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gd32f470zk-aiotbox
==================

The GD32F470Z-AIOTBOX board is a Xiaomi AIoT development platform U1
control board that uses the GD32F470ZK chip as the core. 

The GD32F470ZK features a single-core ARM Cortex-M4F MCU which can run up
to 240 MHz with flash accesses zero wait states, 3072kiB of Flash, 256kiB
of SRAM and 114 GPIOs.

.. figure:: gd32f470z_aiotbox.png
    :align: center
    :alt: gd32f470z_aiotbox