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ECP5 FPGA with 8MB PSRAM and extension header

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Main components

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Part NumberDescription
LFE5U-85F-8BG381CECP5 FPGA, 84K LUTs, 1.2V, BGA-381
IS25LP128FSPI Serial EEPROM, DIP-8/SOIC-8/TSSOP-8
FT231XQFull Speed USB to Full Handshake UART, QFN-20
IS66WVE4M16EBLL-70BLICypress Semiconductor CY62157EV30LL-55ZSXE SRAM Memory, 8Mbit, 2.2 3.6 V, 55ns 44-Pin TSOP

ECP5 schematic

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ECP5 board layout