1 /* ----------------------------------------------------------------------------
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2 * SAM Software Package License
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2011, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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33 /*----------------------------------------------------------------------------
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35 *----------------------------------------------------------------------------*/
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39 /*----------------------------------------------------------------------------
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41 *----------------------------------------------------------------------------*/
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43 /** Peripheral clock maxinum frequency */
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44 typedef struct _PeripheralClockMaxFreq {
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45 uint32_t bPeriphID; /**< Peripheral ID */
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46 uint32_t bMaxFrequency; /**< Max frequency*/
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47 } PeripheralClockMaxFreq;
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49 /*----------------------------------------------------------------------------
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50 * Exported functions
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51 *----------------------------------------------------------------------------*/
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57 extern void PMC_EnablePeripheral( uint32_t dwId ) ;
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58 extern void PMC_DisablePeripheral( uint32_t dwId ) ;
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60 extern void PMC_EnableAllPeripherals( void ) ;
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61 extern void PMC_DisableAllPeripherals( void ) ;
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63 extern uint32_t PMC_IsPeriphEnabled( uint32_t dwId ) ;
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65 extern void PMC_SelectExt32KCrystal(void);
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66 extern void PMC_SelectInt32kCrystal(void);
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67 extern void PMC_SelectExt12M_Osc(void);
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68 extern void PMC_SelectInt12M_Osc(void);
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69 extern void PMC_SwitchMck2Pll(void);
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70 extern void PMC_SwitchMck2Main(void);
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71 extern uint32_t PMC_SwitchMck2Slck(void);
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72 extern void PMC_SetPllA(uint32_t pll, uint32_t cpcr);
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73 extern void PMC_SetMckPrescaler(uint32_t prescaler);
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74 extern void PMC_SetMckDivider(uint32_t divider);
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75 extern void PMC_SetMckPllaDiv(uint32_t divider);
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76 extern void PMC_DisablePllA(void);
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77 extern uint32_t PMC_GetPeriMaxFreq( uint32_t dwId );
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78 extern uint32_t PMC_SetPeriMaxClock( uint32_t dwId, uint32_t mck);
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83 #endif /* #ifndef _PMC_ */
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