Advanced HyperRAM/PSRAM Usage on i.MX RT
●The i.MX RT series MCU is a crossover product from NXP. It includes a FlexSPI controller which supports HyperBus devices (HyperFlash/HyperRAM), Serial NOR Flash or other device with similar SPI protocol as Serial NOR Flash, etc.
●How to Enable HyperRAM with i.MX RT (document AN12239) introduces the basic knowledge about how to enable HyperRAM with i.MX RT. This application note describes the advanced usage of HyperRAM/PSRAM when used with FlexSPI on i.MX RT MCU, including FlexSPI prefetch function, HyperRAM/PSRAM refresh interval, and HyperRAM devices supported for i.MX RT.
●In this application note, i.MX RT1050 and RT1170 are used as examples, and HyperRAM devices from different venders and PSRAM device from Apmemory are used for testing.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10/2020 |
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Rev. 0 |
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AN13028 |
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914 KB |
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