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SAMV71Q21 датащи(PDF) 28 Page - Microchip Technology |
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SAMV71Q21 датащи(HTML) 28 Page - Microchip Technology |
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28 / 41 page ![]() 15. SDRAM Controller (SDRAMC) 15.1 SDRAM Controller Scrambling Use Limitation The scrambling/unscrambling feature of the SDRAM Controller (SDRAMC) has a use limitation. Workaround The read of a scrambled area must be performed with the same type of access done during the write of this area. As an example, it is recommended to write using 32-bit words and read 32-bit words. Affected Silicon Revisions A B X X 15.2 USB and SDRAM Concurrent Access Issue USB module functionality is adversely affected with concurrent SDRAM access. Workaround Ensure that no concurrent module operations when using both SDRAM and USB. Affected Silicon Revisions A B X X SAM E70/S70/V70/V71 Family SDRAM Controller (SDRAMC) © 2018 Microchip Technology Inc. Datasheet Errata DS80000767C-page 28 |
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