The Active Serial (AS) configuration control block in Arria® 10 and Cyclone® 10 GX is fixed to 10 dummy clock cycles and 4 byte addressing, therefore only certain Macronix flash devices are supported for these FPGAs in Quartus® Prime Software version 18.1.
To work around this problem, the following Macronix* flash devices can be used in Active Serial (x1 and x4) configuration mode:
| 
			 Macronix  | 
			 Vendor  | 
			 Part  | 
			 Voltage  | 
			 Package  | 
			 Density  | 
			 OPN  | 
| 
			 Macronix  | 
			 MX25L  | 
			 2.7V-3.6V  | 
			 16-SOP  | 
			 128Mb  | 
			 MX25L12833FMI-10G  | |
| 
			 256Mb  | 
			 MX25L25645GMI-08G  | |||||
| 
			 512Mb  | 
			 MX25L51245GMI-08G  | |||||
| 
			 MX25U  | 
			 1.65V-2.0V  | 
			 24-TFBGA  | 
			 256Mb  | 
			 MX25U25645GXDI54  | ||
| 
			 512Mb  | 
			 MX25U51245GXDI54  | |||||
| 
			 1Gb  | 
			 MX66U1G45GXDI54  | |||||
| 
			 2Gb  | 
			 MX66U2G45GXRI54  | 
Refer to the list below for Macronix flash devices supported by Arria® 10 and the Cyclone® 10 GX devices in Quartus® Prime Software version 18.1.
| 
			 Vendor  | 
			 FPGA  | 
			 Part  | 
			 Voltage  | 
			 Package  | 
			 Density  | 
			 OPN  | 
| 
			 
 Macronix  | 
			 
 Arria® 10 and Cyclone® 10 GX  | 
			 
 MX25U  | 
			 
 1.65V-2.0V  | 
			 
 24-TFBGA  | 
			 256Mb  | 
			 MX25U25645GXDI54  | 
| 
			 512Mb  | 
			 MX25U51245GXDI54  | |||||
| 
			 1Gb  | 
			 MX66U1G45GXDI54  | |||||
| 
			 2Gb  | 
			 MX66U2G45GXRI54  |