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| 型號(hào)： | PXA270 |
| 廠商： | Intel Corp. |
| 英文描述： | Electrical, Mechanical, and Thermal Specification |
| 中文描述： | 電氣，機(jī)械和熱規(guī)格 |
| 文件頁(yè)數(shù)： | 115/126頁(yè) |
| 文件大小： | 1563K |
| 代理商： | PXA270 |
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Electrical, Mechanical, and Thermal Specification
Glossary-5
Intel PXA270 Processor
Glossary
End User:
The user of a host.
Endpoint:
See device endpoint.
Endpoint Address:
The combination of an endpoint number and an endpoint direction on a USB device. Each
endpoint address supports data transfer in one direction.
Endpoint Direction:
The direction of data transfer on the USB. The direction can be either IN or OUT. IN refers to
transfers to the host; OUT refers to transfers from the host.
Endpoint Number:
A four-bit value between 0H and FH, inclusive, associated with an endpoint on a USB device.
Envelope detector:
An electronic circuit inside a USB device that monitors the USB data lines and detects certain
voltage related signal characteristics.
EOF:
End-of-(micro)Frame.
EOP:
End-of-Packet.
EOTD:
Enhanced Observed Time Difference
ETM
: Embedded Trace Macrocell, the ARM* real-time trace capability
External Port:
See port.
Eye pattern:
A representation of USB signaling that provides minimum and maximum voltage levels as well as
signal jitter.
FAR
: Fault Address Register, part of the ARM* architecture.
False EOP:
A spurious, usually noise-induced event that is interpreted by a packet receiver as an EOP.
FDD
: The Mobile Station transmits on one frequency; the Base Station transmits on another frequency
FDM:
Frequency Division Multiplexing. Each Mobile station transmits on a different frequency (within a cell).
FDMA:
Frequency Division Multiple Access. An analog standard that lets multiple users access a group of radio
frequency bands and eliminates interference of message traffic.
FHSS
: See Frequency Hopping Spread Spectrum.
FIQ
: Fast Interrupt Request. See Interrupt Request.
Frame:
A 1 millisecond time base established on full-/low-speed buses.
Frame Pattern:
A sequence of frames that exhibit a repeating pattern in the number of samples transmitted per
frame. For a 44.1 kHz audio transfer, the frame pattern could be nine frames containing 44 samples followed by one
frame containing 45 samples.
Frequency Hopping Spread Spectrum
: A method by which a carrier spreads out packets of information (voice or
data) over different frequencies. For example, a phone call is carried on several different frequencies so that when
one frequency is lost another picks up the call without breaking the connection.
Fs:
See sample rate.
FSR
: Fault Status Register, part of the ARM* architecture.
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| PXA300 | 制造商:Marvell 功能描述: |
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| PXA320 | 制造商:MARVELL 制造商全稱:MARVELL 功能描述:Cost-Effective, Scalable Performance up to 806 MHz for Power-Efficient, High-End Multimedia Handsets, Embedded Solutions, and Enterprise-Class Devices |
| PXA6.3VC101MF60TP | 功能描述:鋁有機(jī)聚合物電容器 100UF 6.3V SMT CAN RoHS:否 制造商:Panasonic Electronic Components 電容:470 uF 容差:20 % 電壓額定值:2.5 V ESR:4.5 mOhms 工作溫度范圍:- 40 C to + 105 C 端接類型:SMD/SMT 外殼直徑: 外殼長(zhǎng)度:7.3 mm 外殼寬度:4.3 mm 外殼高度:1.9 mm 封裝:Reel |
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