docs/IPs/IO/gf180mcu_fd_io/gf180mcu_fd_io__4_4.rst

4.4 Input Only I/O Cell
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.. image:: images/Input_IO_Cell1.png
   :width: 600
   :align: center
   :alt: Input Only I/O Cell

.. centered::
   Figure 4.3 Functional Schematic of CMOS Input Only Pad, gf180mcu_fd_io__in_c

.. image:: images/Input_IO_Cell2.png
   :width: 600
   :align: center
   :alt: Input Only I/O Cell

.. centered::
   Figure 4.4 Functional Schematic of Schmitt Trigger Input Only Pad, gf180mcu_fd_io__in_s

**gf180mcu_fd_io__in_c** and **gf180mcu_fd_io__in_s** are input only pads configured in CMOS and Schmitt trigger modes respectively. Both pads are equipped with pull-up/down programmability. The logical operation of the pad is as shown below.

 .. csv-table::
    :file: tables_clear/14_Input_IO_Cell.csv