PIC12F629 work on a timer and asynchronous, as long as 32.768KHz Quartz crystal 5ppm error, the error is less than one time seconds/month.

Packet : 103244807jps_tb_070605.rar filelist
JPS_TB_070605\asmoutput.c
JPS_TB_070605\jps_tb.BAK
JPS_TB_070605\jps_tb.c
JPS_TB_070605\jps_tb.cof
JPS_TB_070605\jps_tb.err
JPS_TB_070605\jps_tb.HEX
JPS_TB_070605\jps_tb.LST
JPS_TB_070605\jps_tb.MCP
JPS_TB_070605\jps_tb.PJT
JPS_TB_070605\jps_tb.sta
JPS_TB_070605\jps_tb.SYM
JPS_TB_070605\jps_tb.tre
JPS_TB_070605\Timer.BAK
JPS_TB_070605\Timer.c
JPS_TB_070605\Timer.err
JPS_TB_070605

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