參數(shù)資料
型號(hào): ISP1362EE,551
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 總線控制器
英文描述: 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): 99/152頁(yè)
文件大?。?/td> 677K
代理商: ISP1362EE,551
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ISP1362_5
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 05 — 8 May 2007
50 of 152
NXP Semiconductors
ISP1362
Single-chip USB OTG Controller
12.1 Peripheral Controller data transfer operation
The following sessions explain how the Peripheral Controller in the ISP1362 handles an
IN data transfer and an OUT data transfer. An IN data transfer means transfer from the
ISP1362 to an external USB host (through the upstream port), and an OUT transfer
means transfer from an external USB host to the ISP1362. In device mode, the ISP1362
acts as a USB device.
12.1.1 IN data transfer
1. The arrival of the IN token is detected by the Serial Interface Engine (SIE) by
decoding the Packet Identier (PID).
2. The SIE also checks the device number and the endpoint number to verify whether
they are okay.
3. If the endpoint is enabled, the SIE checks the contents of the DcEndpointStatus
register (ESR). If the endpoint is full, the contents of the buffer memory are sent
during the data phase else an NAK handshake is sent.
4. After the data phase, the SIE expects a handshake (ACK) from the host (except for
ISO endpoints).
5. On receiving the handshake (ACK), the SIE updates the contents of the
DcEndpointStatus and DcInterrupt registers, which in turn generates an interrupt to
the microprocessor. For ISO endpoints, the DcInterrupt register is updated as soon as
data is sent because there is no handshake phase.
6. On receiving an interrupt, the microprocessor reads the DcInterrupt register. It knows
which endpoint has generated the interrupt and reads the contents of the
corresponding ESR. If the buffer is empty, it lls up the buffer so that data can be sent
by the SIE at the next IN token phase.
12.1.2 OUT data transfer
1. The arrival of the OUT token is detected by the SIE by decoding the PID.
2. The SIE checks the device and endpoint numbers to verify whether they are okay.
3. 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.
4. After the data phase, the SIE sends a handshake (ACK) to the host (except for ISO
endpoints).
5. 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.
6. On receiving an interrupt, the microprocessor reads the DcInterrupt register. It knows
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1362EE-S 功能描述:IC USB CTRL SNGL CHIP 64TFBGA RoHS:是 類(lèi)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(lèi)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(lèi)型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:36-QFN(6x6) 包裝:* 其它名稱(chēng):Q6396337A
ISP1362EE-T 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(lèi)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
ISP1362EEUM 功能描述:IC USB OTG CONTROLLER 64-TFBGA RoHS:是 類(lèi)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(lèi)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(lèi)型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:36-QFN(6x6) 包裝:* 其它名稱(chēng):Q6396337A
ISP1362PCI/DOSOTG 制造商:NXP Semiconductors 功能描述:
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