1 | /*
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2 | Copyright (c) 2014 Arduino. All right reserved.
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3 |
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4 | This library is free software; you can redistribute it and/or
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5 | modify it under the terms of the GNU Lesser General Public
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6 | License as published by the Free Software Foundation; either
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7 | version 2.1 of the License, or (at your option) any later version.
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8 |
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9 | This library is distributed in the hope that it will be useful,
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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12 | See the GNU Lesser General Public License for more details.
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13 |
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14 | You should have received a copy of the GNU Lesser General Public
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15 | License along with this library; if not, write to the Free Software
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16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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17 | */
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18 |
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19 | /*
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20 | *
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21 | * + Pin number + ZERO Board pin | PIN | Label/Name | Comments (* is for default peripheral in use)
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22 | * +------------+------------------+--------+-----------------+------------------------------
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23 | * | | Digital Low | | |
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24 | * +------------+------------------+--------+-----------------+------------------------------
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25 | * | 0 | 0 -> RX | PA11 | | EIC/EXTINT[11] ADC/AIN[19] PTC/X[3] *SERCOM0/PAD[3] SERCOM2/PAD[3] TCC1/WO[1] TCC0/WO[3]
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26 | * | 1 | 1 <- TX | PA10 | | EIC/EXTINT[10] ADC/AIN[18] PTC/X[2] *SERCOM0/PAD[2] TCC1/WO[0] TCC0/WO[2]
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27 | * | 2 | ~2 | PA08 | | EIC/NMI ADC/AIN[16] PTC/X[0] SERCOM0/PAD[0] SERCOM2/PAD[0] *TCC0/WO[0] TCC1/WO[2]
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28 | * | 3 | ~3 | PA09 | | EIC/EXTINT[9] ADC/AIN[17] PTC/X[1] SERCOM0/PAD[1] SERCOM2/PAD[1] *TCC0/WO[1] TCC1/WO[3]
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29 | * | 4 | ~4 | PA14 | | EIC/EXTINT[14] SERCOM2/PAD[2] SERCOM4/PAD[2] TC3/WO[0] *TCC0/WO[4]
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30 | * | 5 | ~5 | PA15 | | EIC/EXTINT[15] SERCOM2/PAD[3] SERCOM4/PAD[3] TC3/WO[1] *TCC0/WO[5]
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31 | * | 6 | ~6 | PA20 | | EIC/EXTINT[4] PTC/X[8] SERCOM5/PAD[2] SERCOM3/PAD[2] TC7/WO[0] *TCC0/WO[6]
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32 | * | 7 | ~7 | PA21 | | EIC/EXTINT[5] PTC/X[9] SERCOM5/PAD[3] SERCOM3/PAD[3] TC7/WO[1] *TCC0/WO[7]
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33 | * +------------+------------------+--------+-----------------+------------------------------
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34 | * | | Digital High | | |
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35 | * +------------+------------------+--------+-----------------+------------------------------
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36 | * | 8 | ~8 | PA06 | | EIC/EXTINT[6] PTC/Y[4] ADC/AIN[6] AC/AIN[2] SERCOM0/PAD[2] *TCC1/WO[0]
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37 | * | 9 | ~9 | PA07 | | EIC/EXTINT[7] PTC/Y[5] DC/AIN[7] AC/AIN[3] SERCOM0/PAD[3] *TCC1/WO[1]
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38 | * | 10 | ~10 | PA18 | | EIC/EXTINT[2] PTC/X[6] SERCOM1/PAD[2] SERCOM3/PAD[2] *TC3/WO[0] TCC0/WO[2]
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39 | * | 11 | ~11 | PA16 | | EIC/EXTINT[0] PTC/X[4] SERCOM1/PAD[0] SERCOM3/PAD[0] *TCC2/WO[0] TCC0/WO[6]
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40 | * | 12 | ~12 | PA19 | | EIC/EXTINT[3] PTC/X[7] SERCOM1/PAD[3] SERCOM3/PAD[3] *TC3/WO[1] TCC0/WO[3]
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41 | * | 13 | ~13 | PA17 | LED | EIC/EXTINT[1] PTC/X[5] SERCOM1/PAD[1] SERCOM3/PAD[1] *TCC2/WO[1] TCC0/WO[7]
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42 | * | 14 | GND | | |
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43 | * | 15 | AREF | PA03 | | *DAC/VREFP PTC/Y[1]
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44 | * | 16 | SDA | PA22 | | EIC/EXTINT[6] PTC/X[10] *SERCOM3/PAD[0] SERCOM5/PAD[0] TC4/WO[0] TCC0/WO[4]
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45 | * | 17 | SCL | PA23 | | EIC/EXTINT[7] PTC/X[11] *SERCOM3/PAD[1] SERCOM5/PAD[1] TC4/WO[1] TCC0/WO[5]
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46 | * +------------+------------------+--------+-----------------+------------------------------
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47 | * | |SPI (Legacy ICSP) | | |
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48 | * +------------+------------------+--------+-----------------+------------------------------
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49 | * | 18 | 1 | PA12 | MISO | EIC/EXTINT[12] SERCOM2/PAD[0] *SERCOM4/PAD[0] TCC2/WO[0] TCC0/WO[6]
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50 | * | 19 | 2 | | 5V0 |
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51 | * | 20 | 3 | PB11 | SCK | EIC/EXTINT[11] *SERCOM4/PAD[3] TC5/WO[1] TCC0/WO[5]
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52 | * | 21 | 4 | PB10 | MOSI | EIC/EXTINT[10] *SERCOM4/PAD[2] TC5/WO[0] TCC0/WO[4]
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53 | * | 22 | 5 | | RESET |
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54 | * | 23 | 6 | | GND |
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55 | * +------------+------------------+--------+-----------------+------------------------------
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56 | * | | Analog Connector | | |
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57 | * +------------+------------------+--------+-----------------+------------------------------
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58 | * | 24 | A0 | PA02 | | EIC/EXTINT[2] *ADC/AIN[0] PTC/Y[0] DAC/VOUT
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59 | * | 25 | A1 | PB08 | | EIC/EXTINT[8] *ADC/AIN[2] PTC/Y[14] SERCOM4/PAD[0] TC4/WO[0]
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60 | * | 26 | A2 | PB09 | | EIC/EXTINT[9] *ADC/AIN[3] PTC/Y[15] SERCOM4/PAD[1] TC4/WO[1]
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61 | * | 27 | A3 | PA04 | | EIC/EXTINT[4] *ADC/AIN[4] AC/AIN[0] PTC/Y[2] SERCOM0/PAD[0] TCC0/WO[0]
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62 | * | 28 | A4 | PA05 | | EIC/EXTINT[5] *ADC/AIN[5] AC/AIN[1] PTC/Y[5] SERCOM0/PAD[1] TCC0/WO[1]
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63 | * | 29 | A5 | PB02 | | EIC/EXTINT[2] *ADC/AIN[10] PTC/Y[8] SERCOM5/PAD[0] TC6/WO[0]
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64 | * +------------+------------------+--------+-----------------+------------------------------
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65 | * | | LEDs | | |
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66 | * +------------+------------------+--------+-----------------+------------------------------
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67 | * | 30 | | PB03 | RX |
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68 | * | 31 | | PA27 | TX |
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69 | * +------------+------------------+--------+-----------------+------------------------------
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70 | * | | USB | | |
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71 | * +------------+------------------+--------+-----------------+------------------------------
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72 | * | 32 | | PA28 | USB HOST ENABLE |
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73 | * | 33 | | PA24 | USB_NEGATIVE | USB/DM
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74 | * | 34 | | PA25 | USB_POSITIVE | USB/DP
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75 | * +------------+------------------+--------+-----------------+------------------------------
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76 | * | | EDBG | | |
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77 | * +------------+------------------+--------+-----------------+------------------------------
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78 | * | 35 | | PB22 | EDBG_UART TX | SERCOM5/PAD[2]
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79 | * | 36 | | PB23 | EDBG_UART RX | SERCOM5/PAD[3]
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80 | * +------------+------------------+--------+-----------------+------------------------------
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81 | * | 37 | | PA22 | EDBG_SDA | SERCOM3/PAD[0]
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82 | * | 38 | | PA23 | EDBG_SCL | SERCOM3/PAD[1]
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83 | * +------------+------------------+--------+-----------------+------------------------------
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84 | * | 39 | | PA19 | EDBG_MISO | SERCOM1/PAD[3]
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85 | * | 40 | | PA16 | EDBG_MOSI | SERCOM1/PAD[0]
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86 | * | 41 | | PA18 | EDBG_SS | SERCOM1/PAD[2]
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87 | * | 42 | | PA17 | EDBG_SCK | SERCOM1/PAD[1]
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88 | * +------------+------------------+--------+-----------------+------------------------------
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89 | * | 43 | | PA13 | EDBG_GPIO0 | EIC/EXTINT[13] *TCC2/WO[1] TCC0/WO[7]
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90 | * | 44 | | PA21 | EDBG_GPIO1 | Pin 7
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91 | * | 45 | | PA06 | EDBG_GPIO2 | Pin 8
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92 | * | 46 | | PA07 | EDBG_GPIO3 | Pin 9
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93 | * +------------+------------------+--------+-----------------+------------------------------
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94 | * | |32.768KHz Crystal | | |
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95 | * +------------+------------------+--------+-----------------+------------------------------
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96 | * | | | PA00 | XIN32 | EXTINT[0] SERCOM1/PAD[0] TCC2/WO[0]
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97 | * | | | PA01 | XOUT32 | EXTINT[1] SERCOM1/PAD[1] TCC2/WO[1]
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98 | * +------------+------------------+--------+-----------------+------------------------------
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99 | */
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100 |
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101 | #include "variant.h"
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102 |
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103 | /*
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104 | * Pins descriptions
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105 | */
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106 | const PinDescription g_APinDescription[]=
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107 | {
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108 | // 0 .. 19 - Digital pins
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109 | // ----------------------
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110 | // 0/1 - SERCOM/UART (Serial1)
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111 | { PORTA, 11, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // RX: SERCOM0/PAD[3]
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112 | { PORTA, 10, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // TX: SERCOM0/PAD[2]
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113 |
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114 | // 2..12
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115 | { PORTA, 8, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NONE }, // EXTERNAL_INT_NMI }, // TCC0/WO[0]
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116 | { PORTA, 9, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // TCC0/WO[1]
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117 | { PORTA, 14, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH0, TC3_CH0, EXTERNAL_INT_14 }, // TC3/WO[0]
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118 | { PORTA, 15, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_15 }, // TC3/WO[1]
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119 | { PORTA, 20, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_4 }, // TCC0/WO[6]
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120 | { PORTA, 21, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH7, TCC0_CH7, EXTERNAL_INT_5 }, // TCC0/WO[7]
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121 | { PORTA, 6, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // TCC1/WO[0]
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122 | { PORTA, 7, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // TCC1/WO[1]
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123 | { PORTA, 18, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH0, TC3_CH0, EXTERNAL_INT_2 }, // TC3/WO[0]
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124 | { PORTA, 16, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH0, TCC2_CH0, EXTERNAL_INT_0 }, // TCC2/WO[0]
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125 | { PORTA, 19, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_3 }, // TC3/WO[1]
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126 |
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127 | // 13 (LED)
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128 | { PORTA, 17, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM2_CH1, NOT_ON_TIMER, EXTERNAL_INT_1 }, // TCC2/WO[1]
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129 |
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130 | // 14 (GND)
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131 | { NOT_A_PORT, 0, PIO_NOT_A_PIN, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
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132 |
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133 | // 15 (AREF)
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134 | { PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // DAC/VREFP
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135 |
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136 | // 16..17 I2C pins (SDA/SCL and also EDBG:SDA/SCL)
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137 | // ----------------------
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138 | { PORTA, 22, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // SDA: SERCOM3/PAD[0]
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139 | { PORTA, 23, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // SCL: SERCOM3/PAD[1]
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140 |
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141 | // 18..23 - SPI pins (ICSP:MISO,SCK,MOSI)
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142 | // ----------------------
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143 | { PORTA, 12, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_12 }, // MISO: SERCOM4/PAD[0]
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144 | { NOT_A_PORT, 0, PIO_NOT_A_PIN, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // 5V0
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145 | { PORTB, 11, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // SCK: SERCOM4/PAD[3]
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146 | { PORTB, 10, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // MOSI: SERCOM4/PAD[2]
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147 | { NOT_A_PORT, 0, PIO_NOT_A_PIN, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // RESET
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148 | { NOT_A_PORT, 0, PIO_NOT_A_PIN, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // GND
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149 |
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150 | // 24..29 - Analog pins
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151 | // --------------------
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152 | { PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[0]
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153 | { PORTB, 8, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 }, // ADC/AIN[2]
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154 | { PORTB, 9, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel3, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 }, // ADC/AIN[3]
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155 | { PORTA, 4, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // ADC/AIN[4]
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156 | { PORTA, 5, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel5, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // ADC/AIN[5]
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157 | { PORTB, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[10]
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158 |
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159 | // 30..31 - RX/TX LEDS (PB03/PA27)
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160 | // --------------------
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161 | { PORTB, 3, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as output only
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162 | { PORTA, 27, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as pure only
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163 |
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164 | // 32..33 - USB
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165 | // --------------------
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166 | { PORTA, 28, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/SOF
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167 | { PORTA, 24, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DM
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168 | { PORTA, 25, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DP
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169 |
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170 | // 35 .. 46 - EDBG
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171 | // ----------------------
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172 | // 35/36 - EDBG/UART
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173 | { PORTB, 22, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TX: SERCOM5/PAD[2]
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174 | { PORTB, 23, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // RX: SERCOM5/PAD[3]
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175 |
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176 | // 37/38 I2C (SDA/SCL and also EDBG:SDA/SCL)
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177 | { PORTA, 22, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SDA: SERCOM3/PAD[0]
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178 | { PORTA, 23, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCL: SERCOM3/PAD[1]
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179 |
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180 | // 39 .. 42 - EDBG/SPI
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181 | { PORTA, 19, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM1/PAD[3]
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182 | { PORTA, 16, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MOSI: SERCOM1/PAD[0]
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183 | { PORTA, 18, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SS: SERCOM1/PAD[2]
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184 | { PORTA, 17, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCK: SERCOM1/PAD[1]
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185 |
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186 | // 43 .. 46 - EDBG/Digital
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187 | { PORTA, 13, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, EXTERNAL_INT_13 }, // EIC/EXTINT[13] *TCC2/WO[1] TCC0/WO[7]
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188 | { PORTA, 21, PIO_PWM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH7, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 7
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189 | { PORTA, 6, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH0, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 8
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190 | { PORTA, 7, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH1, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 9
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191 |
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192 | // ----------------------
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193 | // 47 - Alternate use of A0 (DAC output)
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194 | { PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // DAC/VOUT
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195 |
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196 | // 48..49 - SERCOM2
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197 | { PORTA, 14, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SERCOM2/PAD[2]
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198 | { PORTA, 15, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SERCOM2/PAD[3]
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199 | } ;
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200 |
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201 | const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ;
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202 |
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203 | // Multi-serial objects instantiation
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204 | SERCOM sercom0( SERCOM5 ) ;
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205 | SERCOM sercom1( SERCOM1 ) ;
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206 | SERCOM sercom2( SERCOM2 ) ;
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207 | SERCOM sercom3( SERCOM3 ) ;
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208 | SERCOM sercom4( SERCOM4 ) ;
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209 | SERCOM sercom5( SERCOM0 ) ;
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210 |
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211 | Uart Serial( &sercom0, 36, 35 ) ;
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212 | Uart Serial5( &sercom5, 0, 1 ) ;
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