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嗨,我想知道我是否可以在PIC32上得到一个建议,我可以用它来读取一个12位模数转换器,它的采样率是每秒65兆个采样。我需要阅读13 GPIO引脚在那个速率。我正在考虑使用DSPIC,但我被告知,在论坛上,他们不能做这项工作,我不想使用FPGA,除非我真的需要。我正在考虑一个PIC32 MX470F512H,它运行的CPU在120兆赫,但我不知道在什么速度它可以访问它的GPIO PIN。对不起,如果我是短的,不写任何东西,这是我的第四次写作,因为一些原因,当我试图张贴论坛告诉我再次登录,显然是检查。K盒子对我不管用。
以上来自于百度翻译 以下为原文 Hi, I was wondering if I could get a recommendation on a PIC32 that I can use to read a 12bit analog digital converter that has a sample rate of 65 Mega samples per second. I would need to read 13 GPIO pins at that rate. I was considering using a DSPic, but I was told that, in the forums, that they wouldn't be able to do the job and I don't want to use an FPGA unless I really need to. I am considering a PIC32MX470F512H , that runs it's cpu at 120 Mhz, but I don't know at what speed it can access its GPIO pins. sorry if I'm being short and not writing everything this is my 4th time writting, for some reason when I try to post the forum tells me to log in again, apparently the check box isn't working for me. |
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我不认为任何PIC32对于那种数据速率是有用的。PIC32 MX470F512H具有6Kib的RAM,它不会存储许多样品,并且在120 MHz时,每个样品的处理时间少于两个时钟周期。
以上来自于百度翻译 以下为原文 I don't think any PIC32 is useful for that kind of data rates. The PIC32MX470F512H has 64KiB of RAM, which won't store many samples, and at 120MHz you have less than two clock cycles for processing each sample. |
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