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Description
FPGA: Lattice ECP5 LFE5U-85F-6BG381C (84K LUT); RAM: 194 - 669K bits; clock: 2.4 - 62 MHz, I/O: 197 - 365 user programmable
USB: FTDI FT231XS (500 kbit JTAG and 3Mbit USB-serial)
GPIO: 56 pins (28 differential pairs), PMOD-friendly with power out 3.3V/1A 2.5V/1.5A
RAM: 32MB SDRAM 166 MHz
FLASH: 4–16MB Quad-SPI Flash for FPGA config and user data storage
MASS STORAGE: Micro-SD slot
LEDS: 11 (8 user LEDs, 2 USB LEDs, 1 WiFi LED)
BUTTONS: 7 (4 direction, 2 fire, 1 power button)
AUDIO: 3.5 mm jack with 4 contacts (analog stereo + digital audio or composite video)
VIDEO: Digital video (GPDI General-Purpose Differential Interface) with 3.3V-5V I2C bidirectional level shifter
DISPLAY: placeholder for 0.96" SPI COLOR OLED SSD1331
WIFI+BLUETOOTH: placeholder for ESP-32 (Standalone JTAG web interface over WiFi)
ANTENNA: 27, 88–108, 144, 433 MHz FM/ASK onboard
ADC: 8 channels, 12 bit, 1 MSPS MAX11125
POWER: 3 Switching voltage regulators: 1.1V, 2.5V, 3.3V
CLOCK: 25 MHz onboard, external differential clock input
LOW POWER SLEEP: 5uA/5V standby, RTC MCP7940N clock wake-up, power button, 32768 Hz quartz with CR1225 battery backup