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Description
OVERVIEW:
DS1302 is introduced trickle charge the clockchip, containing a real-time clock/calendar and 31 bytes of static RAM, via asimple serial interface to communicate with the microcontroller. Real-timeclock/calendar circuit provides seconds, minutes, hours, days, weeks, months,"years of information, the number of days per month and leap year automaticallyadjust the number of days. Clock can be done by the AM / PM or 12 decided touse 24-hour format. Between the DS1302 and the microcontroller can simply usethe synchronous serial communication mode, used only three port lines: (1) RSTReset (2) I / O data lines (3) SCLK serial clock. Clock / RAM read/write datato a byte or up to 31 bytes of character set way communication. DS1302low-power work to maintain the data and clock information when power is lessthan 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 leapyear adjustment.
Features:
- PCB a single panel, size: 42mm * 24mm *12mm(max)
- Colour: green (as the picture shows)
- with 4 holes, about 3.1mm in diameter
- genuine spare battery for the celestialsphere CR2032, Voltage 3V, current is 260mAh, non-rechargeable batteries.
- Crystal 32.768KHz, matching capacitance 6pF,"size 2 * 6mm
- DS1302 made large 8-pin DIP chip, chip, ICBlock below for easy replacement and plug the chip
- module operating voltage compatible 3.3V/5V,"5V and 3.3V microcontrollers can be connected with
- Operating temperature: 0-- 70
- VCC and GND must not be reversed, or it willburn the chip
- 51 MCU P0 port requires a pull-up if yoursingle-chip pull-up resistor is not connected, you can port the data cable tothe other
Document:
Features
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