The ARM Cortex-A5 is a 32-bit processor core licensed by
ARM Holdings
Arm is a British semiconductor and software design company based in Cambridge, England.
Its primary business is in the design of ARM processors (CPUs). It also designs other chips, provides software development tools under the DS-5, RealView an ...
implementing the
ARMv7-A architecture announced in 2009.
Overview
The Cortex-A5 is intended to replace the
ARM9
ARM9 is a group of 32-bit RISC ARM processor cores licensed by ARM Holdings for microcontroller use. The ARM9 core family consists of ARM9TDMI, ARM940T, ARM9E-S, ARM966E-S, ARM920T, ARM922T, ARM946E-S, ARM9EJ-S, ARM926EJ-S, ARM968E-S, ARM996 ...
and
ARM11 cores for use in low-end devices.
The Cortex-A5 offers features of the ARMv7 architecture focusing on internet applications e.g. VFPv4 and NEON advanced SIMD.
Key features of the Cortex-A5 core are:
*
Single-issue,
in-order microarchitecture with an 8-stage
pipeline
Pipeline may refer to:
Electronics, computers and computing
* Pipeline (computing), a chain of data-processing stages or a CPU optimization found on
** Instruction pipelining, a technique for implementing instruction-level parallelism within a s ...
*
NEON
Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. It was discovered (along with krypton ...
SIMD instruction set extension (optional)
* VFPv4
floating-point unit
In computing, floating-point arithmetic (FP) is arithmetic that represents real numbers approximately, using an integer with a fixed precision, called the significand, scaled by an integer exponent of a fixed base. For example, 12.345 can b ...
(optional)
*
Thumb-2 instruction set encoding
*
Jazelle RCT
ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of reduced instruction set computer (RISC) instruction set architectures for computer processors, configure ...
* 1.57
DMIPS
Dhrystone is a synthetic computing benchmark program developed in 1984 by Reinhold P. Weicker intended to be representative of system (integer) programming. The Dhrystone grew to become representative of general processor (CPU) performance. The ...
/ MHz
Chips
Several
system-on-chips (SoC) have implemented the Cortex-A5 core, including:
*
Actions Semiconductor ATM7029 (gs702a) is a quad-core Cortex-A5 configuration
*
AMD Fusion APUs include a Cortex-A5 as a security co-processor
*
Amlogic S805, M805 and A111
*
Analog Devices
Analog Devices, Inc. (ADI), also known simply as Analog, is an American multinational semiconductor company specializing in data conversion, signal processing and power management technology, headquartered in Wilmington, Massachusetts.
The co ...
ADSP-SC57x, ADSP-SC58x series ARM Cortex-A5 + SHARC+ multicore DSP
*
Atmel
Atmel Corporation was a creator and manufacturer of semiconductors before being subsumed by Microchip Technology in 2016. Atmel was founded in 1984. The company focused on embedded systems built around microcontrollers. Its products included micr ...
SAMA5Dxx
*
Freescale Vybrid Series
The Vybrid Series is a low power System on chip from Freescale Semiconductor with ARM Cortex-A5
The ARM Cortex-A5 is a 32-bit processor core licensed by ARM Holdings implementing the ARMv7-A architecture announced in 2009.
Overview
The Cortex ...
*
NTC Module
NTC Module (Research Center "Module") is a Russian scientific technological center (R&D production enterprise), founded in 1990 by the two enterprises of Russian military–industrial complex: NPO Vympel and NII Radiopriborostroyeniye.
Conducti ...
1879VM8Ya (penta-core Cortex-A5, up to 800 MHz)
*
Qualcomm
Qualcomm () is an American multinational corporation headquartered in San Diego, California, and incorporated in Delaware. It creates semiconductors, software, and services related to wireless technology. It owns patents critical to the 5G, 4 ...
Snapdragon S1 MSM7x25A / MSM7x27A (up to 1.0GHz +
Adreno 200)
*
Qualcomm
Qualcomm () is an American multinational corporation headquartered in San Diego, California, and incorporated in Delaware. It creates semiconductors, software, and services related to wireless technology. It owns patents critical to the 5G, 4 ...
Snapdragon S4 Play
*
Samsung Exynos 7420 (Cortex-A5 as an audio
DSP)
*
Spreadtrum SC8810 (single core A5 1 GHz +
Mali400 GPU)
* All
AMD CPUs since the
Zen microarchitecture contain a Cortex-A5 as a
Platform Security Processor
Development platform
See also
*
ARM architecture
ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of reduced instruction set computer (RISC) instruction set architectures for computer processors, configured ...
*
Comparison of ARMv7-A microarchitectures
*
JTAG
JTAG (named after the Joint Test Action Group which codified it) is an Technical standard, industry standard for verifying designs and testing printed circuit boards after manufacture.
JTAG implements standards for on-chip instrumentation in ele ...
*
List of applications of ARM microarchitectures
*
List of ARM microarchitectures
This is a list of central processing units based on the ARM family of instruction sets designed by ARM Ltd. and third parties, sorted by version of the ARM instruction set, release and name. In 2005, ARM provided a summary of the numerous vendo ...
References
External links
;ARM Holdings
*
ARM Cortex-A5 Technical Reference Manuals
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ARM processors
ARM Holdings IP cores