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

cross mob
ReidWang
Level 1
Level 1
Distributor - Future(GC)
First like given 5 sign-ins First question asked

I have a touch button scheme , which uses cy8c4025azi-s413 .
I did not connect the 21 pin(Vddd) when designing the hardware. At present, the project has been mass produced.
inquired about the impact of this design problem on the scheme.
1 does the design have to be changed?
2 what is the impact on the design?
3 if there is a risk, what is the risk and why?
4 PINS 21 and 39 are the same power pins. Are they directly connected internally?

0 Likes
1 Solution
Roy_Liu
Moderator
Moderator
Moderator
First comment on KBA 10 questions asked First comment on blog

Hi

Recommend to change the design to have all Vddd pins connected to power supply though Vddds pins are connected internally. There is risk for such design, different Vddd pins power different function domains inside. 

Roy Liu

View solution in original post

0 Likes
1 Reply
Roy_Liu
Moderator
Moderator
Moderator
First comment on KBA 10 questions asked First comment on blog

Hi

Recommend to change the design to have all Vddd pins connected to power supply though Vddds pins are connected internally. There is risk for such design, different Vddd pins power different function domains inside. 

Roy Liu
0 Likes