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Diffstat (limited to 'src/mkm_test1.v')
-rw-r--r-- | src/mkm_test1.v | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mkm_test1.v b/src/mkm_test1.v new file mode 100644 index 0000000..64f1b5d --- /dev/null +++ b/src/mkm_test1.v @@ -0,0 +1,28 @@ +module mkm_test1 +( + output [3:0] leds // {red, yellow, green, blue} + // PCB: | BLUE | RED | YELLOW | GREEN | +); + + wire clk_osc_hf; // 48 MHz + + SB_HFOSC # + ( + .CLKHF_DIV ("0b00") + ) + SB_HFOSC_inst + ( + .CLKHFPU (1'b1), + .CLKHFEN (1'b1), + .CLKHF (clk_osc_hf) + ) /* synthesis ROUTE_THROUGH_FABRIC = 0 */; + + reg [26:0] cnt = 27'd0; + + always @(posedge clk_osc_hf) + // + cnt <= cnt + 1'b1; + + assign leds = cnt[26:23]; + +endmodule |