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DS1302 Real Time Clock Module For AVR ARM PIC SMD for Arduino

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Description

  • DS1302 is introduced trickle charge the clock chip, containing a real-time clock / calendar and 31 bytes of static RAM, via a simple serial interface
  • to communicate with the microcontroller. Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of
  • information, the number of days per month and leap year automatically adjust the number of days. Clock can be done by the AM / PM or 12
  • decided to use 24 hour format. Between the DS1302 and the microcontroller can simply use the synchronous serial communication mode, used
  • only three port lines: (1) RST Reset (2) I / O data lines (3) SCLK serial clock. Clock / RAM read / write data to a byte or up to 31 bytes of character
  • set way communication. DS1302 low-power work to maintain the data and clock information when power is less than 1mW
  • Real time clock with the year 2100 to calculate the seconds, minutes, hours, days, weeks, months, years, the ability, as well as the ability to leap
  • year adjustment
  • 1.31 8 temporary data storage RAM
  • 2.Serial I / O port pin makes the least number of ways
  • 3.Wide range of operating voltage 2.0 5.5V
  • 4.Current 2.0V, less than 300nA
  • 5.Read / write clock or RAM data transmission when there are two single-byte transmit and multi-byte character sets transfer mode
  • 6.8-pin DIP package or optional 8-pin SOIC package assembly according to the surface
  • 7.simple 3-wire interface
  • 8.Vcc = 5V and TTL-compatible
  • 9.Optional industrial temperature range -40 to +85
  • 10.Dual power tube for the main power and backup power supply

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