flash unsigned int Ntc_tab[70]=
{
733,724,716,707,698,690,681,672,663,654,     /* 0- 9*/
645,636,628,619,610,600,592,583,574,565,     /*10-19*/
556,547,538,529,521,512,503,495,486,478,     /*20-29*/
470,461,453,445,437,429,421,413,406,399,     /*30-39*/
391,384,376,369,362,355,348,341,335,328,     /*40-49*/
322,315,308,301,295,286,279,273,266,259,     /*50-59*/
253,247,240,232,225,218,210,202,194,186      /*60-69*/
};