diff --git a/litex_boards/platforms/sitlinv_stlv7325.py b/litex_boards/platforms/sitlinv_stlv7325.py
index 4ad70f0..3501972 100644
--- a/litex_boards/platforms/sitlinv_stlv7325.py
+++ b/litex_boards/platforms/sitlinv_stlv7325.py
@@ -371,7 +371,57 @@ _connectors = [
         "LA32_P"        : "T20",
         "LA32_N"        : "R20",
         }
-    )
+    ),
+    ("BTB-A", {
+        15: "K23", # P
+        16: "J23", # N
+
+        18: "M24", # P
+        19: "L24", # N
+        20: "J24", # P
+        21: "J25", # N
+
+        23: "H21", # P
+        24: "G21", # N
+        25: "E21", # P
+        26: "E22", # N
+
+        28: "G22", # P
+        29: "F23", # N
+        30: "E25", # P
+        31: "D25", # N
+
+        33: "D23", # P
+        34: "D24", # N
+        35: "F22", # P
+        36: "E23", # N
+    }),
+    ("BTB-B", {
+        13: "L22", # P
+        14: "K22", # N
+        15: "N19", # P
+        16: "M20", # N
+
+        18: "J21", # P
+        19: "H22", # N
+        20: "J26", # P
+        21: "H26", # N
+
+        23: "G25", # P
+        24: "G26", # N
+        25: "F25", # P
+        26: "E26", # N
+
+        28: "D26", # P
+        29: "C26", # N
+        30: "A23", # P
+        31: "A24", # N
+
+        33: "B20", # P
+        34: "A20", # N
+        35: "B26",
+    })
+
 ]
 # Platform -----------------------------------------------------------------------------------------