1.開發板

核心板，主芯片GW1NSR-LV4CQN48P，絲印文字“奧陶紀Octet，QQ群808770961”：

晶振：27MHz，22引腳

兩個按鍵：靠近中間，23引腳，按下為低電平；靠近外側，20引腳，按下為低電平

靠近USB接口右側6針為JTAG接口，引腳定義為左側絲印文字，在6針下側有4個撥碼開關，“on”位置對板載FPGA編程。

底板，絲印文字“Mini_Star Basic Experiment Board”：

8個LED：低電平亮

數碼管段碼：低電平亮

數碼管位碼：高電平選中

撥碼開關(SW)：撥上高電平，撥下低電平

按鍵(KEY)：不按高電平，按下低電平

2.IDE軟件

版本要求1.9.9及以上，下載地址：廣東高云半導體科技股份有限公司 (gowinsemi.com.cn)

3.示例

點燈程序，以FPGA內部集成210Mhz振蕩器作為時鐘源，利用OSC核：

module Gowin_OSC (Q);
output reg[7:0] Q;
reg [11:0] cnt;OSCZ osc_inst (.OSCOUT(oscout),.OSCEN(1'b1)
);defparam osc_inst.FREQ_DIV = 128;  //210M經此分頻后約1.64M
defparam osc_inst.S_RATE = "SLOW";always@(posedge oscout )cnt<=cnt+1'b1;always@(posedge cnt[11] )Q<=Q+1'b1;
endmodule //Gowin_OSC

引腳約束

IO_LOC "Q[7]" 34;
IO_PORT "Q[7]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[6]" 35;
IO_PORT "Q[6]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[5]" 31;
IO_PORT "Q[5]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[4]" 32;
IO_PORT "Q[4]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[3]" 29;
IO_PORT "Q[3]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[2]" 30;
IO_PORT "Q[2]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[1]" 27;
IO_PORT "Q[1]" PULL_MODE=NONE DRIVE=8;
IO_LOC "Q[0]" 28;
IO_PORT "Q[0]" PULL_MODE=NONE DRIVE=8;

利用PLL實現的，時鐘為27M。

module Gowin_PLLVR (Q, clkin);
output reg[7:0] Q;
input clkin;  //27Mwire lock_o;
wire clkoutp_o;
wire clkoutd_o;
wire clkoutd3_o;
wire gw_vcc;
wire gw_gnd;reg [11:0] cnt;assign gw_vcc = 1'b1;
assign gw_gnd = 1'b0;PLLVR pllvr_inst (  //5.4M輸出.CLKOUT(clkout),.LOCK(lock_o),.CLKOUTP(clkoutp_o),.CLKOUTD(clkoutd_o),.CLKOUTD3(clkoutd3_o),.RESET(gw_gnd),.RESET_P(gw_gnd),.CLKIN(clkin),.CLKFB(gw_gnd),.FBDSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.IDSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.ODSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.PSDA({gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.DUTYDA({gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.FDLY({gw_gnd,gw_gnd,gw_gnd,gw_gnd}),.VREN(gw_vcc)
);defparam pllvr_inst.FCLKIN = "27";
defparam pllvr_inst.DYN_IDIV_SEL = "false";
defparam pllvr_inst.IDIV_SEL = 4;
defparam pllvr_inst.DYN_FBDIV_SEL = "false";
defparam pllvr_inst.FBDIV_SEL = 0;
defparam pllvr_inst.DYN_ODIV_SEL = "false";
defparam pllvr_inst.ODIV_SEL = 112;
defparam pllvr_inst.PSDA_SEL = "0000";
defparam pllvr_inst.DYN_DA_EN = "true";
defparam pllvr_inst.DUTYDA_SEL = "1000";
defparam pllvr_inst.CLKOUT_FT_DIR = 1'b1;
defparam pllvr_inst.CLKOUTP_FT_DIR = 1'b1;
defparam pllvr_inst.CLKOUT_DLY_STEP = 0;
defparam pllvr_inst.CLKOUTP_DLY_STEP = 0;
defparam pllvr_inst.CLKFB_SEL = "internal";
defparam pllvr_inst.CLKOUT_BYPASS = "false";
defparam pllvr_inst.CLKOUTP_BYPASS = "false";
defparam pllvr_inst.CLKOUTD_BYPASS = "false";
defparam pllvr_inst.DYN_SDIV_SEL = 2;
defparam pllvr_inst.CLKOUTD_SRC = "CLKOUT";
defparam pllvr_inst.CLKOUTD3_SRC = "CLKOUT";
defparam pllvr_inst.DEVICE = "GW1NSR-4C";always@(posedge clkout )cnt<=cnt+1'b1;always@(posedge cnt[11] )Q<=Q+1'b1;endmodule //Gowin_PLLVR

引腳約束在以上基礎上，增加clkin：

IO_LOC "clkin" 22;
IO_PORT "clkin" PULL_MODE=UP;