Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
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LEDs connected to CPLD

Altera_Forum
Honored Contributor II
‎05-20-2007 06:32 AM
1,080 Views

Hello, 

 

I planning to connect up to 16 LED to MAX II CPLD (EPM240).  

 

1. Are there any special consideration I should take? I.E. pins on the CPLD that I should use / or do not use? 

 

2. Should I connect the LED in a "sink" or "source" mode? 

 

Thank you 

Eitan
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Altera_Forum
Honored Contributor II
‎05-20-2007 07:17 AM
362 Views

Eitan, 

 

http://www.altera.com/literature/an/an286.pdf (Application Note entitled "Implementing LED Drivers in MAX & MAX II Devices") answers your questions. 

 

Regards, 

 

--jmv
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Altera_Forum
Honored Contributor II
‎05-22-2007 05:13 PM
362 Views

Thank you, 

Eitan Barazani
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