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我已经能够连接USB到串行适配器到我的DSPIC33 FJ128GP804 PIM,并发送字符到TyTalm会话。我的USB到串行适配器连接到处理器上的PIN 37,但是,当我使用我的范围来测量在Explorer 16/32上的PIN 50的信号时,我什么也看不见。PIM顶部的跳线位于UART位置。我还尝试删除跳线J37、J38、J42和J42,以确保没有设置错误。谢谢,史葛。
以上来自于百度翻译 以下为原文 I've been able to connect a USB to serial adapter to my dsPIC33FJ128GP804 PIM, and transmit characters to a Teraterm session. My USB to serial adapter is connected to pin 37 on the processor, However, when I use my scope to measure signals at pin 50 on the Explorer 16/32, I don't see anything. The jumper on the top of the PIM is in the UART position. I've also tried removing the jumpers J37, J38, J42, and J42 to make sure that nothing was set incorrectly. Thanks in advance, Scott |
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9个回答
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你能帮助核实,如果你使用PIM与零件号MA3300 19或MA3300 19-2?HTTP://www. MigCHIPInt.t/CufftSexCH..ASPX?关键字= MA3300 19www. MICCHIP.COM/MA3300 19 www. McCHIP.COM/MA3300 19-2
以上来自于百度翻译 以下为原文 can you help verify if you are using PIM with part number MA330019 or MA330019-2 ? http://www.microchipdirect.com/ProductSearch.aspx?Keywords=MA330019 www.microchip.com/ma330019 www.microchip.com/ma330019-2 |
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我想你可能已经看了错误的信息表/示意图。如果你在PIC上使用PIN 37,看起来你正在看MA3300 19的示意图,而不是MA3300 19-2。对于MA3300 19-2,应该使用PIC PIN 24为板UART TX.http://WW1.Microchip .com……N/DeviceDoc /51876A.PDF。
以上来自于百度翻译 以下为原文 i think you may have looked at the wrong info sheet/schematic. If you are using pin 37 on the PIC, it seems you were looking at the schematic for MA330019 and not MA330019-2. For MA330019-2, should be using PIC pin 24 for board UART TX... http://ww1.microchip.com/...n/DeviceDoc/51876A.pdf |
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当你说PIN 24时,是PIC设备还是PIM?应该是PIC引脚24,它连接到PIM接口引脚50,PIM接口引脚50连接到J38。
以上来自于百度翻译 以下为原文 when you say pin 24, is that PIC device or PIM ? Should be PIC pin 24, which is connected to PIM interface pin 50. And PIM interface pin 50 is connected to J38. |
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取出一个DMM并在PIC引脚24和PIM接口PIN 50PIM接口引脚50和J38之间进行一个连续性测试。好奇什么失踪。
以上来自于百度翻译 以下为原文 get out a DMM and do a continuity test between: PIC pin 24 and PIM interface pin 50 PIM interface pin 50 and J38 take a picture of your setup and share? curious on what else is missing. |
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还要检查PIM是否正确插入?如果插入时不小心,有时母板销向外弯曲,这是不连接的。
以上来自于百度翻译 以下为原文 also check that the PIM is inserted properly ? if not careful when inserting, sometimes the mother board pin is bent outward, and that's a no connect. |
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嗨,你有没有检查关于ExpRelix1632跳线的解释:http://MyCHIPCDeave.com /Boo:ExpRele1632,你使用终端SW配置MCP2221A吗?当做
以上来自于百度翻译 以下为原文 Hi, Have you checked explanations about EXPLORER1632 jumpers here : http://microchipdeveloper.com/boards:explorer1632 Did you configure MCP2221a using a terminal SW ? Regards |
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