the INH PIN of TJA1145

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

the INH PIN of TJA1145

841 Views
CaoRq
Contributor II

Hi,NXP

    when I put TJA1145 into sleep mode and pull down VCC and VIO , the INH pin should be low;

    but I meet a problem :the INH pin will experience the process of  low - high - low  

    Can you tell me how to solve it?

    Thank you in advance

0 Kudos
Reply
4 Replies

818 Views
guoweisun
NXP TechSupport
NXP TechSupport

你能抓一些波形吗?INH 或者VCC/VIO。在INH 变化的时候做了些什么?

0 Kudos
Reply

813 Views
CaoRq
Contributor II

Hi,

   示波器那个波形我没有拍,用图给你描述一下,大概是下图这样INH.jpg

0 Kudos
Reply

770 Views
guoweisun
NXP TechSupport
NXP TechSupport

是不是中间又被唤醒了?

0 Kudos
Reply

766 Views
CaoRq
Contributor II

中间没有被唤醒,设定的特殊帧唤醒,没有发送can,WAKE脚是接地的

0 Kudos
Reply