.. _qsbase4-pinouts:

QSBASE4
===========================================

.. figure:: images/qsbase4/QSBASE4-OVERVIEW.png
   :align: center
   :figwidth: 70%

X13 BOOTMODE
--------------

.. figure:: images/qsbase4/QSBASE4-X13.png
   :align: right
   :figwidth: 50%

**X13 pin assignment**

+----------+-----------+-----------+----------------------------------------+
| Pin      | QS Pin    | Pad Name  | Serial downloader boot mode            |
+==========+===========+===========+========================================+
| 1        | 3V3       |           | Connect 1-2 (H) QS8M, QSXM, QSXP, QSRZ |
+----------+-----------+-----------+----------------------------------------+
| 2        | 52        | BOOT-MODE | leave open for normal boot             |
+----------+-----------+-----------+----------------------------------------+
| 3        | GND       |           | Connect 2-3 (L) QSMP                   |
+----------+-----------+-----------+----------------------------------------+

X14 DEBUG UART
--------------

.. figure:: images/qsbase4/QSBASE4-X14.png
   :align: right
   :figwidth: 50%

**X14 pin assignment**

+----------+-----------+-------------+------------------+------------------+
| Pin      | QS Pin    | QS Pad Name | USB-UART Bridge  | Remarks          |
+==========+===========+=============+==================+==================+
| 1        | GND       |             |                  |                  |
+----------+-----------+-------------+------------------+------------------+
| 2        | NC        |             |                  | not connected    |
+----------+-----------+-------------+------------------+------------------+
| 3        | NC        |             |                  | not connected    |
+----------+-----------+-------------+------------------+------------------+
| 4        | 89        | RXD         |  TXD_OUT         |                  |
+----------+-----------+-------------+------------------+------------------+
| 5        | 90        | TXD         |  RXD_IN          |                  |
+----------+-----------+-------------+------------------+------------------+
| 6        | NC        |             |  RTS_OUT         |                  |
+----------+-----------+-------------+------------------+------------------+

X7 EXPANSION CONNECTOR
----------------------

.. figure:: images/qsbase4/QSBASE4-X7.png
   :align: right
   :figwidth: 50%

**X7 pin assignment**

+----+-----------+----------------+----+-----------+----------------------------+
|Pin | QS Pin    | QS Pad         |Pin | QS Pin    | QS Pad                     |
+====+===========+================+====+===========+============================+
| 1  |           | 3V3            | 2  |           | 5V                         |
+----+-----------+----------------+----+-----------+----------------------------+
| 3  |         9 | I2CB_SDA       | 4  |           | 5V                         |
+----+-----------+----------------+----+-----------+----------------------------+
| 5  |         8 | I2CB_SCL       | 6  |           | GND                        |
+----+-----------+----------------+----+-----------+----------------------------+
| 7  |        95 | UARTC_CTSin    | 8  |        92 | UARTB_TXD                  |
+----+-----------+----------------+----+-----------+----------------------------+
| 9  |           | GND            | 10 |        91 | UARTB_RXD                  |
+----+-----------+----------------+----+-----------+----------------------------+
| 11 |        76 |                | 12 |         3 | SPIA_MOSI                  |
+----+-----------+----------------+----+-----------+----------------------------+
| 13 |        11 | CANA_RX        | 14 |           | GND                        |
+----+-----------+----------------+----+-----------+----------------------------+
| 15 |        12 | CANA_TX        | 16 |        13 | CANB_RX                    |
+----+-----------+----------------+----+-----------+----------------------------+
| 17 |           | 3V3            | 18 |        14 | CANB_TX                    |
+----+-----------+----------------+----+-----------+----------------------------+
| 19 |        99 | SPIB_MOSI      | 20 |           | GND                        |
+----+-----------+----------------+----+-----------+----------------------------+
| 21 |        98 | SPIB_MISO      | 22 |        36 | SD_CD                      |
+----+-----------+----------------+----+-----------+----------------------------+
| 23 |       100 | SPIB_SCLK      | 24 |        97 | SPIB_SS                    |
+----+-----------+----------------+----+-----------+----------------------------+
| 25 |           | GND            | 26 |         1 | SPIA_SS                    |
+----+-----------+----------------+----+-----------+----------------------------+
| 27 |        73 |                | 28 |         2 | SPIA_MISO                  |
+----+-----------+----------------+----+-----------+----------------------------+
| 29 |        96 | UARTC_RTSout   | 30 |           | GND                        |
+----+-----------+----------------+----+-----------+----------------------------+
| 31 |        37 | SD_D1          | 32 |        78 | DISP_BL                    |
+----+-----------+----------------+----+-----------+----------------------------+
| 33 |        77 | DISP_EN        | 34 |           | GND                        |
+----+-----------+----------------+----+-----------+----------------------------+
| 35 |        39 | SD_CLK         | 36 |        38 | SD_D0                      |
+----+-----------+----------------+----+-----------+----------------------------+
| 37 |        41 | SD_D3          | 38 |        40 | SD_CMD                     |
+----+-----------+----------------+----+-----------+----------------------------+
| 39 |           | GND            | 40 |        42 | SD_D2                      |
+----+-----------+----------------+----+-----------+----------------------------+

X2 MIPI DSI
-----------

.. figure:: images/qsbase4/QSBASE4-X2.png
   :align: right
   :figwidth: 50%

**X2 pin assignment**

+----------+-----------+-------------------------+------------------+
| Pin      | QS Pin    | QS Pad Name             | Remarks          |
+==========+===========+=========================+==================+
| 1        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 2        | 84        | MIPI_DSI_DATA1_N        |                  |
+----------+-----------+-------------------------+------------------+
| 3        | 83        | MIPI_DSI_DATA1_P        |                  |
+----------+-----------+-------------------------+------------------+
| 4        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 5        | 88        | MIPI_DSI_CLK_N          |                  |
+----------+-----------+-------------------------+------------------+
| 6        | 87        | MIPI_DSI_CLK_P          |                  |
+----------+-----------+-------------------------+------------------+
| 7        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 8        | 86        | MIPI_DSI_DATA0_N        |                  |
+----------+-----------+-------------------------+------------------+
| 9        | 85        | MIPI_DSI_DATA0_P        |                  |
+----------+-----------+-------------------------+------------------+
| 10       | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 11       | 5         | I2CA_SCL                |                  |
+----------+-----------+-------------------------+------------------+
| 12       | 6         | I2CA_SDA                |                  |
+----------+-----------+-------------------------+------------------+
| 13       | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 14       | 3V3       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 15       | 3V3       |                         |                  |
+----------+-----------+-------------------------+------------------+

X8 MIPI CSI
-----------

.. figure:: images/qsbase4/QSBASE4-X8.png
   :align: right
   :figwidth: 50%

**X8 pin assignment**

+----------+-----------+-------------------------+------------------+
| Pin      | QS Pin    | QS Pad Name             | Remarks          |
+==========+===========+=========================+==================+
| 1        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 2        | 50        | MIPI_CSI1_DATA0_N       |                  |
+----------+-----------+-------------------------+------------------+
| 3        | 52        | MIPI_CSI1_DATA0_P       |                  |
+----------+-----------+-------------------------+------------------+
| 4        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 5        | 56        | MIPI_CSI1_DATA1_N       |                  |
+----------+-----------+-------------------------+------------------+
| 6        | 58        | MIPI_CSI1_DATA1_P       |                  |
+----------+-----------+-------------------------+------------------+
| 7        | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 8        | 44        | MIPI_CSI1_CLK_N         |                  |
+----------+-----------+-------------------------+------------------+
| 9        | 46        | MIPI_CSI1_CLK_P         |                  |
+----------+-----------+-------------------------+------------------+
| 10       | GND       |                         |                  |
+----------+-----------+-------------------------+------------------+
| 11       | 73        | GPIO                    |                  |
+----------+-----------+-------------------------+------------------+
| 12       | 74        | GPIO                    |                  |
+----------+-----------+-------------------------+------------------+
| 13       | 5         | I2CA_SCL                |                  |
+----------+-----------+-------------------------+------------------+
| 14       | 6         | I2CA_SDA                |                  |
+----------+-----------+-------------------------+------------------+
| 15       | 3V3       |                         |                  |
+----------+-----------+-------------------------+------------------+

X1 JTAG Header
--------------

.. figure:: images/qsbase4/QSBASE4-X1.png
   :align: right
   :figwidth: 50%

**X1 pin assignment**

+------+----------------------------------------+------+----------------------------------------+
|Pin   |  Signal                                |Pin   |  Signal                                |
+======+========================================+======+========================================+
| 1    |  3V3                                   | 2    |  3V3                                   |
+------+----------------------------------------+------+----------------------------------------+
| 3    |  JTAG_TRST                             | 4    |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 5    |  JTAG_TDI                              | 6    |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 7    |  JTAG_TMS                              | 8    |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 9    |  JTAG_TCK                              | 10   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 11   |  NC                                    | 12   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 13   |  JTAG_TDO                              | 14   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 15   |  POR                                   | 16   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 17   |  NC                                    | 18   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+
| 19   |  NC                                    | 20   |  GND                                   |
+------+----------------------------------------+------+----------------------------------------+