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Introduction:

iCESugar-pro is a FPGA board base on Lattice LFE5U-25F-6BG256C, which is fully supported by the open source toolchain (yosys & nextpnr), the board is designed in DDR2 SODIMM form with 106 usable IOs, with on-board 32MB SDRAM, it can run RISC-V Linux. the on board debugger iCELink (base on ARM Mbed DAPLink) support drag-and-drop program, you can just drag the FPGA bitstream into the virtual disk to program, and with a additional USB CDC serial port direct connect to FPGA, so you can only use one TYPE-C cable to develop and test.

Features:

Master chip Lattice ECP5 LFE5U-25F-BG256, 24K LUT/ MEM Block/RAM/Multiplier/PLL

The onboard debugger iCELink supports drag and drop burning/virtual serial port /JTAG

connects to 32MB SDRAM and supports RISC -v Linux

Mount 32MB SPI-Flash W25Q256

Use DDR SODIMM ports to route 106 I/OS

Fully developed using open source toolchain

Main control chip:

Lattice LFE5U-25F-6BG256C

24 k LUTs

18Kb x 56 sysMEM Blocks

1008 KB Embedded Memory

194 KB, Distributed RAM bits

28 18 x 18 Multipliers

PLLxl

The debugger:

The onboard iCELink debugger

Support drag and drop to burn Bitstream files & command line burn

Supports virtual serial ports

Support JTAG, compatible with CMSIS-DAP debugging

Peripherals:

Type-c USB is used for power supply download and debugging

32 MB SPI – Flash W25Q256

32 MB SDRAM IS42s16160B

RGB leds are used for testing

Onboard 25Mhz clock crystal oscillator

SDCARD slot, SPI/SDIO support

The DDR SODIMM leads to 106 available I/OS

Size:

Compact size 68mm x 32mm

Package includes:

1 xIcesugar-pro FPGA Development Board