# Pin definition

URL: https://www.macnman.com/docs/modules/lora-modules/MAC32WLE5/pin-definition
Section: User Manual › Modules › Lora Modules › MAC32WLE5

# Pin definition
<table className="parameter-table">
  <thead>
    <tr>
      <th>Pin No</th>
      <th>Name</th>
      <th>Type</th>
      <th>Definition</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>1</td>
      <td>VSS/GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>2</td>
      <td>PA6</td>
      <td>I/O</td>
      <td>TIM1_BKIN, I2C2_SMBA, SPI1_MISO, LPUART1_CTS, DEBUG_SUBGHZSPI_ MISOOUT, TIM16_CH1, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>3</td>
      <td>PA5</td>
      <td>Digital Input</td>
      <td>TIM2_CH1, TIM2_ETR, SPI2_MISO, SPI1_SCK, DEBUG_SUBGHZSPI_ SCKOUT, LPTIM2_ETR, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>4</td>
      <td>PA7</td>
      <td>Digital Input</td>
      <td>TIM1_CH1N, I2C3_SCL, SPI1_MOSI, COMP2_OUT, DEBUG_SUBGHZSPI_ MOSIOUT, TIM17_CH1, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>5</td>
      <td>PA8</td>
      <td>Digital Input</td>
      <td>MCO, TIM1_CH1, SPI2_SCK/I2S2_CK, USART1_CK, LPTIM2_OUT, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>6</td>
      <td>PA9</td>
      <td>Digital Input</td>
      <td>TIM1_CH2, SPI2_NSS/I2S2_WS, 12C1_SCL, SPI2_SCK/I2S2_CK, USART1_TX, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>7</td>
      <td>PA3</td>
      <td>Digital Input</td>
      <td>TIM2_CH4, I2S2_MCK, USART2_RX, LPUART1_RX, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>8</td>
      <td>PA2</td>
      <td>Digital Input</td>
      <td>LSCO, TIM2_CH3, USART2_TX, LPUART1_TX, COMP2_OUT, DEBUG_PWR_LDORDY, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>9</td>
      <td>PA1</td>
      <td>Digital Input</td>
      <td>TIM2_CH2, LPTIM3_OUT, 12C1_SMBA, SPI1_SCK, USART2_RTS, LPUART1_RTS, DEBUG_PWR_REGLP2S, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>10</td>
      <td>PA0</td>
      <td>I/O</td>
      <td>TIM2_CH1, I2C3_SMBA, I2S_CKIN, USART2_CTS, COMP1_OUT, DEBUG_PWR_REGLP1S, TIM2_ETR, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>11</td>
      <td>PB8</td>
      <td>I/O</td>
      <td>TIM1_CH2N, I2C1_SCL, RF_IRQ2, TIM16_CH1, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>12</td>
      <td>PB7</td>
      <td>I/O</td>
      <td>LPTIM1_IN2, TIM1_BKIN, 12C1_SDA, USART1_RX, TIM17_CH1N, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>13</td>
      <td>PB6</td>
      <td>I/O</td>
      <td>LPTIM1_ETR, I2C1_SCL, USART1_TX, TIM16_CH1N, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>14</td>
      <td>PB5</td>
      <td>I/O</td>
      <td>LPTIM1_IN1, I2C1_SMBA, SPI1_MOSI, RF_IRQ1, USART1_CK, COMP2_OUT, TIM16_BKIN, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>15</td>
      <td>PB2</td>
      <td>I/O</td>
      <td>LPTIM1_OUT, I2C3_SMBA, SPI1_NSS, DEBUG_RF_SMPSRDY, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>16</td>
      <td>PB12</td>
      <td>I/O</td>
      <td>TIM1_BKIN, I2C3_SMBA, SPI2_NSS/ 12S2_WS, LPUART1_RTS, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>17</td>
      <td>PA10</td>
      <td>I/O</td>
      <td>RTC_REFIN, TIM1_CH3, I2C1_SDA, SPI2_MOSI/I2S2_SD, USART1_RX, DEBUG_RF_HSE32RDY, TIM17_BKIN, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>18</td>
      <td>PA11</td>
      <td>I/O</td>
      <td>TIM1_CH4, TIM1_BKIN2, LPTIM3_ETR, I2C2_SDA, SPI1_MISO, USART1_CTS, DEBUG_RF_NRESET, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>19</td>
      <td>PA12</td>
      <td>I/O</td>
      <td>TIM1_ETR, LPTIM3_OUT, I2C2_SCL, SPI1_MOSI, USART1_RTS, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>20</td>
      <td>PB4</td>
      <td>I/O</td>
      <td>SWDCLK, TIM3_CH1, I2C2_SMBA, SPI1_NSS, USART1_CTS, COMP2_OUT, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>21</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>22</td>
      <td>PB3</td>
      <td>I/O</td>
      <td>SWDIO, TIM3_CH2, I2C2_SDA, SPI1_SCK, USART1_RTS, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>23</td>
      <td>PA15</td>
      <td>I/O</td>
      <td>SWDIO, TIM2_CH1, USART2_RX, LPUART1_RX, CM4_EVENTOUT</td>
    </tr>
    <tr>
      <td>24</td>
      <td>SWDIO</td>
      <td>I/O</td>
      <td>Serial Wire Debug Data Input/Output</td>
    </tr>
    <tr>
      <td>25</td>
      <td>SWDCLK</td>
      <td>I/O</td>
      <td>Serial Wire Debug Clock Input</td>
    </tr>
    <tr>
      <td>26</td>
      <td>RESET</td>
      <td>Input</td>
      <td>External Reset Pin</td>
    </tr>
    <tr>
      <td>27</td>
      <td>3.3V</td>
      <td>POWER</td>
      <td>3.3V Power Supply</td>
    </tr>
    <tr>
      <td>28</td>
      <td>VBATT</td>
      <td>POWER</td>
      <td>Battery Power Supply Input</td>
    </tr>
    <tr>
      <td>29</td>
      <td>AVDD</td>
      <td>POWER</td>
      <td>Analog Power Supply</td>
    </tr>
    <tr>
      <td>30</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>31</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>32</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>33</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
    <tr>
      <td>34</td>
      <td>PC13</td>
      <td>I/O</td>
      <td>RF Control</td>
    </tr>
    <tr>
      <td>35</td>
      <td>PA4</td>
      <td>I/O</td>
      <td>RF Power</td>
    </tr>
    <tr>
      <td>36</td>
      <td>GND</td>
      <td>POWER</td>
      <td></td>
    </tr>
  </tbody>
</table>