diff --git a/sim_1/imports/sim_1/tb_axi4_Lite_MM.v b/sim_1/imports/sim_1/tb_axi4_Lite_MM.v
index 9c4e4d5..ee814ca 100644
--- a/sim_1/imports/sim_1/tb_axi4_Lite_MM.v
+++ b/sim_1/imports/sim_1/tb_axi4_Lite_MM.v
@@ -114,9 +114,22 @@ module tb_axi4_Lite_MM;
            s_axi_wdata  = 32'h88_77_66_55;  //66_55_77_88;
            s_axi_wvalid = 1;
            //s_axi_bready = 1;
-                      
+          
+          #12
+          s_axi_araddr = 18'h10;  
+          #4 s_axi_arvalid = 1;         
+           s_axi_rready = 1;   
+          
+          #8;
+           s_axi_arvalid = 0;           // write
+           s_axi_awvalid = 1;
+           s_axi_awaddr = 18'h1C;
+           s_axi_wdata  = 32'h22_44_88_aa;  //66_55_77_88;
+           s_axi_wvalid = 1;
+           //s_axi_bready = 1;
+                
            #12;
-           s_axi_araddr = 18'h10;           // read
+           s_axi_araddr = 18'h1C;           // read
            #4 s_axi_arvalid = 1;         
            s_axi_rready = 1;