25 Facts About ARM processor

1.

The ARM processor design added special vector-like memory access instructions, the "S-cycles", that could be used to fill or save multiple registers in a single page using page mode.

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2.

The first samples of ARM processor silicon worked properly when first received and tested on 26 April 1985.

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3.

The ARM processor2 had a transistor count of just 30,000, compared to Motorola's six-year-older 68000 model with around 68,000.

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4.

Successor, ARM processor3, was produced with a 4 KB cache, which further improved performance.

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5.

Apple used the ARM processor6-based ARM processor610 as the basis for their Apple Newton PDA.

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6.

In 2011, the 32-bit ARM processor architecture was the most widely used architecture in mobile devices and the most popular 32-bit one in embedded systems.

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7.

In 2013,10 billion were produced and "ARM processor-based chips are found in nearly 60 percent of the world's mobile devices".

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8.

In February 2016, ARM processor announced the Built on ARM processor Cortex Technology licence, often shortened to Built on Cortex licence.

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9.

Companies that have designed cores that implement an ARM processor architecture include Apple, AppliedMicro, Broadcom, Cavium, Digital Equipment Corporation, Intel, Nvidia, Qualcomm, Samsung Electronics, Fujitsu, and NUVIA Inc.

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10.

ARM processor cores are used in a number of products, particularly PDAs and smartphones.

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11.

ARM processor chips are used in Raspberry Pi, BeagleBoard, BeagleBone, PandaBoard, and other single-board computers, because they are very small, inexpensive, and consume very little power.

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12.

Except in the M-profile, the 32-bit ARM processor architecture specifies several CPU modes, depending on the implemented architecture features.

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13.

Original ARM implementation was hardwired without microcode, like the much simpler 8-bit 6502 processor used in prior Acorn microcomputers.

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14.

ARM processor includes integer arithmetic operations for add, subtract, and multiply; some versions of the architecture support divide operations.

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15.

Almost every ARM processor instruction has a conditional execution feature called predication, which is implemented with a 4-bit condition code selector.

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16.

ARM processor has features rarely seen in other RISC architectures, such as PC-relative addressing and pre- and post-increment addressing modes.

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17.

Higher-performance designs, such as the ARM processor9, have deeper pipelines: Cortex-A8 has thirteen stages.

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18.

The difference between the ARM processor7DI and ARM processor7DMI cores, for example, was an improved multiplier; hence the added "M".

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19.

The space saving comes from making some of the instruction operands implicit and limiting the number of possibilities compared to the ARM processor instructions executed in the ARM processor instruction set state.

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20.

ARM's smallest processor families implement only the 16-bit Thumb instruction set for maximum performance in lowest cost applications.

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21.

Some devices such as the ARM processor Cortex-A8 have a cut-down VFPLite module instead of a full VFP module, and require roughly ten times more clock cycles per float operation.

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22.

Typical applications include DRM functionality for controlling the use of media on ARM processor-based devices, and preventing any unapproved use of the device.

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23.

ARM processor provides a reference stack of secure world code in the form of Trusted Firmware for M and PSA Certified.

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24.

ARM processor announced their Cortex-A53 and Cortex-A57 cores on 30 October 2012.

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25.

Windows applications recompiled for ARM processor and linked with Winelib, from the Wine project, can run on 32-bit or 64-bit ARM processor in Linux, FreeBSD, or other compatible operating systems.

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