atmega16的片子1KB的SRAM运行内存够用吗?

\u5185\u5b58\u67611KB=\u591a\u5c11M

\u7cfb\u7edf\u5bf9\u5185\u5b58\u7684\u8bc6\u522b\u662f\u4ee5Byte\uff08\u5b57\u8282\uff09\u4e3a\u5355\u4f4d\uff0c\u6bcf\u4e2a\u5b57\u8282\u75318\u4f4d\u4e8c\u8fdb\u5236\u6570\u7ec4\u6210\uff0c\u53738bit\uff08\u6bd4\u7279\uff0c\u4e5f\u79f0\u201c\u4f4d\u201d\uff09\u3002\u6309\u7167\u8ba1\u7b97\u673a\u7684\u4e8c\u8fdb\u5236\u65b9\u5f0f\uff0c1Byte=8bit\uff1b1KB=1024Byte\uff1b1MB=1024KB\uff1b1GB=1024MB\uff1b1TB=1024GB\u3002

\u901a\u8fc7\u8fd9\u91cc 1MB\uff1d1024KB
\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa 1KB\uff1d1/1024MB

\u53ef\u4e8b\u5b9e\u4e0d\u80fd\u8fd9\u6837\u7b97

\u5185\u5b58\u5bb9\u91cf\u662f\u6307\u8be5\u5185\u5b58\u6761\u7684\u5b58\u50a8\u5bb9\u91cf\uff0c\u662f\u5185\u5b58\u6761\u7684\u5173\u952e\u6027\u53c2\u6570\u3002\u5185\u5b58\u5bb9\u91cf\u4ee5MB\u4f5c\u4e3a\u5355\u4f4d\uff0c\u53ef\u4ee5\u7b80\u5199\u4e3aM\u3002\u5185\u5b58\u7684\u5bb9\u91cf\u4e00\u822c\u90fd\u662f2\u7684\u6574\u6b21\u65b9\u500d\uff0c\u6bd4\u598264MB\u3001128MB\u3001256MB\u7b49\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u5185\u5b58\u5bb9\u91cf\u8d8a\u5927\u8d8a\u6709\u5229\u4e8e\u7cfb\u7edf\u7684\u8fd0\u884c\u3002\u76ee\u524d\u53f0\u5f0f\u673a\u4e2d\u4e3b\u6d41\u91c7\u7528\u7684\u5185\u5b58\u5bb9\u91cf\u4e3a256MB\u6216512MB\uff0c 64MB\u3001128MB\u7684\u5185\u5b58\u5df2\u8f83\u5c11\u91c7\u7528\u3002

\u56e0\u4e3a\u60a8\u672a\u80fd\u8bf4\u660e\u60a8\u7684\u5185\u5b58\u6761\u662f\u51e0\u6761\uff0c\u6240\u4ee5\u901a\u8fc7\u4e0a\u9762\u8bf4\u660e\u53ef\u4ee5\u5224\u65ad\u60a8\u7684\u5185\u5b58\u6761\u5e94\u8be5\u662f\u4e24\u6761\uff0c\u5206\u522b\u662f128M\u548c256M\u3002

\u5e0c\u671b\u6211\u7684\u7b54\u590d\u5bf9\u60a8\u6709\u5e2e\u52a9\uff01

SRAM\uff08Static RAM\uff09\u610f\u4e3a\u9759\u6001\u968f\u673a\u5b58\u50a8\u5668\u3002SRAM\u6570\u636e\u4e0d\u9700\u8981\u901a\u8fc7\u4e0d\u65ad\u5730\u5237\u65b0\u6765\u4fdd\u5b58\uff0c\u56e0\u6b64\u901f\u5ea6\u6bd4DRAM\uff08\u52a8\u6001\u968f\u673a\u5b58\u50a8\u5668\uff09\u5feb\u5f97\u591a\u3002\u4f46\u662fSRAM\u5177\u6709\u7684\u7f3a\u70b9\u662f\uff1a\u540c\u5bb9\u91cf\u76f8\u6bd4DRAM\u9700\u8981\u975e\u5e38\u591a\u7684\u6676\u4f53\u7ba1\uff0c\u53d1\u70ed\u91cf\u4e5f\u975e\u5e38\u5927\u3002\u56e0\u6b64SRAM\u96be\u4ee5\u6210\u4e3a\u5927\u5bb9\u91cf\u7684\u4e3b\u5b58\u50a8\u5668\uff0c\u901a\u5e38\u53ea\u7528\u5728CPU\u3001GPU\u4e2d\u4f5c\u4e3a\u7f13\u5b58\uff0c\u5bb9\u91cf\u4e5f\u53ea\u6709\u51e0\u5341K\u81f3\u51e0\u5341M\u3002
SRAM\u76ee\u524d\u53d1\u5c55\u51fa\u7684\u4e00\u4e2a\u5206\u652f\u662feSRAM\uff08Enhanced SRAM\uff09\uff0c\u4e3a\u589e\u5f3a\u578bSRAM\uff0c\u5177\u5907\u66f4\u5927\u5bb9\u91cf\u548c\u66f4\u9ad8\u8fd0\u884c\u901f\u5ea6\u3002

如果只是为单独显示一张图片的话,那用不了多大的内存。你是用的SPI FLASH存储图片,这芯片一个扇区一般是512字节,一次读取一个扇区,那么mega16的1k内存是够用的。

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