Tip / 登入 to post questions, reply, level up, and achieve exciting badges. Know more

cross mob
Translation_Bot
Community Manager
Community Manager
Community Manager

您好,我們使用的晶片型號為S25FL512SAGMFMR10 ,Vcc供電電壓為3.3v,Vio的供電電壓為1.8v,我們現在是讓Vio先上電,然後Vcc再上電,請問這對flash晶片有什麼影響。

smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/Nor-Flash/S25FL512SAGMFMR10-Vio%E5%92%8CVcc%E4%B8%8A%E7%94%B5%E9%97%AE%E9%A2%98/td-p/661155

1 解決方案
Translation_Bot
Community Manager
Community Manager
Community Manager

嗨 libin,

參考datasheet:

Janine_Y_0-1702878983429.png

還是更建議先讓VCC上電。先讓VIO上電的話,無法保證不會出現異常。

Best Regards,

Janine

smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/Nor-Flash/S25FL512SAGMFMR10-Vio%E5%92%8CVcc%E4%B8%8A%E7%94%B5%E9%97%AE%E9%A2%98/m-p/661632

在原始文章中檢視解決方案

0
2 回應
Translation_Bot
Community Manager
Community Manager
Community Manager

嗨 libin,

參考datasheet:

Janine_Y_0-1702878983429.png

還是更建議先讓VCC上電。先讓VIO上電的話,無法保證不會出現異常。

Best Regards,

Janine

smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/Nor-Flash/S25FL512SAGMFMR10-Vio%E5%92%8CVcc%E4%B8%8A%E7%94%B5%E9%97%AE%E9%A2%98/m-p/661632

0
Translation_Bot
Community Manager
Community Manager
Community Manager

另外,並不是所有OPN都有Vio ,如果沒辦法保證Vio這個腳後於Vcc腳拉升,並且不需要1.8VVio信號的話,可以選擇不帶Vio腳的型號。

Janine_Y_0-1702966438602.jpeg

 

smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/Nor-Flash/S25FL512SAGMFMR10-Vio%E5%92%8CVcc%E4%B8%8A%E7%94%B5%E9%97%AE%E9%A2%98/m-p/662661

0