EXTERNAL PORTS
These are the external ports defined in the MHS file.
Attributes Key
The attributes are obtained from the SIGIS and IOB_STATE parameters set on the PORT in the MHS file
CLK  indicates Clock ports, (SIGIS = CLK) 
INTR  indicates Interrupt ports,(SIGIS = INTR) 
RESET  indicates Reset ports, (SIGIS = RST) 
BUF or REG  Indicates ports that instantiate or infer IOB primitives, (IOB_STATE = BUF or REG) 
# NAME DIR [LSB:MSB] SIG ATTRIBUTES
0A fpga_0_DIP_Switches_8Bit_GPIO_in_pin I 0:7 fpga_0_DIP_Switches_8Bit_GPIO_in
1B fpga_0_LEDs_8Bit_GPIO_d_out_pin O 0:7 fpga_0_LEDs_8Bit_GPIO_d_out
2C fpga_0_RS232_RX_pin I 1 fpga_0_RS232_RX
3C fpga_0_RS232_TX_pin O 1 fpga_0_RS232_TX
4D sys_clk_pin I 1 dcm_clk_s  CLK 
5E sys_rst_pin I 1 sys_rst_s  RESET