diff --git a/src/main/scala/backBoard/ebus/CDRIn.scala b/src/main/scala/backBoard/ebus/CDRIn.scala
index a5d5196..7447b62 100644
--- a/src/main/scala/backBoard/ebus/CDRIn.scala
+++ b/src/main/scala/backBoard/ebus/CDRIn.scala
@@ -13,7 +13,7 @@ class CDRInIO extends Bundle{
 
 
 abstract class CDRInBase extends Module{
-  def sampleRate: Int = 8
+  def sampleRate: Int = 4
 
   val io: CDRInIO = IO(new CDRInIO)
 
diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 3f21bb5..1fa671a 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -146,7 +146,7 @@ initial begin
 end
 
 initial begin
-	forever begin #10 clk8x <= ~clk8x; end
+	forever begin #20 clk8x <= ~clk8x; end
 end
 
 initial begin