Secure Authentication中的主题 Re: SE050: Mifare SAM functionality + current consumption https://community.nxp.com/t5/Secure-Authentication/SE050-Mifare-SAM-functionality-current-consumption/m-p/946310#M104 <HTML><HEAD></HEAD><BODY><P>Hello Tim,</P><P></P><P>- The data sheet says that the SE050 also has a "MIFARE SAM functionality". But I didn't find any further information about it, neither in the datasheet nor in the application notes. When will more information on this topic be available?</P><P>- There will be a demo on this topic soon, please follow this product as below to get the notification when it is available.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89665i9B621E0172A06E44/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>- In the data sheet under "14.1.3 Power consumption" the currents of the SE050 in the different operating modes are indicated. How high is the supply voltage for this information?</P><P>-Please refer to the following for details.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89666iD1FAE5D844BE3A7D/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>- In the data sheet it is stated under "14.1.3 Power consumption" that fCPU=48MHz. Is it possible to operate the SE050 with a slower clock frequency to further reduce the current?</P><P>-No, it is not possible, BTW, what is the usecase? <SPAN style="font-size: 11.0pt;">why current consumption should be limited? Please help to clarify.</SPAN></P><P></P><P><SPAN style="font-size: 11.0pt;">Have a great day,<BR />Kan <BR /><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</SPAN></P><P></P></BODY></HTML> Tue, 25 Jun 2019 03:15:32 GMT Kan_Li 2019-06-25T03:15:32Z SE050: Mifare SAM functionality + current consumption https://community.nxp.com/t5/Secure-Authentication/SE050-Mifare-SAM-functionality-current-consumption/m-p/946309#M103 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have several questions about the SE050.</P><P></P><P>- The data sheet says that the SE050 also has a "MIFARE SAM functionality". But I didn't find any further information about it, neither in the datasheet nor in the application notes. When will more information on this topic be available?</P><P>- In the data sheet under "14.1.3 Power consumption" the currents of the SE050 in the different operating modes are indicated. How high is the supply voltage for this information?</P><P>- In the data sheet it is stated under "14.1.3 Power consumption" that fCPU=48MHz. Is it possible to operate the SE050 with a slower clock frequency to further reduce the current?</P><P></P><P>Best regards,<BR />Tim</P></BODY></HTML> Wed, 19 Jun 2019 10:40:44 GMT https://community.nxp.com/t5/Secure-Authentication/SE050-Mifare-SAM-functionality-current-consumption/m-p/946309#M103 timriddermann 2019-06-19T10:40:44Z Re: SE050: Mifare SAM functionality + current consumption https://community.nxp.com/t5/Secure-Authentication/SE050-Mifare-SAM-functionality-current-consumption/m-p/946310#M104 <HTML><HEAD></HEAD><BODY><P>Hello Tim,</P><P></P><P>- The data sheet says that the SE050 also has a "MIFARE SAM functionality". But I didn't find any further information about it, neither in the datasheet nor in the application notes. When will more information on this topic be available?</P><P>- There will be a demo on this topic soon, please follow this product as below to get the notification when it is available.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89665i9B621E0172A06E44/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>- In the data sheet under "14.1.3 Power consumption" the currents of the SE050 in the different operating modes are indicated. How high is the supply voltage for this information?</P><P>-Please refer to the following for details.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89666iD1FAE5D844BE3A7D/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>- In the data sheet it is stated under "14.1.3 Power consumption" that fCPU=48MHz. Is it possible to operate the SE050 with a slower clock frequency to further reduce the current?</P><P>-No, it is not possible, BTW, what is the usecase? <SPAN style="font-size: 11.0pt;">why current consumption should be limited? Please help to clarify.</SPAN></P><P></P><P><SPAN style="font-size: 11.0pt;">Have a great day,<BR />Kan <BR /><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</SPAN></P><P></P></BODY></HTML> Tue, 25 Jun 2019 03:15:32 GMT https://community.nxp.com/t5/Secure-Authentication/SE050-Mifare-SAM-functionality-current-consumption/m-p/946310#M104 Kan_Li 2019-06-25T03:15:32Z