diff options
| -rw-r--r-- | techlibs/greenpak4/cells_sim.v | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v index d3a176b88..1234ce1b2 100644 --- a/techlibs/greenpak4/cells_sim.v +++ b/techlibs/greenpak4/cells_sim.v @@ -80,34 +80,39 @@ module GP_LFOSC(input PWRDN, output reg CLKOUT); always begin if(PWRDN) - clkout = 0; + CLKOUT = 0; else begin //half period of 1730 Hz #289017; - clkout = ~clkout; + CLKOUT = ~CLKOUT; end end endmodule -module GP_RINGOSC(input PWRDN, output reg CLKOUT); +module GP_RINGOSC(input PWRDN, output reg CLKOUT_PREDIV, output reg CLKOUT_FABRIC); parameter PWRDN_EN = 0; parameter AUTO_PWRDN = 0; - parameter OUT_DIV = 1; + parameter PRE_DIV = 1; + parameter FABRIC_DIV = 1; - initial CLKOUT = 0; + initial CLKOUT_PREDIV = 0; + initial CLKOUT_FABRIC = 0; //output dividers not implemented for simulation //auto powerdown not implemented for simulation always begin - if(PWRDN) - clkout = 0; + if(PWRDN) begin + CLKOUT_PREDIV = 0; + CLKOUT_FABRIC = 0; + end else begin //half period of 27 MHz #18.518; - clkout = ~clkout; + CLKOUT_PREDIV = ~CLKOUT_PREDIV; + CLKOUT_FABRIC = ~CLKOUT_FABRIC; end end |