if(adc_reset == 1'b0)
						begin
							//load //0x07 register value=0x4B
							if (cnt <= 24)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg7 = configreg7 << 1;
									c_spi_sdo = configreg7[24];						
								end
								
							// wait	
							if (cnt > 24 && cnt<= 28)
								begin
									c_spi_cs <= 1'b1;
									c_spi_sdo = 1'b1;
									c_spi_config_done <= 1'b0;
								end
								
							// load	0x13 register value=0x00
							if (cnt > 28 && cnt<= 52)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg19r = configreg19r << 1;
									c_spi_sdo = configreg19r[24];
								
								end
							// wait 1 ms
							if (cnt > 52 && cnt<= 556)
								begin
									c_spi_cs <= 1'b1;
									c_spi_sdo = 1'b1;
									c_spi_config_done <= 1'b0;
								end
							
							// load 0x13 register value=0x01
							if (cnt > 556 && cnt<= 580)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg19s = configreg19s << 1;
									c_spi_sdo = configreg19s[24];
								end
							
							// wait
							if (cnt > 580 && cnt<= 584)
								begin
									c_spi_cs <= 1'b1;
									c_spi_sdo = 1'b1;
									c_spi_config_done <= 1'b0;
								end
							
							// load 0x19 register value=0x10
							if (cnt > 584 && cnt<= 608)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg25 = configreg25 << 1;
									c_spi_sdo = configreg25[24];
								end
							
							// wait
							if (cnt > 608 && cnt<= 612)
								begin
									c_spi_cs <= 1'b1;
									c_spi_sdo = 1'b1;
									c_spi_config_done <= 1'b0;
								end
								
							// load 0x1B register value=0x88
							if (cnt > 612 && cnt<= 636)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg27 = configreg27 << 1;
									c_spi_sdo = configreg27[24];
								end
							
							// wait
							if (cnt > 636 && cnt<= 640)
								begin
									c_spi_cs <= 1'b1;
									c_spi_sdo = 1'b1;
									c_spi_config_done <= 1'b0;
								end
								
							// load reference selection buffer 0x0E register value=0x0E
							if (cnt > 640 && cnt <= 664)
								begin
									c_spi_cs <= 1'b0;
									c_spi_config_done <= 1'b0;
									
									configreg14 = configreg14 << 1;
									c_spi_sdo = configreg14[24];
								end