| //`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 |