blob: df1d14962b4e1aedfcf5f2c1e476593c1c596955 [file] [log] [blame]
//`define USE_DFFRAM_BEH
module RAM_6Kx32 (
`ifdef USE_POWER_PINS
VPWR,
VGND,
`endif
CLK,
WE,
EN,
Di,
Do,
A
);
`ifdef USE_POWER_PINS
input VPWR;
input VGND;
`endif
input CLK;
input [3:0] WE;
input EN;
input [31:0] Di;
output [31:0] Do;
input [12:0] A;
localparam BLOCKS=6;
wire [BLOCKS-1:0] _EN_ ;
wire [31:0] _Do_ [BLOCKS-1:0];
generate
genvar gi;
for(gi=0; gi<BLOCKS; gi=gi+1)
`ifdef USE_DFFRAM_BEH
DFFRAM_beh
`else
DFFRAM_4KB
`endif
#(.COLS(4)) RAM (
`ifdef USE_POWER_PINS
.VPWR(VPWR),
.VGND(VGND),
`endif
.CLK(CLK),
.WE(WE),
.EN(_EN_[gi]),
.Di(Di),
.Do(_Do_[gi]),
.A(A[9:0])
);
endgenerate
// The block decoder
assign _EN_[0] = A[12:10] == 3'd0;
assign _EN_[1] = A[12:10] == 3'd1;
assign _EN_[2] = A[12:10] == 3'd2;
assign _EN_[3] = A[12:10] == 3'd3;
assign _EN_[4] = A[12:10] == 3'd4;
assign _EN_[5] = A[12:10] == 3'd5;
// Output Data multiplexor
assign Do = (A[12:10] == 3'd0) ? _Do_[0] :
(A[12:10] == 3'd1) ? _Do_[1] :
(A[12:10] == 3'd2) ? _Do_[2] :
(A[12:10] == 3'd3) ? _Do_[3] :
(A[12:10] == 3'd4) ? _Do_[4] :
(A[12:10] == 3'd5) ? _Do_[5] : 32'd0;
endmodule