OpenFPGA/openfpga_flow/VerilogNetlists/config_latch_set.v

38 lines
877 B
Verilog

//-----------------------------------------------------
// Design Name : config_latch
// File Name : config_latch.v
// Function : A Configurable Latch where data storage
// can be updated when wl is enabled
// Set is active high
// Coder : Xifan TANG
//-----------------------------------------------------
module config_latch_set (
input set, // Reset input
input wl, // Data Enable
input bl, // Data Input
output Q, // Q output
output Qb // Q output
);
//------------Internal Variables--------
reg q_reg;
//-------------Code Starts Here---------
always @ (set or bl or wl) begin
if (set) begin
q_reg <= 1'b1;
end else if (1'b1 == wl) begin
q_reg <= bl;
end
end
`ifndef ENABLE_FORMAL_VERIFICATION
// Wire q_reg to Q
assign Q = q_reg;
assign Qb = ~q_reg;
`else
assign Q = 1'bZ;
assign Qb = !Q;
`endif
endmodule