==== GPIO ==== .. toctree:: :maxdepth: 1 GPIO - input/output GPIO - interrupt 各开发板支持的 GPIO 引脚如下表: .. table:: GPIO 口 :widths: 25, 25, 25, 25 :width: 80% :align: center +----------------------+--------------------------------------------------------------------------------+ | 开发板 | GPIO | +======================+================================================================================+ | BL61x_MB_V1 | GPIO 0-34(其中 GPIO 2 为 BOOT 引脚,GPIO16/17默认为晶振引脚) | +----------------------+--------------------------------------------------------------------------------+