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參數(shù)資料
| 型號(hào)： | ISP1362BD |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | Single-chip Universal Serial Bus On-The-Go controller |
| 中文描述： | 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)： | 51/150頁(yè) |
| 文件大?。?/td> | 647K |
| 代理商： | ISP1362BD |
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Philips Semiconductors
ISP1362
Single-chip USB OTG controller
Product data
Rev. 03
—
06 January 2004
51 of 150
9397 750 12337
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
If the endpoint is enabled, the SIE checks the contents of the ESR. If the endpoint
is empty, the data from USB is stored in the buffer memory during the data phase
else a NAK handshake is sent.
After the data phase, the SIE sends a handshake (ACK) to the host (except for ISO
endpoints).
The SIE updates the contents of the DcEndpointStatus register and the
DcInterrupt register, which in turn generates an interrupt to the microprocessor.
For ISO endpoints, the DcInterrupt register is updated as soon as data is received
because there is no handshake phase.
On receiving an interrupt, the microprocessor reads the DcInterrupt register. It will
know which endpoint has generated the interrupt and reads the content of the
corresponding ESR. If the buffer is full, it empties the buffer so that data can be
received by the SIE at the next OUT token phase.
13.2 Device DMA transfer
13.2.1
DMA for IN endpoint (internal DC to the external USB host)
When the internal DMA handler is enabled and at least one buffer (ping or pong) is
free, the DREQ2 line is asserted. The external DMA controller then starts negotiating
for control of the bus. As soon as it has access, it asserts the DACK2 line and starts
writing data. The burst length is programmable. When the number of bytes equal to
the burst length has been written, the DREQ2 line is deasserted. As a result, the
DMA controller deasserts the DACK2 line and releases the bus. At that moment, the
whole cycle restarts for the next burst.
When the buffer is full, the DREQ2 line is deasserted and the buffer is validated
(which means that it is sent to the host at the next IN token). When the DMA transfer
is terminated, the buffer is also validated (even if it is not full). A DMA transfer is
terminated when any of the following conditions are met:
The DMA count is complete
DMAEN = 0.
Remark:
If the OneDMA bit in the HcHardwareCon
fi
guration register is set to logic 1,
the DC DMA controller handshake signals DREQ2 and DACK2 are routed to DREQ1
and DACK1.
13.2.2
DMA for OUT endpoint (external USB host to internal DC)
When the internal DMA handler is enabled and at least one buffer is full, the DREQ2
line is asserted. The external DMA controller then starts negotiating for control of the
bus, and as soon as it has access, it asserts the DACK2 line and starts reading data.
The burst length is programmable. When the number of bytes equal to the burst
length has been read, the DREQ2 line is deasserted. As a result, the DMA controller
deasserts the DACK2 line and releases the bus. At that moment, the whole cycle
restarts for the next burst. When all the data is read, the DREQ2 line is deasserted
and the buffer is cleared (this means that it can be overwritten when a new packet
arrives). A DMA transfer is terminated when any of the following conditions are met:
The DMA count is complete
DMAEN = 0.
相關(guān)PDF資料 |
PDF描述 |
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| ISP1362EE | Single-chip Universal Serial Bus On-The-Go controller |
| ISP1501 | Hi-Speed Universal Serial Bus peripheral transceiver |
| ISP1520 | Hi-Speed Universal Serial Bus hub controller |
| ISP1520BD | Hi-Speed Universal Serial Bus hub controller |
| ISP1521 | Hi-Speed Universal Serial Bus hub controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1362BD,118 | 功能描述:USB 接口集成電路 USB OTG CONTROLLER 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 |
| ISP1362BD,151 | 功能描述:USB 接口集成電路 USB OTG CONTROLLER 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 |
| ISP1362BD,157 | 功能描述:USB 接口集成電路 USB OTG CONTROLLER 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 |
| ISP1362BD157 | 制造商:NXP Semiconductors 功能描述:IC CONTROLLER USB-OTG 64LQFP 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB OTG 64-LQFP |
| ISP1362BDFA | 功能描述:IC USB OTG CONTROLLER 64-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
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