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Altera_Forum
Honored Contributor
16 years agounused pin and Quartus option set
In the cyclone iii Pin Connection Guidelines, some types unused pins are recommended to connnect to VCCIO, and some are recommended to connnect to GND. I have two questions: 1. Which option shoul...
Altera_Forum
Honored Contributor
15 years ago --- Quote Start --- this is actually dependent on the target device family. for example, Stratix II is default to driving ground. this is an important subtlety, especially when using development kits --- Quote End --- Hi, I am using the BeMicro SDK development board. If I want to do some basic hardware development with the Cyclone IV but do not want to use any of the attached devices (i.e. the flash and the DDR RAM), I am not certain on how to properly set the unused pins. Should I set to input with weak pull-up on all of the pins that are connected to other devices? Thanks! -Josh