ARM Cortex A9 CPU subsystem

Processor subsystem based on the processor ARM Cortex A9, and has a dual-core configuration.

Key Features:

Each core has the following features:

  • ARM v7 processor with a clock frequency of 600 MHz
  • 32K L1 Instruction Cache parity
  • 32 KB L1 data cache parity
  • Built-in FPU operations for single and double precision data scalar floating-point
  • The memory management unit (MMU)
  • Instruction set support for ARM, Thumb2 and Thumb2-EE
  • Program Trace Macrocell (PTM) and CoreSight © component for software debugging
  • 32-bit timer with 8-bit divisor
  • The internal watchdog (also works as a timer)

Dual core configuration completes a common set of components:

  • Snoop Control Unit (SCU) for controlling communication between processes, cache memory and cache memory and transfer RAM, cache coherency
  • Shared interrupt control unit (GCA) is configured to support 128 independent interrupt sources with software configurable priorities and routing between the two nuclei
  • 64-bit global timer with an 8-bit divisor
  • Accelerator coherence port (ACP)
  • Support for parity for fault detection performance for other internal memories
  • 512 KB single 8-way associative L2 cache with ECC support
  • L2 cache controller based on ARM PL310 IP released
  • Dual asynchronous 64-bit AMBA 3 AXI interface with the ability to filter on the second use one port to access DDR memory
  • JTAG-interface and monitor port: debug and trace may be prohibited by OTP

Comments

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Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

Robinjack's picture Robinjack replied on

Construction Managers are responsible for a variety of facets of the construction process from the initial implementation of the project to its completion. They assures that the project remains within the client's budget and stays within its drafted timeline. He or she makes sure that all aspects of the project adhere to a high level of quality and standards. หิน เดิน ได้

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