diff --git a/include/fsl_ifc.h b/include/fsl_ifc.h
index fd91533..e1e6214 100644
--- a/include/fsl_ifc.h
+++ b/include/fsl_ifc.h
@@ -52,6 +52,8 @@
 /* Machine Select */
 #define CSPR_MSEL			0x00000006
 #define CSPR_MSEL_SHIFT			1
+/* External Transceiver Enable */
+#define CSPR_TE			0x00000010
 /* NOR */
 #define CSPR_MSEL_NOR			0x00000000
 /* NAND */