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
0GLB sys_rst_pin I 1 sys_rst_s  RESET 
1A fpga_0_DDR_SDRAM_32Mx16_DDR_DQS_pin IO 0:1 fpga_0_DDR_SDRAM_32Mx16_DDR_DQS
2A fpga_0_DDR_SDRAM_32Mx16_DDR_DQ_pin IO 0:15 fpga_0_DDR_SDRAM_32Mx16_DDR_DQ
3A fpga_0_DDR_SDRAM_32Mx16_DDR_Addr_pin O 0:12 fpga_0_DDR_SDRAM_32Mx16_DDR_Addr
4A fpga_0_DDR_SDRAM_32Mx16_DDR_BankAddr_pin O 0:1 fpga_0_DDR_SDRAM_32Mx16_DDR_BankAddr
5A fpga_0_DDR_SDRAM_32Mx16_DDR_CASn_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_CASn
6A fpga_0_DDR_SDRAM_32Mx16_DDR_CKE_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_CKE
7A fpga_0_DDR_SDRAM_32Mx16_DDR_CSn_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_CSn
8A fpga_0_DDR_SDRAM_32Mx16_DDR_Clk_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_Clk
9A fpga_0_DDR_SDRAM_32Mx16_DDR_Clkn_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_Clkn
10A fpga_0_DDR_SDRAM_32Mx16_DDR_DM_pin O 0:1 fpga_0_DDR_SDRAM_32Mx16_DDR_DM
11A fpga_0_DDR_SDRAM_32Mx16_DDR_RASn_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_RASn
12A fpga_0_DDR_SDRAM_32Mx16_DDR_WEn_pin O 1 fpga_0_DDR_SDRAM_32Mx16_DDR_WEn
13B sys_clk_pin I 1 dcm_clk_s  CLK 
14C fpga_0_DDR_CLK_FB I 1 ddr_feedback_s  CLK