List of ARM microprocessor cores
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This is a sub-article to ARM architecture
ARM architecture
ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

.

ARM's microprocessor cores are listed here, sorted by generation release and name. ARM provides a summary of the numerous vendors who implement ARM cores in their design. KEIL
KEIL
Keil was founded in 1982 by Günter und Reinhard Keil, initially as a German GbR. In April 1985 the company was converted to Keil Elektronik GmbH to market add-on products for the development tools provided by many of the silicon vendors...

 also provides a somewhat newer summary of vendors of ARM based processors. ARM further provides a chart displaying an overview of the ARM processor lineup with performance and functionality versus capabilities for the more recent ARM7, ARM9, ARM11, Cortex-M, Cortex-R and Cortex-A device families.

ARM microprocessor cores

ARM Family ARM Architecture ARM Core Feature Cache (I/D), MMU
Memory management unit
A memory management unit , sometimes called paged memory management unit , is a computer hardware component responsible for handling accesses to memory requested by the CPU...

Typical MIPS @ MHz
ARM1 ARMv1 ARM1 First implementation None
ARM2 ARMv2 ARM2 ARMv2 added the MUL (multiply) instruction None 4 MIPS @ 8 MHz
0.33 DMIPS/MHz
ARMv2a ARM250 Integrated MEMC (MMU), Graphics and IO processor. ARMv2a added the SWP and SWPB (swap) instructions. None, MEMC1a 7 MIPS @ 12 MHz
ARM3 ARMv2a ARM3 First integrated memory cache. 4 KB unified 12 MIPS @ 25 MHz
0.50 DMIPS/MHz
ARM6 ARMv3 ARM60 ARMv3 first to support 32-bit memory address space (previously 26-bit) None 10 MIPS @ 12 MHz
ARM600 As ARM60, cache and coprocessor bus (for FPA10 floating-point unit). 4 KB unified 28 MIPS @ 33 MHz
ARM610 As ARM60, cache, no coprocessor bus. 4 KB unified 17 MIPS @ 20 MHz
0.65 DMIPS/MHz
ARM7 ARMv3 ARM700 8 KB
Kilobyte
The kilobyte is a multiple of the unit byte for digital information. Although the prefix kilo- means 1000, the term kilobyte and symbol KB have historically been used to refer to either 1024 bytes or 1000 bytes, dependent upon context, in the fields of computer science and information...

 unified
40 MHz
ARM710 As ARM700, no coprocessor bus. 8 KB unified 40 MHz
ARM710a As ARM710 8 KB unified 40 MHz
0.68 DMIPS/MHz
ARM7TDMI
ARM7TDMI
ARM7 is a generation of ARM processor designs. This generation introduced the Thumb 16-bit instruction set providing improved code density compared to previous designs. The most widely used ARM7 designs implement the ARMv4T architecture, but some implement ARMv3 or ARMv5TEJ...

ARMv4T ARM7TDMI(-S) 3-stage pipeline, Thumb none 15 MIPS @ 16.8 MHz
63 DMIPS @ 70 MHz
ARM710T As ARM7TDMI, cache 8 KB unified, MMU 36 MIPS @ 40 MHz
ARM720T As ARM7TDMI, cache 8 KB unified, MMU with Fast Context Switch Extension 60 MIPS @ 59.8 MHz
ARM740T As ARM7TDMI, cache MPU
ARM7EJ ARMv5TEJ ARM7EJ-S 5-stage pipeline, Thumb, Jazelle DBX, Enhanced DSP instructions none
ARM8 ARMv4 ARM810 5-stage pipeline, static branch prediction, double-bandwidth memory 8 KB unified, MMU 84 MIPS @ 72 MHz
1.16 DMIPS/MHz
StrongARM
StrongARM
The StrongARM is a family of microprocessors that implemented the ARM V4 instruction set architecture . It was developed by Digital Equipment Corporation and later sold to Intel, who continued to manufacture it before replacing it with the XScale....

ARMv4 SA-1 5-stage pipeline 16 KB/8–16 KB, MMU 203–206 MHz
1.0 DMIPS/MHz
ARM9TDMI ARMv4T ARM9TDMI 5-stage pipeline, Thumb none
ARM920T As ARM9TDMI, cache 16 KB/16 KB, MMU with FCSE (Fast Context Switch Extension) 200 MIPS @ 180 MHz
ARM922T As ARM9TDMI, caches 8 KB/8 KB, MMU
ARM940T As ARM9TDMI, caches 4 KB/4 KB, MPU
ARM9E
ARM9E
ARM9 is an ARM architecture 32-bit RISC CPU family. With this design generation, ARM moved from a von Neumann architecture to a Harvard architecture with separate instruction and data buses , significantly increasing its potential speed...

ARMv5TE ARM946E-S Thumb, Enhanced DSP instructions, caches variable, tightly coupled memories, MPU
ARM966E-S Thumb, Enhanced DSP instructions no cache, TCMs
ARM968E-S As ARM966E-S no cache, TCMs
ARMv5TEJ ARM926EJ-S Thumb, Jazelle DBX, Enhanced DSP instructions variable, TCMs, MMU 220 MIPS @ 200 MHz
ARMv5TE ARM996HS Clockless processor, as ARM966E-S no caches, TCMs, MPU
ARM10E ARMv5TE ARM1020E 6-stage pipeline, Thumb, Enhanced DSP instructions, (VFP) 32 KB/32 KB, MMU
ARM1022E As ARM1020E 16 KB/16 KB, MMU
ARMv5TEJ ARM1026EJ-S Thumb, Jazelle DBX, Enhanced DSP instructions, (VFP) variable, MMU or MPU
XScale
XScale
The XScale, a microprocessor core, is Intel's and Marvell's implementation of the ARMv5 architecture, and consists of several distinct families: IXP, IXC, IOP, PXA and CE . Intel sold the PXA family to Marvell Technology Group in June 2006....

ARMv5TE XScale 7-stage pipeline, Thumb, Enhanced DSP instructions 32 KB/32 KB, MMU 133–400 MHz
Bulverde Wireless MMX, Wireless SpeedStep
SpeedStep
SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...

 added
32 KB/32 KB, MMU 312–624 MHz
Monahans Wireless MMX2 added 32 KB/32 KB (L1), optional L2 cache up to 512 KB, MMU up to 1.25 GHz
ARM11
ARM11
ARM11 is an ARM architecture 32-bit RISC microprocessor family which introduced the ARMv6 architectural additions. These include SIMD media instructions, multiprocessor support and a new cache architecture...

ARMv6 ARM1136J(F)-S 8-stage pipeline, SIMD
SIMD
Single instruction, multiple data , is a class of parallel computers in Flynn's taxonomy. It describes computers with multiple processing elements that perform the same operation on multiple data simultaneously...

, Thumb, Jazelle DBX, (VFP), Enhanced DSP instructions
variable, MMU 740 @ 532–665 MHz (i.MX31 SoC), 400–528 MHz
ARMv6T2 ARM1156T2(F)-S 8-stage pipeline, SIMD
SIMD
Single instruction, multiple data , is a class of parallel computers in Flynn's taxonomy. It describes computers with multiple processing elements that perform the same operation on multiple data simultaneously...

, Thumb-2, (VFP), Enhanced DSP instructions
variable, MPU
ARMv6Z ARM1176JZ(F)-S As ARM1136EJ(F)-S variable, MMU + TrustZone 965 DMIPS @ 772 MHz, up to 2 600 DMIPS with four processors
ARMv6K ARM11 MPCore As ARM1136EJ(F)-S, 1–4 core SMP variable, MMU
Cortex-A ARMv7-A Cortex-A5 (MPCore) Application profile, ARM / Thumb / Thumb-2 / DSP / SIMD / Optional VFPv3 FPU / Optional NEON / Jazelle RCT and DBX, 1–4 cores / optional MPCore, snoop control unit (SCU), generic interrupt controller (GIC), accelerator coherence port (ACP) 4-64KB / 4-64KB L1, MMU + TrustZone 1.57 DMIPS / MHz per core
Cortex-A7 MPCore Application profile, ARM / Thumb / Thumb-2 / DSP / VFPv4 FPU / NEON / Jazelle RCT and DBX / Hardware virtualization, in-order execution, superscalar
Superscalar
A superscalar CPU architecture implements a form of parallelism called instruction level parallelism within a single processor. It therefore allows faster CPU throughput than would otherwise be possible at a given clock rate...

, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), ACP, architecure and feature set are identical to A15, 8-10 stage pipeline, low-power design
32KB / 32KB L1, 0-4MB L2, L1 & L2 have Parity & ECC, MMU + TrustZone
Cortex-A8
ARM Cortex-A8
The ARM Cortex-A8 is a processor core designed by ARM Holdings implementing the ARM v7 instruction set architecture. Compared to the ARM11 core, the Cortex-A8 is dual-issue superscalar, achieving roughly twice the instructions executed per clock cycle....

 
Application profile, ARM / Thumb / Thumb-2 / VFPv3 FPU / Optional NEON / Jazelle RCT and DAC, 13-stage superscalar
Superscalar
A superscalar CPU architecture implements a form of parallelism called instruction level parallelism within a single processor. It therefore allows faster CPU throughput than would otherwise be possible at a given clock rate...

 pipeline
16-32KB / 16-32KB L1, 0-1MB L2 opt ECC, MMU + TrustZone up to 2 000 (2.0 DMIPS/MHz in speed from 600 MHz to greater than 1 GHz)
Cortex-A9 MPCore
ARM Cortex-A9 MPCore
The ARM Cortex-A9 MPCore is a 32-bit multicore processor providing up to 4 cache-coherent Cortex-A9 cores, each implementing the ARM v7 instruction set architecture.-Features:Key features of the Cortex-A9 core are:...

 
Application profile, ARM / Thumb / Thumb-2 / DSP / Optional VFPv3 FPU / Optional NEON / Jazelle RCT and DBX, out-of-order
Out-of-order execution
In computer engineering, out-of-order execution is a paradigm used in most high-performance microprocessors to make use of instruction cycles that would otherwise be wasted by a certain type of costly delay...

 speculative issue
Speculative execution
Speculative execution in computer systems is doing work, the result of which may not be needed. This performance optimization technique is used in pipelined processors and other systems.-Main idea:...

 superscalar
Superscalar
A superscalar CPU architecture implements a form of parallelism called instruction level parallelism within a single processor. It therefore allows faster CPU throughput than would otherwise be possible at a given clock rate...

, 1–4 SMP cores, snoop control unit (SCU), generic interrupt controller (GIC), accelerator coherence port (ACP)
16-64KB / 16-64KB L1, 0-8MB L2 opt Parity, MMU + TrustZone 2.5 DMIPS/MHz per core, 10 000 DMIPS @ 2 GHz on Performance Optimized TSMC 40G (dual core)
Cortex-A15 MPCore
ARM Cortex-A15 MPCore
The ARM Cortex-A15 MPCore is a multicore ARM architecture processor providing an out-of-order superscalar pipeline ARM v7 instruction set running at up to 2.5 GHz. ARM has confirmed that the Cortex A15 core is 40 percent faster than the Cortex-A9 core, all things equal...

 
Application profile, ARM / Thumb / Thumb-2 / DSP / VFPv4 FPU / NEON / Jazelle RCT and DBX / Hardware virtualization, out-of-order
Out-of-order execution
In computer engineering, out-of-order execution is a paradigm used in most high-performance microprocessors to make use of instruction cycles that would otherwise be wasted by a certain type of costly delay...

 speculative issue
Speculative execution
Speculative execution in computer systems is doing work, the result of which may not be needed. This performance optimization technique is used in pipelined processors and other systems.-Main idea:...

 superscalar
Superscalar
A superscalar CPU architecture implements a form of parallelism called instruction level parallelism within a single processor. It therefore allows faster CPU throughput than would otherwise be possible at a given clock rate...

, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), ACP, 15-24 stage pipeline
32KB / 32KB L1, 0-4MB L2, L1 & L2 have Parity & ECC, MMU + TrustZone At least 3.5 DMIPS/MHz per core (Up to 4.01 DMIPS/MHz depending on implementation).
Cortex-R ARMv7-R Cortex-R4 Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU, optional parity & ECC for internal buses / cache / TCM, 8-stage pipeline dual-core running lockstep with fault logic 0-64KB / 0-64KB, 0-2 of 0-8MB TCM, opt MPU with 8/12 regions
Cortex-R5 (MPCore) Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU and precision, optional parity & ECC for internal buses / cache / TCM, 8-stage pipeline dual-core running lock-step with fault logic / optional as 2 independent cores, low-latency peripheral port (LLPP), accelerator coherency port (ACP) 0-64KB / 0-64KB, 0-2 of 0-8MB TCM, opt MPU with 12/16 regions
Cortex-R7 (MPCore) Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU and precision, optional parity & ECC for internal buses / cache / TCM, 11-stage pipeline dual-core running lock-step with fault logic / out-of-order execution / dynamic register renaming
Register renaming
In computer architecture, register renaming refers to a technique used to avoid unnecessary serialization of program operations imposed by the reuse of registers by those operations.-Problem definition:...

 / optional as 2 independent cores, low-latency peripheral port (LLPP), ACP
0-64KB / 0-64KB, ? of 0-128KB TCM, opt MPU with 16 regions
Cortex-M ARMv6-M Cortex-M0 Microcontroller profile, Thumb + Thumb-2 subset (BL, MRS, MSR, ISB, DSB, DMB), hardware multiply instruction, optional system timer, no bit-banding memory No cache, No TCM, No MPU 0.9 DMIPS/MHz
Cortex-M1 Microcontroller profile, Thumb + Thumb-2 subset (BL, MRS, MSR, ISB, DSB, DMB), hardware multiply instruction (optional small), OS option adds SVC / banked stack pointer / system timer, no bit-banding memory No cache, 0-1024KB I-TCM, 0-1024KB D-TCM, No MPU 136 DMIPS @ 170 MHz, (0.8 DMIPS/MHz FPGA-dependent)
ARMv7-M Cortex-M3 Microcontroller profile, Thumb / Thumb-2, hardware multiply and divide instructions, optional bit-banding memory No cache, No TCM, opt MPU with 8 regions 1.25 DMIPS/MHz
ARMv7-ME Cortex-M4 Microcontroller profile, Thumb / Thumb-2 / DSP / optional FPv4 single-precision FPU, hardware multiply and divide instructions, optional bit-banding memory No cache, No TCM, opt MPU with 8 regions 1.25 DMIPS/MHz
ARM Family ARM Architecture ARM Core Feature Cache (I/D), MMU
Memory management unit
A memory management unit , sometimes called paged memory management unit , is a computer hardware component responsible for handling accesses to memory requested by the CPU...

Typical MIPS @ MHz

Further reading

  • The Definitive Guide to the ARM Cortex-M3; 2nd Edition; Joseph Yiu; Newnes; 479 pages; 2009; ISBN 978-1856179638. (Online Sample)
  • The Definitive Guide to the ARM Cortex-M0; 2nd Edition; Joseph Yiu; Newnes; 552 pages; 2011; ISBN 978-0123854773. (Online Sample)
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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