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Altera_Forum
Honored Contributor
15 years agoCyclone IV goes into an undefined state
:( I'm using EP4CE10E22C8, in AS MODE. I have +1.2V supply for VCCINT and VCCD_PLL1,2; +2.5V for VCCA1,2, and +3.3V for all VCCIOs. MSEL2 and MSEL0 grounded. MSEL1 is connected to +2.5V. All...
Altera_Forum
Honored Contributor
15 years agoYES, NCONFIG, TDI and TMS are forced low by the FPGA and All voltages are good.
Furthermore, even NCONFIG, TDI and TMS have pull-up resistors. nCONFIG is connected via pull-up to 3.3V and TDI ,TMS are connected through pull-up to 2.5V