gclk.h 4.3 KB

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  1. /**
  2. * \file
  3. *
  4. * \brief Instance description for GCLK
  5. *
  6. * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
  7. *
  8. * \asf_license_start
  9. *
  10. * \page License
  11. *
  12. * Redistribution and use in source and binary forms, with or without
  13. * modification, are permitted provided that the following conditions are met:
  14. *
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. *
  18. * 2. Redistributions in binary form must reproduce the above copyright notice,
  19. * this list of conditions and the following disclaimer in the documentation
  20. * and/or other materials provided with the distribution.
  21. *
  22. * 3. The name of Atmel may not be used to endorse or promote products derived
  23. * from this software without specific prior written permission.
  24. *
  25. * 4. This software may only be redistributed and used in connection with an
  26. * Atmel microcontroller product.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
  29. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  30. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
  31. * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
  32. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  36. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  37. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38. * POSSIBILITY OF SUCH DAMAGE.
  39. *
  40. * \asf_license_stop
  41. *
  42. */
  43. /*
  44. * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
  45. */
  46. #ifndef _SAMD21_GCLK_INSTANCE_
  47. #define _SAMD21_GCLK_INSTANCE_
  48. /* ========== Register definition for GCLK peripheral ========== */
  49. #if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
  50. #define REG_GCLK_CTRL (0x40000C00U) /**< \brief (GCLK) Control */
  51. #define REG_GCLK_STATUS (0x40000C01U) /**< \brief (GCLK) Status */
  52. #define REG_GCLK_CLKCTRL (0x40000C02U) /**< \brief (GCLK) Generic Clock Control */
  53. #define REG_GCLK_GENCTRL (0x40000C04U) /**< \brief (GCLK) Generic Clock Generator Control */
  54. #define REG_GCLK_GENDIV (0x40000C08U) /**< \brief (GCLK) Generic Clock Generator Division */
  55. #else
  56. #define REG_GCLK_CTRL (*(RwReg8 *)0x40000C00U) /**< \brief (GCLK) Control */
  57. #define REG_GCLK_STATUS (*(RoReg8 *)0x40000C01U) /**< \brief (GCLK) Status */
  58. #define REG_GCLK_CLKCTRL (*(RwReg16*)0x40000C02U) /**< \brief (GCLK) Generic Clock Control */
  59. #define REG_GCLK_GENCTRL (*(RwReg *)0x40000C04U) /**< \brief (GCLK) Generic Clock Generator Control */
  60. #define REG_GCLK_GENDIV (*(RwReg *)0x40000C08U) /**< \brief (GCLK) Generic Clock Generator Division */
  61. #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
  62. /* ========== Instance parameters for GCLK peripheral ========== */
  63. #define GCLK_GENDIV_BITS 16
  64. #define GCLK_GEN_NUM 9 // Number of Generic Clock Generators
  65. #define GCLK_GEN_NUM_MSB 8 // Number of Generic Clock Generators - 1
  66. #define GCLK_GEN_SOURCE_NUM_MSB 8 // Number of Generic Clock Sources - 1
  67. #define GCLK_NUM 37 // Number of Generic Clock Users
  68. #define GCLK_SOURCE_DFLL48M 7 // DFLL48M output
  69. #define GCLK_SOURCE_FDPLL 8 // FDPLL output
  70. #define GCLK_SOURCE_GCLKGEN1 2 // Generic clock generator 1 output
  71. #define GCLK_SOURCE_GCLKIN 1 // Generator input pad
  72. #define GCLK_SOURCE_NUM 9 // Number of Generic Clock Sources
  73. #define GCLK_SOURCE_OSCULP32K 3 // OSCULP32K oscillator output
  74. #define GCLK_SOURCE_OSC8M 6 // OSC8M oscillator output
  75. #define GCLK_SOURCE_OSC32K 4 // OSC32K oscillator outpur
  76. #define GCLK_SOURCE_XOSC 0 // XOSC oscillator output
  77. #define GCLK_SOURCE_XOSC32K 5 // XOSC32K oscillator output
  78. #endif /* _SAMD21_GCLK_INSTANCE_ */