1 /* ----------------------------------------------------------------------------
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2 * SAM Software Package License
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2012, 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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42 /* Definition for fast RC frequency */
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43 #define FAST_RC_4MHZ CKGR_MOR_MOSCRCF_4MHz
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44 #define FAST_RC_8MHZ CKGR_MOR_MOSCRCF_8MHz
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45 #define FAST_RC_12MHZ CKGR_MOR_MOSCRCF_12MHz
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47 /* Definitions for startup count.
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48 * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us
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50 /* Default startup count for 4/8/12MHz fast RC (startup time: 10us ) */
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51 #define DEFAUTL_FAST_RC_COUNT 1
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52 /* Default startup count for 3-20MHz main oscilator (startup time: 1.4ms ) */
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53 #define DEFAUTL_MAIN_OSC_COUNT 8
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54 /* Default startup count for PLLA (startup time: 200us ) */
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55 #define DEFAUTL_PLLA_COUNT 1
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56 /* Default startup count for UPLL */
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57 #define DEFAUTL_UPLL_COUNT 3
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58 /* No change for default startup count */
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59 #define DEFAUTL_COUNT_NO_CHANGE 0xFFFF
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62 /*----------------------------------------------------------------------------
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63 * Exported functions
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64 *----------------------------------------------------------------------------*/
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70 extern void PMC_EnablePeripheral( uint32_t dwId ) ;
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71 extern void PMC_DisablePeripheral( uint32_t dwId ) ;
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73 extern void PMC_EnableAllPeripherals( void ) ;
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74 extern void PMC_DisableAllPeripherals( void ) ;
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76 extern uint32_t PMC_IsPeriphEnabled( uint32_t dwId ) ;
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78 extern void PMC_SelectExtOsc(void);
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79 extern void PMC_EnableExtOsc(void);
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80 extern void PMC_DisableExtOsc(void);
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81 extern void PMC_SelectExtBypassOsc(void);
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82 extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq);
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83 extern void PMC_DisableIntRC4_8_12MHz(void);
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84 extern void PMC_SetPllaClock(uint32_t mul, uint32_t div);
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85 extern void PMC_SetPllbClock(uint32_t mul, uint32_t div);
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86 extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler);
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87 extern void PMC_DisableAllClocks(void);
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88 extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div,
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89 uint32_t prescaler);
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90 extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div,
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91 uint32_t prescaler);
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92 extern void PMC_EnableXT32KFME(void);
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93 extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler);
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99 #endif /* #ifndef _PMC_ */
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