資料
型號(hào)： ISP1160BD/01,151
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)： 24/88頁(yè)
文件大?。?/td> 394K
代理商： ISP1160BD/01,151
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
30 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ITL0BufferDone and ITL0BufferFull bits will be cleared automatically. This also
applies to the ITL1 buffer because ITL0 and ITL1 are Ping-Pong structured buffers. To
recover from this state, a power-on reset or software reset will have to be applied.
9.5.1
Time domain behavior
In example 1 (Figure 21), the CPU is fast enough to read back and download a
scenario before the next interrupt. Note that on the ISO interrupt of frame N:
The ISO packet for frame N
+ 1 will be written
The AT packet for frame N
+ 1 will be written.
In example 2 (Figure 22), the microprocessor is still busy transferring the AT data
when the ISO interrupt of the next frame (N
+ 1) is raised. As a result, there will be no
AT trafc in frame N
+ 1. The HC does not raise an AT interrupt in frame N + 1. The
AT part is simply postponed until frame N
+ 2. On the AT N + 2 interrupt, the transfer
mechanism is back to the normal operation. This simple mechanism ensures, among
other things, that Control transfers are not dropped systematically from the USB in
case of an overloaded microprocessor.
In example 3 (Figure 23), the ISO part is still being written while the Start of Frame
(SOF) of the next frame has occurred. This will result in undened behavior for the
ISO data on the USB bus in frame N
+ 1 (depending on whether the exact timing data
is corrupted or not). The HC should not raise an AT interrupt in frame N
+ 1.
Fig 21. HC time domain behavior: example 1.
MGT954
(frame N)
(frame N
+ 1)
(frame N
+ 2)
(frame N
+ 3)
read ISO_A(N
1) write ISO_A(N + 1)
SOF
read AT(N)
write AT(N
+ 1)
AT
interrupt
traffic
on USB
ISO
interrupt
Fig 22. HC time domain behavior: example 2.
MGT955
(frame N)
(frame N
+ 1)
(frame N
+ 2)
(frame N
+ 3)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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ISP1160BD01-S 功能描述:USB 接口集成電路 USB FULL SPEED 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
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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