Power sequencing for LPC4367

キャンセル
次の結果を表示 
表示  限定  | 次の代わりに検索 
もしかして: 

Power sequencing for LPC4367

1,235件の閲覧回数
akhilesh_sreedh
Contributor III

Hello,

The datasheet for LPC4367 recommends tying VDDREG and VDDIO pins to ensure same ramp-up time. Is there any recommended value for the ramp-up time? Also, do the other power-domains like the RTC domain, USB power domain require any power sequencing. 

I apologize if this as been asked before. I couldn't find any matching questions so asking the same.  

ラベル(1)
0 件の賞賛
返信
2 返答(返信)

968件の閲覧回数
soledad
NXP Employee
NXP Employee

Hi,

Please check the user manual for boot process timing (pages 66,67)

https://www.nxp.com/docs/en/user-guide/UM10503.pdf 

pastedImage_2.png

pastedImage_3.png


Have a great day,
Sol

-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

0 件の賞賛
返信

968件の閲覧回数
akhilesh_sreedh
Contributor III

Hi soledad,

My question was regarding the supply ramp-up time and the power sequencing mechanism of LPC4367. I have referred the pages 66 and 67 of UM10503. This document doesn't mention any recommended time for supply ramp-up. Is there a recommended time which is required for the supply to ramp-up? 

0 件の賞賛
返信