diff --git a/sysmoOCTSIM/include/instance/supc.h b/sysmoOCTSIM/include/instance/supc.h
new file mode 100644
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+++ b/sysmoOCTSIM/include/instance/supc.h
@@ -0,0 +1,64 @@
+/**
+ * \file
+ *
+ * \brief Instance description for SUPC
+ *
+ * Copyright (c) 2018 Microchip Technology Inc.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the Licence at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef _SAME54_SUPC_INSTANCE_
+#define _SAME54_SUPC_INSTANCE_
+
+/* ========== Register definition for SUPC peripheral ========== */
+#if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
+#define REG_SUPC_INTENCLR          (0x40001800) /**< \brief (SUPC) Interrupt Enable Clear */
+#define REG_SUPC_INTENSET          (0x40001804) /**< \brief (SUPC) Interrupt Enable Set */
+#define REG_SUPC_INTFLAG           (0x40001808) /**< \brief (SUPC) Interrupt Flag Status and Clear */
+#define REG_SUPC_STATUS            (0x4000180C) /**< \brief (SUPC) Power and Clocks Status */
+#define REG_SUPC_BOD33             (0x40001810) /**< \brief (SUPC) BOD33 Control */
+#define REG_SUPC_BOD12             (0x40001814) /**< \brief (SUPC) BOD12 Control */
+#define REG_SUPC_VREG              (0x40001818) /**< \brief (SUPC) VREG Control */
+#define REG_SUPC_VREF              (0x4000181C) /**< \brief (SUPC) VREF Control */
+#define REG_SUPC_BBPS              (0x40001820) /**< \brief (SUPC) Battery Backup Power Switch */
+#define REG_SUPC_BKOUT             (0x40001824) /**< \brief (SUPC) Backup Output Control */
+#define REG_SUPC_BKIN              (0x40001828) /**< \brief (SUPC) Backup Input Control */
+#else
+#define REG_SUPC_INTENCLR          (*(RwReg  *)0x40001800UL) /**< \brief (SUPC) Interrupt Enable Clear */
+#define REG_SUPC_INTENSET          (*(RwReg  *)0x40001804UL) /**< \brief (SUPC) Interrupt Enable Set */
+#define REG_SUPC_INTFLAG           (*(RwReg  *)0x40001808UL) /**< \brief (SUPC) Interrupt Flag Status and Clear */
+#define REG_SUPC_STATUS            (*(RoReg  *)0x4000180CUL) /**< \brief (SUPC) Power and Clocks Status */
+#define REG_SUPC_BOD33             (*(RwReg  *)0x40001810UL) /**< \brief (SUPC) BOD33 Control */
+#define REG_SUPC_BOD12             (*(RwReg  *)0x40001814UL) /**< \brief (SUPC) BOD12 Control */
+#define REG_SUPC_VREG              (*(RwReg  *)0x40001818UL) /**< \brief (SUPC) VREG Control */
+#define REG_SUPC_VREF              (*(RwReg  *)0x4000181CUL) /**< \brief (SUPC) VREF Control */
+#define REG_SUPC_BBPS              (*(RwReg  *)0x40001820UL) /**< \brief (SUPC) Battery Backup Power Switch */
+#define REG_SUPC_BKOUT             (*(RwReg  *)0x40001824UL) /**< \brief (SUPC) Backup Output Control */
+#define REG_SUPC_BKIN              (*(RoReg  *)0x40001828UL) /**< \brief (SUPC) Backup Input Control */
+#endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
+
+/* ========== Instance parameters for SUPC peripheral ========== */
+#define SUPC_BOD12_CALIB_MSB        5       
+#define SUPC_BOD33_CALIB_MSB        5       
+
+#endif /* _SAME54_SUPC_INSTANCE_ */