[permalink] [id link]
XScale microprocessors can be found in products such as the popular RIM BlackBerry handheld, the Dell Axim family of Pocket PCs, most of the Zire, Treo and Tungsten Handheld lines by Palm, later versions of the Sharp Zaurus, the Motorola A780, the Acer n50, the Compaq iPaq 3900 series and many other PDAs.
from
Wikipedia
Some Related Sentences
XScale and can
The XScale core can then perform up to eight adds or four MACs in parallel in a single cycle.
One such CPU, the Intel XScale, can run at 600 MHz with only half a watt of power, whereas x86 PC processors from Intel in the same performance bracket consume roughly eighty times as much energy.
XScale and such
The task of the XScale in the IXP2XXX devices is typically to provide control plane functionality only, with data processing performed by the microengines, examples of such control plane tasks include routing table updates, microengine control, memory management.
The XScale is also used in devices such as PVPs ( Portable Video Players ), PMCs ( Portable Media Centres ), including the Creative Zen Portable Media Player and Amazon Kindle E-Book reader, and industrial embedded systems.
XScale and Axim
The base-level Axim X5 boasted a 300 MHz Intel XScale PXA250 Processor, 32MB RAM, 32MB flash ROM, a Type II CompactFlash Slot, an SD / MMC Slot, a 16-Bit QVGA ( 240 × 320 dots ) TFT display, speaker, microphone, and a base price of $ 279 USD.
A high-end Axim X5 came with a 400 MHz Intel XScale Processor, 64MB RAM, and 48MB flash ROM for $ 349 USD.
XScale and family
This includes the PowerPC, x86 family, MIPS, SH-4 and the closely related family of ARM, StrongARM and XScale CPUs.
This revision is a huge update to the XScale family of processors.
The IOP3XX processors are based on the XScale architecture and designed to replace the older 80219 processor and i960 family of chips.
XScale and Pocket
This was also the first Pocket PC to include the Intel XScale PXA270 Processors.
XScale and Tungsten
The Tungsten E2, introduced on April 13, 2005 replaced the similarly named Tungsten E, has 32 MB of memory ( 29. 7 available ), a 200 MHz Intel XScale processor, 320x320 Transflective TFT color display, and runs Palm OS Garnet v5. 4. 7.
It is the first and only Tungsten to use a 416 MHz Intel XScale PXA270 processor.
XScale and by
A new StrongARM core was developed by Intel and introduced in 2000 as the XScale.
Distinct ARM architecture implementations by licensees include Apple's A6, AppliedMicro's X-Gene, Qualcomm's Snapdragon and Krait, DEC's StrongARM, Marvell ( formerly Intel ) XScale, and Nvidia's planned Project Denver.
The XScale core is used in a number of microcontroller families manufactured by Intel and Marvell, notably:
The PXA90x was released by Marvell and combines an XScale Core with a GSM / CDMA communication module.
The XScale effort at Intel was initiated by the purchase of the StrongARM division from Digital Equipment Corporation in 1998.
It offers emulation of the timer, serial ports, touch pad and LCD along with Motorola 68000 emulation ( m68k ), specifically the Freescale DragonBall used in Palm Pilots until they switched to Intel XScale ARM processors ( later DragonBalls were based on an ARM core not a 68000 but retained the same name, however were not used by Palm.
XScale and later
It was later sold to Intel in 1997, who continued to manufacture it before replacing it with the XScale in the early 2000s.
Intel later developed its own high performance implementation named XScale which it has since sold to Marvell.
XScale and versions
The Basix and Connex motherboards came in three versions ( 200, 400-xm and 400xm-bt ), all based around the XScale PXA255 processor and having 64 MB of RAM and 4-16 MB of onboard Flash.
XScale and many
There are many differences in the core architecture between Blackfin / MSA and XScale / ARM or SHARC, but the combination provides improvements in performance, programmability and power consumption over traditional DSP or RISC architecture designs.
XScale and other
At the other end of the market, the XScale IOP33x Storage I / O processors are used in some Intel Xeon-based server platforms.
Intel was expected to continue manufacturing XScale processors until Marvell secures other manufacturing facilities, and would continue manufacturing and selling the IXP and IOP processors, as they were not part of the deal.
XScale and .
Intel's and Marvell's XScale microprocessor core starting with PXA270 include an SIMD instruction set extension to the ARM core called iwMMXt whose functions are similar to those of the IA-32 MMX extension.
* Castle Technology – Iyonix PC based on the Intel XScale ARM processor and PCI bus.
* Be based on an ARM version 4 compatible CPU, Intel XScale CPU, MIPS CPU or SH3 CPU.
In the late 1990s Intel replaced their entire RISC line with ARM-based designs, known as the XScale.
The XScale architecture is based on the ARMv5TE ISA without the floating point instructions.
XScale uses a seven-stage integer and an eight-stage memory superpipelined microarchitecture.
All the generations of XScale are 32-bit ARMv5TE processors manufactured with a 0. 18 µm or 0. 13 µm ( as in IXP43x parts ) process and have a 32 kB data cache and a 32 kB instruction cache.
First and second generation XScale cores also have a 2 kB mini-data cache.
Products based on the 3rd generation XScale have up to 512 kB unified L2 cache.
There are four generations of XScale Application Processors, described below: PXA210 / PXA25x, PXA26x, PXA27x, and PXA3xx.
The PXA210 was Intel's entry-level XScale targeted at mobile phone applications.
The PXA250 was Intel's first generation of XScale processors.
* Wireless MMX: 43 new SIMD instructions containing the full MMX instruction set and the integer instructions from Intel's SSE instruction set along with some instructions unique to the XScale.
The XScale core is utilized in the second generation of Intel's IXP network processor line, while the first generation used StrongARM cores.
microprocessors and can
Depending on the requirements of the application, digital signal processing tasks can be implemented on general purpose computers ( e. g. supercomputers, mainframe computers, or personal computers ) or with embedded processors that may or may not include specialized microprocessors called digital signal processors.
In principle, the 64-bit microprocessors found in many computers can address 16 exabytes of memory.
A thousand instructions per second ( kIPS ) is rarely used, as most current microprocessors can execute at least a billion instructions per second.
They can be used to recover a signal from a noisy communication channel, generate stable frequencies at a multiple of an input frequency ( frequency synthesis ), or distribute clock timing pulses in digital logic designs such as microprocessors.
This can range from circuit boards and microprocessors to routers.
Because of this, most microprocessors can use NOR flash memory as execute in place ( XIP ) memory, meaning that programs stored in NOR flash can be executed directly from the NOR flash without needing to be copied into RAM first.
On the other hand, static RAM used at a somewhat slower pace, such as in applications with moderately clocked microprocessors, draws very little power and can have a nearly negligible power consumption when sitting idle — in the region of a few micro-watts.
As microprocessors have become more powerful, notations such as sequential function charts and function block diagrams can replace ladder logic for some limited applications.
Most general-purpose microprocessors and operating systems can execute DSP algorithms successfully, but are not suitable for use in portable devices such as mobile phones and PDAs because of power supply and space constraints.
The power management for microprocessors can be done over the whole processor, or in specific areas.
Since the advent of microprocessors and digital signal processing, " modeling amps " have been developed in the late 1990s, these can simulate the sounds of a variety of well-known tube amplifiers without needing to use vacuum tubes.
Embedded microprocessors can also have registers corresponding to specialized hardware elements.
This allows different companies to create their own versions of TRON, based on the specifications, which can be suited for different microprocessors.
It was stated that most real microprocessors have a complex instruction set and many subtleties to increase efficiency, that can be a distraction for students that are studying the essential and universal aspects of a microprocessor ( that are common to different designs ).
While there are physical constraints to the speed at which modern microprocessors can function, scientists are already developing means that might eventually supersede these limits, such as quantum computers.
Modern programmable scanners – an early 1976 US entry was the Tennelec MCP-1 – allow hundreds or thousands of frequencies to be entered via a keypad and stored in various ' memory banks ' and can scan at a rapid rate due to modern microprocessors.
Especially for critical components such as microprocessors and memory banks, this raises the risk of them overheating which can ultimately damage or destroy them.
Microthreads are small code fragments that can be run concurrently to gain increased performance in microprocessors.
However, with advances in microprocessors and a physical understanding of the ignition process, HCCI can be controlled to achieve gasoline engine-like emissions along with diesel engine-like efficiency.
Currently, CNN processors can achieve up to 50, 000 frames per second, and for certain applications such as missile tracking, flash detection, and spark-plug diagnostics these microprocessors have outperformed a conventional supercomputer.
0.530 seconds.