Real Time Clock za arduino RTC DS1302 NOVO

Real Time Clock za arduino RTC DS1302  NOVO

RTC modul se prodaje bez baterije!

Ako zelite bateriju, ona je 50din

DS1302 key performance indicators:
★ Real-time clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment
★ serial I / O ports such a way that a minimum number of pins
★ Wide operating voltage range 2.0 5.5V
★ 2.0V, operating current of less than 300nA
★ read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set
★ 8-pin DIP package or an optional 8-pin SOIC surface mount package under
★ simple 3-wire interface
★ Vcc = 5V and TTL compatible
★ Optional industrial temperature range of -40 to +85
★ dual power tubes used for the main power supply and backup power supply
DS1302 real time clock module parameters are as follows:
1. PCB single panel, size: 44mm * 23mm * 1.6mm
2. with four positioning holes, diameter 3.1mm
3. backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries. Theoretical data retention time is more than 10 years!
4. Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, size 2 * 6mm
5. DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips
6. module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller
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

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