Forums › Reference, Evaluation, and Development Boards › C-SIP RED Platform, pullups to SYS_VDD1_3P3V
Hello,
For the following signals, is there some significance to using SYS_VDD1_3P3V, rather than SYS_VDD3_3P3V for example?
Boot-config resistors
USB1OCn
I2C0
Thank you,
Scott
Scott,
There is little significance to these pull-up voltage source. It is just much easier to pull-up these signals with a SYS_VDD1_3P3V power plane vs SYS_VDD3_3P3V. Please see OSD3358-SM-RED layout: https://octavosystems.com/octavo_products/osd3358-sm-red/#Design%20Files%20-%20OSD335x-SMÂ
Best,
Neeraj
Neeraj,
Thank you for your help.
Scott
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