Type of Possible Values The size of time interval (in ticks) that should pass between two consecutive card read operations. The number of ports in the card. The port list should contain exactly this number of elements. The hexadecimal string defining the real address of the I/O card on the bus. For example: “0x240”. The name of the function that initializes the I/O card. It is called once when the program starts The name of the driver function that actually reads data to, or writes data from the card. The name of the function that shuts down the card when it is no longer needed. This routine performs any housekeeping tasks that the I/O card might require. The list of port descriptors. Fields that constitute the port description are described below. The name of the port, it appears in the GUI when users have selected a card in the I/O mapping settings dialog, and they are choosing the port for each I/O mapped model element. If yes, the value read from or written to the port will be inverted bitwise. The offset of the register, relative to the port’s base address. It is expressed as a hexadecimal string.