program device Epm

[LFun0]

Hi all, I need to burn cpld epm7256 and while using byteblaster usb and quartus 13 i can't access the device as it seems on the attached files, what does i miss? 

Thank you.

[ShafiqY_Intel]

Hi LFun0,

The TDI and TMS pins have internal weak pull-up resistors, while the TCK pin has an internal weak pulldown resistor. 

Intel recommends to:

• pull the TMS signal high externally through 10-kΩ and the
• pull the TCK signal low through 1-kΩ resistors.

Please refer to following link for more details (on page 5):

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/an100.pdf#page=5

Thanks😉