diff --git a/spiOverJtag/Makefile b/spiOverJtag/Makefile
index 1014fdf..163b593 100644
--- a/spiOverJtag/Makefile
+++ b/spiOverJtag/Makefile
@@ -1,5 +1,5 @@
 XILINX_PARTS := xc3s500evq100 xc6slx9tqg144 xc6slx16ftg256 xc6slx16csg324 xc6slx45csg324 xc6slx100fgg484 \
-	xc6slx150tfgg484 \
+	xc6slx150tfgg484 xc6slx150tcsg484 \
 	xc7a35tcpg236 xc7a35tcsg324 xc7a35tftg256 \
 	xc7a50tcsg324 xc7a50tcpg236 xc7a75tfgg484 \
 	xc7a100tcsg324 xc7a100tfgg484 xc7a100tfgg676\
diff --git a/spiOverJtag/build.py b/spiOverJtag/build.py
index dc13f32..bfa49a6 100755
--- a/spiOverJtag/build.py
+++ b/spiOverJtag/build.py
@@ -70,6 +70,7 @@ if tool in ["ise", "vivado"]:
         "xc6slx16csg324"   : "xc6s_csg324",
         "xc6slx45csg324"   : "xc6s_csg324",
         "xc6slx100fgg484"  : "xc6s_fgg484",
+        "xc6slx150tcsg484" : "xc6s_csg484",
         "xc6slx150tfgg484" : "xc6s_fgg484",
         "xc7a35tcpg236"    : "xc7a_cpg236",
         "xc7a35tcsg324"    : "xc7a_csg324",
@@ -101,6 +102,7 @@ if tool in ["ise", "vivado"]:
                             "xc6slx16csg324":   "xc6slx16",
                             "xc6slx45csg324":   "xc6slx45",
                             "xc6slx100fgg484":  "xc6slx100",
+                            "xc6slx150tcsg484": "xc6slx150t",
                             "xc6slx150tfgg484": "xc6slx150t",
                             "xc7k325tffg676":   "xc7k325t",
                             "xc7k325tffg900":   "xc7k325t",
@@ -113,6 +115,7 @@ if tool in ["ise", "vivado"]:
                             "xc6slx16csg324":   "csg324",
                             "xc6slx45csg324":   "csg324",
                             "xc6slx100fgg484":  "fgg384",
+                            "xc6slx150tcsg484": "csg484",
                             "xc6slx150tfgg484": "fgg484",
                             "xc7k325tffg676":   "ffg676",
                             "xc7k325tffg900":   "ffg900",
diff --git a/spiOverJtag/constr_xc6s_csg484.ucf b/spiOverJtag/constr_xc6s_csg484.ucf
new file mode 100644
index 0000000..79471b5
--- /dev/null
+++ b/spiOverJtag/constr_xc6s_csg484.ucf
@@ -0,0 +1,8 @@
+CONFIG VCCAUX = "2.5";
+
+NET "sdi_dq0"  LOC = AB17 | IOSTANDARD = LVCMOS33;
+NET "sdo_dq1"  LOC = Y17  | IOSTANDARD = LVCMOS33;
+NET "wpn_dq2"  LOC = V13  | IOSTANDARD = LVCMOS33;
+NET "hldn_dq3" LOC = W13  | IOSTANDARD = LVCMOS33;
+NET "csn"      LOC = AB5  | IOSTANDARD = LVCMOS33;
+NET "sck"      LOC = W17  | IOSTANDARD = LVCMOS33;
diff --git a/spiOverJtag/spiOverJtag_xc6slx150tcsg484.bit.gz b/spiOverJtag/spiOverJtag_xc6slx150tcsg484.bit.gz
new file mode 100644
index 0000000..adb5e30
Binary files /dev/null and b/spiOverJtag/spiOverJtag_xc6slx150tcsg484.bit.gz differ