ARM AMBA NIC-301 Manual do Utilizador Página 2

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Understanding Vybrid Architecture, Application Note, Rev. 0, 07/2014
2 Freescale Semiconductor, Inc.
Vybrid architecture
2 Vybrid architecture
Vybrid controller solutions include one Cortex®-A5 core for the rich part of the application and one
Cortex-M4 for the real-time control part of the application, integrated with a large set of peripherals
interconnected by the Network Interconnect (NIC), which is the key point of the architecture.
Figure 1. Vybrid internal architecture
Figure 1 shows the internal architecture of the Vybrid controller solutions. Vybrid controller solutions
integrate the following parts:
ARM Cortex-A5: Includes FPU single and double precision, NEON Media Processing Engine,
ARM or thumb mode (32 or 16-bit instructions), 1.57 DMIPS per MHz integer performance,
eight-stage single issue pipeline, four-stage load/store pipeline, and five-stage FPU/MPE pipeline,
up to 500 MHz.
ARM Cortex-M4: Includes single-precision FPU, DSP and SIMD ISA extensions, thumb2 mode
only (16-bit instructions for smaller code size), three-stage pipeline, and 1.25 DMIPS per MHz
performance, up to 166 MHz.
NIC-301: High-performance optimized AMBA-compliant network infrastructure providing
hardware interconnect matrix between 10 masters and eight slaves. The NIC is optimized for 64-bit
AXI interface. NIC system bus fabric optimized for multi-master data bandwidth.
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