tmperr.err

来自「Mars-XC2S50-S-Core-V2.0开发板核心板的说明和设计文档」· ERR 代码 · 共 5 行

WARNING:Cpld:310 - Cannot apply TIMESPEC TS1020 = PERIOD:PERIOD_clkdiv.Q:0.000
   nS because of one of the following: (a) a signal name was not found; (b) a
   signal was removed or renamed due to optimization; (c) there is no path
   between the FROM node and TO node in the TIMESPEC.