ARM Cortex-A8

ARM Cortex-A8

General information
Designed by	ARM Holdings
Common manufacturer(s)	TSMC
Cache
L1 cache	32 KiB/32 KiB
L2 cache	512 KiB
Architecture and classification
Instruction set	ARMv7
Physical specifications
Cores	1

The ARM Cortex-A8 is a processor core designed by ARM Holdings implementing the ARM v7 (32-bit) instruction set architecture.

Compared to the ARM11 core, the Cortex-A8 is a dual-issue superscalar design, achieving roughly twice the instructions executed per clock cycle. The Cortex-A8 was the first Cortex design to be adopted on a large scale for use in consumer devices.

Features

Key features of the Cortex-A8 core are:

• Frequency from 600 MHz to 1 GHz and above
• Superscalar dual-issue microarchitecture
• NEON SIMD instruction set extension
• VFPv3 Floating Point Unit
• Thumb-2 instruction set encoding
• Jazelle RCT (Also known as ThumbEE instruction set)
• Advanced branch prediction unit with >95% accuracy
• Integrated level 2 Cache (0–4 MiB)
• 2.0 DMIPS/MHz

Chips

Several system-on-chips (SoC) have implemented the Cortex-A8 core, including:

• Allwinner A1X
• Apple A4
• Freescale Semiconductor i.MX51
• Rockchip RK2918, RK2906
• Samsung Exynos 3110
• TI OMAP3
• TI Sitara ARM Processors
• Conexant CX92755

See also

• Comparison of ARMv7-A cores
• List of ARM microprocessor cores
• List of applications of ARM cores
• JTAG

External links

ARM Holdings

• Official website
• ARM Cortex-A8 Technical Reference Manuals