原创 本站接口板D0为什么总是亮的？

SRAM 复用管脚需要注意

 set_location_assignment PIN_82 -to sram_add[0]
 set_location_assignment PIN_81 -to sram_add[1]
 set_location_assignment PIN_80 -to sram_add[2]
 set_location_assignment PIN_77 -to sram_add[3]
 set_location_assignment PIN_76 -to sram_add[4]
 set_location_assignment PIN_60 -to sram_add[5]
 set_location_assignment PIN_59 -to sram_add[6]
 set_location_assignment PIN_58 -to sram_add[7]
 set_location_assignment PIN_57 -to sram_add[8]
 set_location_assignment PIN_56 -to sram_add[9]
 set_location_assignment PIN_112 -to sram_add[10]
 set_location_assignment PIN_110 -to sram_add[11]
 set_location_assignment PIN_106 -to sram_add[12]
 set_location_assignment PIN_105 -to sram_add[13]
 set_location_assignment PIN_104 -to sram_add[14]
 set_location_assignment PIN_87 -to sram_add[15]
 set_location_assignment PIN_86 -to sram_add[16]
 set_location_assignment PIN_84 -to sram_add[17]
 set_location_assignment PIN_74 -to sram_data[0]
 set_location_assignment PIN_72 -to sram_data[1]
 set_location_assignment PIN_70 -to sram_data[2]
 set_location_assignment PIN_69 -to sram_data[3]
 set_location_assignment PIN_68 -to sram_data[4]
 set_location_assignment PIN_67 -to sram_data[5]
 set_location_assignment PIN_64 -to sram_data[6]
 set_location_assignment PIN_63 -to sram_data[7]
 set_location_assignment PIN_102 -to sram_data[8]
 set_location_assignment PIN_101 -to sram_data[9]
 set_location_assignment PIN_99 -to sram_data[10]
 set_location_assignment PIN_97 -to sram_data[11]
 set_location_assignment PIN_96 -to sram_data[12]
 set_location_assignment PIN_95 -to sram_data[13]
 set_location_assignment PIN_94 -to sram_data[14]
 set_location_assignment PIN_92 -to sram_data[15]
 set_location_assignment PIN_88 -to sram_rd
 set_location_assignment PIN_61 -to sram_wd
 set_location_assignment PIN_75 -to sram_cs
 set_location_assignment PIN_103 -to sram_add[18]
 set_location_assignment PIN_90 -to sram_byte[0]
 set_location_assignment PIN_89 -to sram_byte[1]