4.4 Input Only I/O Cell ======================= .. image:: specs/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:: specs/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: specs/14_Input_IO_Cell.csv