Forum Discussion
Altera_Forum
Honored Contributor
8 years ago --- Quote Start --- I think you are still in trouble if you can't split VCCA from the other supplies. 1.2V is OK as VccIO, but VccA is still required at 2.5V. I've long been irritated by the need to provide the 2.5V nominally for the PLLs even if I'm not using the PLL; I haven't tried it on MAX10, but certainly on older Altera families (Cyclone 2/3) it won't boot without the 2.5V being at the right voltage, even if you don't use the PLL after boot. Possibly the 2.5V also runs the internal oscillator that clocks the boot process. --- Quote End --- Yes re-read the documentation and it is mentioned that VccA is monitored by the por circuit (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/max-10/ug_m10_pwr.pdf) then the MAX10 will not boot. We choosed the WLCSP36 for its ultra small size, but in our configuration (with 3.3V IO needed) it requires 3 different supplies. We should probably consider to move to a bigger package with single supply. Maybe the M153 is a good trade-offwhich is only 8x8 mm. Best regards. Tim