MAX490E应用电路

根据提供的引用内容，我无法找到关于MAX490E应用电路的具体信息。引用提及了MAX485的电路设计图纸，但没有提到MAX490E。引用则提到了MAX3160芯片的应用知识，但没有提到MAX490E。引用是关于Python的numpy库的使用，与MAX490E应用电路无关。由于没有更多的引用内容提供相关信息，我无法回答关于MAX490E应用电路的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [485MAX13487E.zip_MAX13487 pcb_MAX13487E_detailt8x_max485e电路_max4](https://download.csdn.net/download/weixin_42662293/86200832)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [MAX3160E应用与RS485,RS232电路介绍](https://download.csdn.net/download/aprilheart/12737980)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [python numpy库的使用 python基础，演示了numpy库的使用，提供python2例程代码，适合初学者](https://download.csdn.net/download/li171049/88225556)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
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