> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Dragonwing Shikra 接口概述

export const tdA = {
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};
export const tdAc = {
  border: "1px solid #ddd",
  padding: "10px 14px",
  textAlign: "center",
  verticalAlign: "middle"
};
export const tdAcBold = {
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};
export const thAeq = {
  border: "1px solid #ddd",
  padding: "10px 14px",
  textAlign: "center",
  backgroundColor: "#f5f5f5",
  fontWeight: "600",
  color: "#333"
};
export const tblA = {
  borderCollapse: "collapse",
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};
export const sectionHdr = {
  border: "1px solid #ddd",
  padding: "10px 14px",
  textAlign: "center",
  fontWeight: "bold",
  backgroundColor: "#f5f5f5",
  color: "#333"
};

下表列出了 Dragonwing Shikra 的设备接口特性。

**表：Dragonwing Shikra 设备接口**

<table style={tblA}>
  <tbody>
    <tr>
      <td colSpan="2" style={sectionHdr}>1xQUP v3 串行引擎</td>
    </tr>

    <tr>
      <td style={tdA}>串行引擎实例</td>
      <td style={tdAc}>QUPV3\_0</td>
    </tr>

    <tr>
      <td style={tdA}>应用处理器 QUP v3 串行引擎</td>
      <td style={tdAc}>10</td>
    </tr>

    <tr>
      <td colSpan="2" style={sectionHdr}>USB 控制器详情</td>
    </tr>

    <tr>
      <td colSpan="2" style={tdA} />
    </tr>

    <tr>
      <td colSpan="2" style={sectionHdr}>PCIe 控制器详情</td>
    </tr>

    <tr>
      <td colSpan="2" style={tdA} />
    </tr>
  </tbody>
</table>

## **Dragonwing Shikra 中 QUP v3 与协议和 GPIO 的映射**

Dragonwing Shikra 包含 10 个 QUP v3 串行引擎。所有 10 个 QUP v3 串行引擎均分配给应用处理器。这些 QUP v3 串行引擎从 SE0 到 SE9 编号。

在一个 QUP v3 串行引擎中一次只能选择一种协议。

对于 SE1 和 SE9，镜像的 GPIO 条目表示可替换的 GPIO 引脚对。每条通道一次只能使用一对 GPIO；请勿同时使用两对镜像引脚对。

下表列出了默认的 QUP v3 与协议和 GPIO 的映射。

**表：Dragonwing Shikra QUP v3 串行引擎协议映射**

<table style={tblA}>
  <thead>
    <tr>
      <th rowSpan="2" colSpan="2" style={thAeq}>QUP v3 串行引擎</th>
      <th colSpan="4" style={thAeq}>协议</th>
      <th colSpan="7" style={thAeq}>QUP 通道到 GPIO 的映射</th>
    </tr>

    <tr>
      <th style={thAeq}>UART</th>
      <th style={thAeq}>HS UART</th>
      <th style={thAeq}>SPI-M</th>
      <th style={thAeq}>I2C-M</th>
      <th style={thAeq}>L0</th>
      <th style={thAeq}>L1</th>
      <th style={thAeq}>L2</th>
      <th style={thAeq}>L3</th>
      <th style={thAeq}>L4</th>
      <th style={thAeq}>L5</th>
      <th style={thAeq}>L6</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td rowSpan="10" style={tdAcBold}>QUP\_0</td>
      <td style={tdAc}>SE0</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>2</td>
      <td style={tdAc}>3</td>
      <td style={tdAc}>0</td>
      <td style={tdAc}>1</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE1</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>5</td>
      <td style={tdAc}>4</td>
      <td style={tdAc}>4, 28</td>
      <td style={tdAc}>5, 29</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE2</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>6</td>
      <td style={tdAc}>7</td>
      <td style={tdAc}>8</td>
      <td style={tdAc}>9</td>
      <td style={tdAc}>30</td>
      <td style={tdAc}>31</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE3</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>10</td>
      <td style={tdAc}>11</td>
      <td style={tdAc}>11</td>
      <td style={tdAc}>10</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE4</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>12</td>
      <td style={tdAc}>13</td>
      <td style={tdAc}>13</td>
      <td style={tdAc}>12</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE5</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>14</td>
      <td style={tdAc}>15</td>
      <td style={tdAc}>16</td>
      <td style={tdAc}>17</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE6</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>18</td>
      <td style={tdAc}>19</td>
      <td style={tdAc}>28</td>
      <td style={tdAc}>29</td>
      <td style={tdAc}>30</td>
      <td style={tdAc}>31</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE7</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>20</td>
      <td style={tdAc}>21</td>
      <td style={tdAc}>21</td>
      <td style={tdAc}>20</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE8</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>22</td>
      <td style={tdAc}>23</td>
      <td style={tdAc}>24</td>
      <td style={tdAc}>25</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>

    <tr>
      <td style={tdAc}>SE9</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>是</td>
      <td style={tdAc}>27, 48</td>
      <td style={tdAc}>26, 49</td>
      <td style={tdAc}>26, 50</td>
      <td style={tdAc}>27, 51</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
      <td style={tdAc}>–</td>
    </tr>
  </tbody>
</table>