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參數(shù)資料
| 型號(hào)： | ISP1362EE |
| 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, PBGA64 |
| 封裝： | 6 X 6 MM, 0.80 HEIGHT, PLASTIC, MO-195, SOT-543-1, TFBGA-64 |
| 文件頁(yè)數(shù)： | 54/150頁(yè) |
| 文件大?。?/td> | 647K |
| 代理商： | ISP1362EE |
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Philips Semiconductors
ISP1362
Single-chip USB OTG controller
Product data
Rev. 03
—
06 January 2004
54 of 150
9397 750 12337
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
13.3.4
Endpoint initialization
In response to the standard USB request Set Interface, the
fi
rmware must program all
the 16 ECRs of the DC in sequence (see
Table 14
), whether endpoints are enabled
or not. The hardware then automatically allocates buffer memory storage space.
If all endpoints have been successfully con
fi
gured, the
fi
rmware must return an empty
packet to the control IN endpoint to acknowledge success to the host. If there are
errors in the endpoint con
fi
guration, the
fi
rmware must stall the control IN endpoint.
When reset by hardware or by the USB bus occurs, the DC disables all endpoints and
clears all ECRs, except the control endpoint which is
fi
xed and always enabled.
An endpoint initialization can be done at any time. It is, however, valid only after
enumeration.
13.3.5
Endpoint I/O mode access
When an endpoint event occurs (a packet is transmitted or received), the associated
endpoint interrupt bits (EPn) of the DcInterrupt register (IR) are set by the SIE. The
fi
rmware then responds to the interrupt and selects the endpoint for processing.
The endpoint interrupt bit is cleared by reading the DcEndpointStatus register (ESR).
The ESR also contains information on the status of the endpoint buffer.
For an OUT (= receive) endpoint, the packet length and packet data can be read from
the DC by using the Read Buffer command. When the whole packet has been read,
the
fi
rmware sends a Clear Buffer command to enable the reception of new packets.
For an IN (= transmit) endpoint, the packet length and data to be sent can be written
to the DC by using the Write Buffer command. When the whole packet has been
written to the buffer, the
fi
rmware sends a Validate Buffer command to enable data
transmission to the host.
13.3.6
Special actions on control endpoints
Control endpoints require special
fi
rmware actions. The arrival of a Set-up packet
fl
ushes the IN buffer and disables the Validate Buffer and Clear Buffer commands for
the control IN and OUT endpoints. The microprocessor needs to re-enable these
commands by sending an Acknowledge Set-up command to
both
the control
endpoints.
This ensures that the last Set-up packet stays in the buffer and that no packets can be
sent back to the host until the microprocessor has explicitly acknowledged that it has
received the Set-up packet.
13.4 DC direct memory access (DMA) transfer
DMA is a method to transfer data from one location to another in a computer system,
without intervention of the CPU. Many different implementations of DMA exist.
The DC supports the 8237 compatible mode.
8237 compatible mode
: based on the DMA subsystem of the IBM personal
computers (PC, AT and all its successors and clones); this architecture uses the
Intel 8237 DMA controller and has separate address spaces for memory and I/O.
相關(guān)PDF資料 |
PDF描述 |
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| ISP1501 | Hi-Speed Universal Serial Bus peripheral transceiver |
| ISP1520 | Hi-Speed Universal Serial Bus hub controller |
| ISP1520BD | Hi-Speed Universal Serial Bus hub controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1362EE,518 | 功能描述:USB 接口集成電路 USB OTG 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 |
| ISP1362EE,551 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -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 |
| ISP1362EE,557 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -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 |
| ISP1362EE/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip Universal Serial Bus On-The-Go controller |
| ISP1362EE-S | 功能描述:IC USB CTRL SNGL CHIP 64TFBGA 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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