我使用的是CH375LIB文件夹中的FILELIB5中的例子，单片机为stc12c5a60s2,未修改例程，编译后出现如下错误，是什么原因：：
Build target 'Target 1'
assembling STARTUP.A51...
compiling CH375HFT.C...
linking...
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
MODULE: .\CH375HF5.LIB (CH375SEC)
MODEL: SMALL
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
MODULE: .\CH375HF5.LIB (CH375BYT)
MODEL: SMALL
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CH375FILEREAD?CH375HFT
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CH375FILEWRITE?CH375HFT
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CH375FILEMODIFY?CH375MAI
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CH375FILELOCATE?CH375SEC
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?CH375BYTEREAD?CH375BYT
*** WARNING L6: XDATA SPACE MEMORY OVERLAP
FROM: 0000H
TO: 07FFH
Program Size: data=100.5 xdata=4172 code=11816
"stc_ch375_u" - 0 Error(s), 8 Warning(s).
