FPGA DIY活动芯片资料之——DS1302 DS1302 Trickle-Charge Timekeeping Chip www.maxim-ic.com FEATURES PIN CONFIGURATIONS Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the TOP VIEW Week, and Year with Leap-Year VCC2 1 8 VCC1 Compensation Valid Up to 2100 X1 2 7 SCLK ……