Atmel AT91SAM9G45 Microprocessor
Published time: 2019-12-19 14:49:21
The Atmel AT91SAM9G45 embedded microprocessor is designed to provide a high-performance processor solution with high flexibility for general and multimedia-oriented applications. The Atmel AT91SAM9G45 is based on the integration of an ARM926EJ-S processor with fast SRAM and a wide range of peripherals. This Atmel microprocessor (MPU) features efficient clock gating that greatly reduces power consumption under all conditions of use. The AT91SAM9G45 also provides internal multi-layer bus architecture associated with a multi-port DDR2, a 32-bit External Bus Interface, and 64 KB of internal SRAM that allows it to sustain high bandwidth required by its high speed peripherals. The hardware peripherals on the AT91SAM9G45 include a High Speed (480 Mbps) USB Device and Host with transceivers, a 10/100 Mbps Ethernet controller, a High Speed Multimedia Card interface, an LCD controller supporting STN and TFT displays up to 1289*860, a camera interface, and several communication peripherals.
ARM Holdings is the world's leading provider of semiconductor intellectual property (IP) and is therefore at the heart of digital electronics development. Headquartered in Cambridge, England, ARM has more than 1,700 employees and has offices around the world, including design centers in Belgium, France, India, Sweden and the United States. The ARM processor is the first RISC microprocessor designed by Acorn Computer for low budget markets. Earlier known as Acorn RISC Machine. The ARM processor itself is a 32-bit design, but it is also equipped with a 16-bit instruction set, which generally saves 35% compared to equivalent 32-bit code, while retaining all the advantages of a 32-bit system.
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