Cyclone IV 'core board' (Aliexpress)

Cyclone IV 'core board' (Aliexpress)

Cyclone IV FPGA EP4CE6E22C8N 'Core Board'

FPGA board information

  • FPGA: EP4CE6E22C8N
    • Logic Elements (LEs): 6,272
    • PLLs: 2
    • Embedded Memory: 276,480 bits
    • I/Os: 91
    • Package: 144-LQFP
  • USB-to-Serial Interface: CH340
    • FPGA TX pin: PIN_10
    • FPGA RX pin: PIN_23
  • Clock Sources
    • 50 MHz: PIN_24, PIN_25
    • 27 MHz: PIN_90, PIN_91
  • Push Buttons (Active-Low with Pull-Ups)
    • FPGA Reset: PIN_88
    • 4x User Buttons [3:0]: PIN_73, PIN_80, PIN_89, PIN_114
  • LEDs (Active-Low)
    • 5x LEDs [4:0]: PIN_1, PIN_2, PIN_3, PIN_7, PIN_11
  • On-Board Storage
    • Altera EPCS4N (Serial Configuration Device)
    • Winbond W25Q64JVSIQ (64 Mbit / 8 MB Serial NOR Flash)
      • MOSI: PIN_74
      • SCK:  PIN_75
      • MISO: PIN_84
      • CS:   PIN_87
      • Note that when IO2 (WP#) and IO3 (HOLD#) are connected to VCC (3.3V),  the W25Q64JVSIQ supports only Standard SPI and Dual SPI modes;  Quad SPI is not possible.