diff --git a/Top/pwm_block/list/pwm_core_tb.sim b/Top/pwm_block/list/pwm_core_tb.sim
new file mode 100644
index 0000000..83b0711
--- /dev/null
+++ b/Top/pwm_block/list/pwm_core_tb.sim
@@ -0,0 +1,12 @@
+# Simulator xsim
+
+[generics]
+VCD_DUMPFILE=pwm_core_tb.vcd
+
+[properties]
+ACTIVE=1
+TOP=pwm_core_tb
+
+[files]
+pwm_block/src/pwm_core.v 
+pwm_block/sim/pwm_core_tb.v