You are here

Voltage Reference not on chip | Cypress Semiconductor

Voltage Reference not on chip

Summary: 2 Replies, Latest post by danaaknight on 08 Sep 2010 01:14 PM PDT
Verified Answers: 0
Last post
Log in to post new comments.
robertseczkowski's picture
User
127 posts

I've created circuit consisting of:
1. op-amp follower
2. voltage reference
3. analog pin P0_1
4. External resistor 20K on P0_1 to Power GND
Voltage measured on P0_1 regardless of Vref configuration (1.024 nor 0.256V) is always 1.811V
When set to Vdd/2 output is 3.3/2
regards
robert

user_14586677's picture
User
7648 posts

Take a look at this thread.

 

Regards, Dana.

user_14586677's picture
User
7648 posts
Log in to post new comments.