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iCESugar 是MuseLab基于Lattice iCE40UP5k设计的开源FPGA开发板,开发板小巧精致,资源丰富,板载RGB LED,Switch,TYPE-C-USB, Micro-USB,大部分IO以标准PMOD接口引出,可与标准PMOD外设进行对接,方便日常的开发使用。
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板载的调试器iCELink经过精心设计,支持拖拽烧录,用户只需将综合出的FPGA bitstream文件拖拽至虚拟U盘中,即可实现烧录。iCELink亦支持虚拟串口以和FPGA进行通信,同时引出JTAG接口,方便用户对FPGA上实现的SoC进行调试。
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Lattice的iCE40系列芯片在国外的开源创客社区中拥有大量拥趸,其所有的开发软件环境亦均为开源。一般来说,假若您使用Xilinx或者Altera系列的开发板,您需要安装复杂臃肿的IDE开发环境(而且一般为盗版,使用存在一定法律风险), 在未开始开发前,首先还先需要学会如何操作其复杂的IDE。 iCE40则使用完全开源的工具链进行开发,包括FPGA综合(yosys),布线(arachne-pnr & nextpnr), 打包烧录(icestorm),编译(gcc),只需在Linux下输入数条命令,即可将整套工具链轻松安装,随后即可开始您的FPGA之旅,而且这一切都是开源的,您可仔细研究整个过程中任何一个细节的实现,非常适合个人研究学习,对于有丰富经验的开发者,亦可用来作为快速的逻辑验证平台。典型的基于iCE40系列的开源开发板有iCEBreaker、UPduino、BlackIce、iCEstick、TinyFPGA 等,社区中拥有丰富的demo可用于验证测试,或者作为自己开发学习的参考。
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iCESugar是iCESugar系列的第一款开发板,[iCESugar-nano](https://github.com/wuxx/icesugar-nano)(基于Lattice iCE40LP1k) 和 [iCESugar-pro](https://github.com/wuxx/icesugar-pro)(基于Lattice ECP5)已经发布,以匹配不同的功能性能的需求。
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# 芯片规格
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iCE40UP5K-SG48
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* [Reference](#reference)
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# iCESugar
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iCESugar is a FPGA board made by MuseLab, it base on Lattice iCE40UP5k, on board peripheral include RGB LED,Switch,TYPE-C-USB, Micro-USB,most IO out with standard PMOD interface
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iCESugar is a FPGA board made by MuseLab, which is base on Lattice iCE40UP5k, on board peripherals include RGB LED,Switch,TYPE-C-USB, Micro-USB,most IO out with standard PMOD interface
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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, iCELink also support USB CDC serial port and JTAG
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iCESugar is the first board of iCESugar series FPGA Board, [iCESugar-nano](https://github.com/wuxx/icesugar-nano)(base on Lattice iCE40LP1k) and [iCESugar-pro](https://github.com/wuxx/icesugar-pro)(base on Lattice ECP5) are already released for difference needs.
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# Hardware
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