Programming QX-MCS51 development board of the digital tube can correctly display the positive temperature and negative DS18B20 conversion Temperature value (conversion accuracy of 12 bit mode).

十四课习题\DS18B20
..........\DS18B20.hex
..........\DS18B20.lnp
..........\DS18B20.M51
..........\DS18B20.Opt
..........\DS18B20.plg
..........\DS18B20.Uv2
..........\DS18B20_Opt.Bak
..........\DS18B20_Uv2.Bak
..........\main.c
..........\main.LST
..........\main.OBJ
十四课习题

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