参数资料
型号: RTPXA270C0C312
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 312 MHz, RISC PROCESSOR, PBGA356
封装: 13 X 13 MM, 1 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, VFBGA-356
文件页数: 27/128页
文件大小: 1560K
代理商: RTPXA270C0C312
Glossary-12
Electrical, Mechanical, and Thermal Specification
Intel PXA270 Processor
Glossary
SSE2: Streaming SIMD Extensions 2: for Intel Architecture machines, 144 new instructions, a 128-bit SIMD
integer arithmetic and 128-bit SIMD double precision floating point instructions, enabling enhanced multimedia
experiences.
SSP: Synchronous Serial Port
SSTL: Stub series terminated logic
Stage: One part of the sequence composing a control transfer; stages include the Setup stage, the Data stage, and
the Status stage.
Start-of-Frame (SOF): The first transaction in each (micro)frame. An SOF allows endpoints to identify the start of
the (micro)frame and synchronize internal endpoint clocks to the host.
Stream Pipe: A pipe that transfers data as a stream of samples with no defined USB structure
SWI: Software interrupt.
Synchronization Type: A classification that characterizes an isochronous endpoint’s capability to connect to other
isochronous endpoints.
Synchronous RA: The incoming data rate, Fsi, and the outgoing data rate, Fso, of the RA process are derived from
the same master clock. There is a fixed relation between Fsi and Fso.
Synchronous SRC: The incoming sample rate, Fsi, and outgoing sample rate, Fso, of the SRC process are derived
from the same master clock. There is a fixed relation between Fsi and Fso.
System Programming Interface (SPI): A defined interface to services provided by system software.
TC: Temperature Cycling
TDD: Time Division Duplexing The Mobile Station and the Base Station transmit on same frequency at different
times.
TDM: See Time Division Multiplexing.
TDMA: Time Division Multiple Access. TDMA protocol allows multiple users to access a single radio frequency
by allocating time slots for use to multiple voice or data calls. TDMA breaks down data transmissions, such as a
phone conversation, into fragments and transmits each fragment in a short burst, assigning each fragment a time
slot. With a cell phone, the caller would not detect this fragmentation. TDMA works with GSM and digital cellular
services.
TDR: See Time Domain Reflectometer.
Termination: Passive components attached at the end of cables to prevent signals from being reflected or echoed.
TFT: Thin Film Twist, a type of active LCD panel.
Three-state: a high-impedance state in which the output is floating and is electrically isolated from the buffer's
circuitry.
Time Division Multiplexing (TDM): A method of transmitting multiple signals (data, voice, and/or video)
simultaneously over one communications medium by interleaving a piece of each signal one after another.
Time Domain Reflectometer (TDR): An instrument capable of measuring impedance characteristics of the USB
signal lines.
相关PDF资料
PDF描述
RCPXA270C0C520 520 MHz, MICROPROCESSOR, PBGA356
RV5C387A-F 0 TIMER(S), REAL TIME CLOCK, PDSO10
RX-4571LC REAL TIME CLOCK, PDSO12
RX-4571SA REAL TIME CLOCK, PDSO14
RX-4571SA 0 TIMER(S), REAL TIME CLOCK, PDSO14
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