Alinx ALTER AC4075, User Manual, Page: 8 / 19

ALINX ALTERA Core Board AC4075 User Manual
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and the model is M25P64, which uses the 3.3V CMOS voltage standard. Due
to the non-volatile nature of SPI FLASH, it can be used as a boot device for the
system to store the boot image of the system. These images mainly include
FPGA bit files, core application code and other user data files. The specific
models and related parameters of SPI FLASH are shown in Table 3-1.
Position Model Capacity Factory
U8 M25P64 64M Bit ST
Table 3-1: SPI FLASH Specification
Figure 3-1: SPI Flash schematic
Figure 3-2: M25P64 chip on the FPGA Board
SPI Flash pin assignments:
Pin Name FPGA Pin
DCLK K2