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PIC24FJ128GC010设备的数据表参考了文件DS7000 00 600作为中断控制器的参考手册。本文件属于“DSPIC33/PIC24系列参考手册”,在Microchip网站中,更确切地说是在设备的产品页面中引用的是“PIC24F系列参考手册”的DS3707A,这两个文档有不同的信息。例如,一个中断中断延迟是13个指令周期,另一个是4个循环。那么,我应该遵循哪一个文档?同样的问题适用于所有其他外设…
以上来自于百度翻译 以下为原文 The data sheet of the PIC24FJ128GC010 device refers the document DS70000600 as the reference manual for the interrupt controller. This document belongs to the "dsPIC33/PIC24 Family Reference Manual". In the Microchip website, more precisely in the device's product page it refers to the DS39707A, which is the "PIC24F Family Reference Manual". The two documents have different information. For example one says that the interrupt entry latency is 13 instruction cycles and the other is only 4 inst. cycles. So which document should I follow? The same question applies for all the other peripherals... |
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6个回答
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在设备的产品页面上列出的应该是最新的。
以上来自于百度翻译 以下为原文 The ones listed on the device's product page should be up to date. |
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4个周期来保存PC+标志和改变地址。3返回。大约90%的指令是1个循环。DS70214CCTAL 32。中断(第三部分)和16位MCU和DSC编程器的参考手册。
以上来自于百度翻译 以下为原文 4 cycles to preserve pc+flags and change address. 3 to return. Around 90% of the instructions are 1 cycle. DS70214C Section 32. Interrupts (Part III) And 16-bit MCU and DSC Programmer’s Reference Manual. |
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DS70214C是针对DSPIC3F/PIC24H系列,而不是这种情况。根据“参考手册下载页面”(以下链接),搜索此PIC返回:PIC24F系列参考手册(DS39 707A)。这个也提到了4个周期和3个周期。因此,数据表上的信息是不正确的。搜索还返回了用于其他外围设备的DSIC33/PIC24系列的一些文件。类型=参考数
以上来自于百度翻译 以下为原文 The DS70214C is for the dsPIC33F/PIC24H Family which is not the case. According to the "reference manuals download page" (link below), searching for this PIC returns: PIC24F Family Reference Manual (DS39707A). This one also mention 4 cycles in and 3 out. So the info on the data sheet is not correct. The search also returns some documents of the dsPIC33/PIC24 family for other peripherals... https://www.microchip.com/doclisting/TechDoc.aspx?type=ReferenceManuals |
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FRM部分通常具有相同的名称(可能是相同的区号),但指的是不同的设备。不要试图通过搜索功能找到一个文档。要找到正确的文档,作为QHB SaYa,转到网站的设备页面,然后查看“文档”部分,在那里您可以看到与该设备相关的FRM部分的链接。在它的生活中有几个不同的“化身”。例如,一组设备可以给UART一个FIFO,但是另一组(即使部件号非常相似)也没有UART。每一组都有一个不同的FRM部分,尽管这两个部分可能被称为“UART”或类似的东西。苏珊
以上来自于百度翻译 以下为原文 The FRM sections often have the same name (and perhaps the same section number) but refer to different devices. Don't try to find a document via the search functionality. To find the correct document as QHB saya, go to the device page of the web site and look in the 'Documentation' section where you will see links to the FRM sections that relate to that device. The reason for this is that a peripheral can go through several 'incarnations' in its life with varying functionality. For example, one set of devices may give a UART a FIFO but another set (even if the part numbers are very similar) have the UART without. Each set will have a different FRM section although both maybe called "UART" or something similar. Susan |
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只是为了确认上面所说的…在MSCLE网站上搜索你的芯片。当查看它的“产品页面”时,向下滚动并选择“文档”选项卡。这将列出所有适用的、最新的设备手册部分。这是由于一些文件逐步更新以覆盖多个家庭。不是很好,但是你知道。有些设备已经有十年历史了,所以文件已经被后来的文件所取代,以适应其他的功能。T Yorky
以上来自于百度翻译 以下为原文 Just to confirm what said above... search your chip on the MChip site. When viewing it's 'product page', scroll down and select the Documetation tab. This will list all the applicable, latest manual sections for your device. You will note there is gaps in the section numbering... this is due to the progressive updates of some documents to cover a number of families. Not nice, but there you are. Some devices are a decade old so documents have been superceded by later ones to accommodate additional features.. T Yorky |
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产品页面上的文档部分与一般的“参考手册下载页面”一致。我只是不明白为什么Microchip没有更新设备数据表,更确切地说是在每个部分开始的正方形内的信息。
以上来自于百度翻译 以下为原文 The documentation section on the product page is consistent with the general "reference manuals download page". I just don't understand why Microchip does not update the device data sheet, more precisely the information inside the squares at the beginning of each section. |
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