diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index bd2860e..7dce3f6 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -9,9 +9,10 @@
 //`define ENABLE_EXCHG_DATA_SEQ0_TEST
 //`define ENABLE_EXCHG_DATA_SEQ1_TEST
 //`define ENABLE_EXCHG_DATA_SEQ2_TEST
+//`define ENABLE_EXCHG_DATA_SEQ3_TEST
 
-`define ENABLE_BC_R_TEST
-`define ENABLE_BC_W_TEST
+//`define ENABLE_BC_R_TEST
+//`define ENABLE_BC_W_TEST
 //`define ENABLE_BC_RW_TEST
 
 `define ENABLE_SYNC_TEST
@@ -865,6 +866,21 @@ initial begin
   end
 `endif
 
+`ifdef ENABLE_EXCHG_DATA_SEQ3_TEST
+  begin:EXCHG_DATA_SEQ3_TESTCASE
+    _t_start = $time;
+    #1000
+    $display("read&write @ %d", s_ShinTop_Mst.interface__io_cReg_timeStamp);
+    $fdisplay(spidata_file, "\n--->>>交换数据读写");
+
+
+    `include "seq_3_pkt.vh"
+
+    _t_end = $time;
+    $fdisplay(spidata_file, "该测试用例运行时间：%2tns\n", (_t_end - _t_start) / 1000);
+  end
+`endif
+
 `ifdef ENABLE_BC_R_TEST
   
   begin:EXCHG_DATA_BC_R_TESTCASE
diff --git a/tb/shinTest/gen_pkt.py b/tb/shinTest/gen_pkt.py
index c47d5c6..4024e19 100755
--- a/tb/shinTest/gen_pkt.py
+++ b/tb/shinTest/gen_pkt.py
@@ -437,7 +437,33 @@ if __name__ == '__main__':
                        +genTrgTransPktCode(gen_file_def, sm_idx)
                        +genReadAckPktCode(gen_file_def, sm_idx))
 
-    genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)    
+    genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
+
+
+    #-------------------------------------------------------------------------
+    #>>>>>>普通数据包3
+    genPkt.clean()
+    genPkt.setPktType(0)
+    
+    #subPkt参数：索引、索引类型、地址、命令、长度、数据
+    genPkt.addSubPkt(3, 0, 0x0100, 0x2, 32, b"\0"*129)
+    genPkt.addSubPkt(4, 0, 0x0100, 0x2, 32, b"\0"*140)
+    genPkt.addSubPkt(1, 0, 0x0100, 0x2, 32, b"\0"*128)
+    genPkt.addSubPkt(2, 0, 0x0100, 0x2, 32, b"\0"*152)
+
+    genPkt.addSubPkt(2, 0, 0x0120, 0x2,  2, b"\x05"*32)
+
+    gen_file_def = "seq_3_pkt"
+    sm_idx = 0
+
+    genPkt.addAfterExc(genWriteTransLenCode(gen_file_def, sm_idx)
+                       +genWriteTransPktCode(gen_file_def, sm_idx)
+                       +genTrgTransPktCode(gen_file_def, sm_idx)
+                       +genReadAckPktCode(gen_file_def, sm_idx))
+
+    genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
+
+
     
     #-------------------------------------------------------------------------
     #>>>>>>同步数据包