既然ST的M4也出来了, 大家可能对M4的能力还没有感性的认识吧, 给大家看看M4和M3在音频解码能力的对比吧.
"If you have a 120MHz flash device, a Cortex-M3 will do MP3 decode for 20-25MHz. An M4 can do it in less than half the MHz," said Sadasivan. "An M4 could do 5.1 Dolby digital AC3 headset decode at 50MHz."
链接如下: http://www.electronicsweekly.com ... -cortex-m4-core.htm |
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