4 * Copyright (c) 2012 Atmel Corporation. All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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16 * 2. Redistributions in binary form must reproduce the above copyright notice,
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17 * this list of conditions and the following disclaimer in the documentation
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18 * and/or other materials provided with the distribution.
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20 * 3. The name of Atmel may not be used to endorse or promote products derived
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21 * from this software without specific prior written permission.
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23 * 4. This software may only be redistributed and used in connection with an
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24 * Atmel microcontroller product.
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26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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36 * POSSIBILITY OF SUCH DAMAGE.
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42 #ifndef _SAM3XA_TRNG_COMPONENT_
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43 #define _SAM3XA_TRNG_COMPONENT_
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45 /* ============================================================================= */
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46 /** SOFTWARE API DEFINITION FOR True Random Number Generator */
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47 /* ============================================================================= */
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48 /** \addtogroup SAM3XA_TRNG True Random Number Generator */
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51 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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52 /** \brief Trng hardware registers */
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54 WoReg TRNG_CR; /**< \brief (Trng Offset: 0x00) Control Register */
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56 WoReg TRNG_IER; /**< \brief (Trng Offset: 0x10) Interrupt Enable Register */
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57 WoReg TRNG_IDR; /**< \brief (Trng Offset: 0x14) Interrupt Disable Register */
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58 RoReg TRNG_IMR; /**< \brief (Trng Offset: 0x18) Interrupt Mask Register */
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59 RoReg TRNG_ISR; /**< \brief (Trng Offset: 0x1C) Interrupt Status Register */
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60 RoReg Reserved2[12];
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61 RoReg TRNG_ODATA; /**< \brief (Trng Offset: 0x50) Output Data Register */
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63 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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64 /* -------- TRNG_CR : (TRNG Offset: 0x00) Control Register -------- */
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65 #define TRNG_CR_ENABLE (0x1u << 0) /**< \brief (TRNG_CR) Enables the TRNG to provide random values */
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66 #define TRNG_CR_KEY_Pos 8
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67 #define TRNG_CR_KEY_Msk (0xffffffu << TRNG_CR_KEY_Pos) /**< \brief (TRNG_CR) Security Key */
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68 #define TRNG_CR_KEY(value) ((TRNG_CR_KEY_Msk & ((value) << TRNG_CR_KEY_Pos)))
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69 /* -------- TRNG_IER : (TRNG Offset: 0x10) Interrupt Enable Register -------- */
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70 #define TRNG_IER_DATRDY (0x1u << 0) /**< \brief (TRNG_IER) Data Ready Interrupt Enable */
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71 /* -------- TRNG_IDR : (TRNG Offset: 0x14) Interrupt Disable Register -------- */
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72 #define TRNG_IDR_DATRDY (0x1u << 0) /**< \brief (TRNG_IDR) Data Ready Interrupt Disable */
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73 /* -------- TRNG_IMR : (TRNG Offset: 0x18) Interrupt Mask Register -------- */
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74 #define TRNG_IMR_DATRDY (0x1u << 0) /**< \brief (TRNG_IMR) Data Ready Interrupt Mask */
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75 /* -------- TRNG_ISR : (TRNG Offset: 0x1C) Interrupt Status Register -------- */
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76 #define TRNG_ISR_DATRDY (0x1u << 0) /**< \brief (TRNG_ISR) Data Ready */
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77 /* -------- TRNG_ODATA : (TRNG Offset: 0x50) Output Data Register -------- */
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78 #define TRNG_ODATA_ODATA_Pos 0
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79 #define TRNG_ODATA_ODATA_Msk (0xffffffffu << TRNG_ODATA_ODATA_Pos) /**< \brief (TRNG_ODATA) Output Data */
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84 #endif /* _SAM3XA_TRNG_COMPONENT_ */
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