DS1302 Clock Module Real-Time Clock Module for arduino without Battery Product information | ||||||||
Product DescriptionNote:Because of international shipping restrictions, this item is without batteries. Please think twice before your purchase.Thanks! DS1302 real time clock module DALLAS DS1302 is the company launched trickle charge the clock chip, which contains 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 operation by AM / PM indicator decided to use 24 or 12 hour format. DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines: (1) RST Reset (2) I / O data lines (3) SCLK Serial Clock. Clock / RAM read / write data in a byte or up to 31 bytes of character set type communication. DS1302 work to maintain low power consumption data and clock information when power is less than 1mW DS1302 key performance indicators: DS1302 real time clock module parameters are as follows: 7 Working temperature: 0°--- 70° Wiring methods (procedures in order to provide an example, you can access any IO port, modify the port definition in the program can be): VCC : +5 V/3.3V GND : GND CLK : P02 DAT : P01 RST : P00 Note: 1. VCC and GND Do not reversed, it would burn the chip 2. C51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines
Package Include: 2pcs |
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