Cirrus Logic - Cirrus Logic develops high-precision mixed-signal integrated circuits for a broad range of consumer and industrial markets including a variety of microcontrollers. Cirrus offers microcontrollers based on the ARM7 and ARM9 cores capable of 32-bit and 16-bit operation.
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Featured Product
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Product Training
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32-Bit
Featured Product
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 Cirrus Logic’s EP9301 is an ARM920T based system on a chip design with a large peripheral set targeted to a variety of applications. The ARM920T microcontroller core has a separate 16 KB, 64-way set associative instruction and data caches.
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 Created with the busy design engineer in mind, these product training tutorials are available in audio and non-audio versions. These unique tools facilitate faster time to market and make Digi-Key a true one-stop shop for all of our customers’ needs.
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ARM7
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 Cirrus Logic’s ARM720T based EP73xx MCUs incorporate a 32-Bit RISC core that controls a wide range of on-chip peripherals. The 74 or 90MHz ARM720T also includes a 8KB unified cache and a MMU compatible with operating systems like Windows® CE and Linux.
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ARM9
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 Cirrus Logic’s ARM920T based MCUs feature a 166 or 200MHz core and a very wide breadth of peripheral interfaces including EIDE, Ethernet, USB, IrDA, UARTs, LCD, Touch Screen, SPI, AC ’97, I2S, a 8 x 8 keypad scanner, PCMCIA, and much more. The series also features an MMU that supports Windows® CE, Linux, and many other embedded operating systems. The included 16KB instruction cache and 16KB data cache provide zero-cycle latency to the current program and data, or can be locked to provide guaranteed no-latency access to critical instructions and data.
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