DS1302 Real Time Clock Module Arduino compatibile with Battery

DS1302 Real Time Clock Module Arduino compatibile + battery

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ARD0060
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 DS1302 DALLAS company launched the trickle charge clock chip contains a real-time clock / calendar and 31 bytes of static RAM, and communicate via a simple serial interface with the microcontroller. The real-time clock / calendar circuit provides seconds, minutes, hours, day, week, month, year, and can automatically adjust the monthly number of days and the number of days of the leap year. Clock operation by the AM / PM indication, the decision to adopt a 24 or 12-hour format. Between the DS1302 and the microcontroller can simply synchronous serial communication only used three lines of: (1) RST Reset (2) I / O data line (3) SCLK Serial Clock. Clock / RAM read / write data to a byte or character groups of up to 31 bytes of communication. DS1302 working when the power consumption is very low to maintain data and clock information when the power is less than 1mW

DS1302 main performance indicators:
1. real-time clock can be calculated before 2100 seconds, minute, hour, day, week, month, year capacity, as well as leap year adjustment capacity
2. 31 8-bit temporary data storage RAM
3. serial I / O port, making the least number of pins
4. wide range of operating voltage 2.0 5.5V
5. Operating Current 2.0V, less than 300nA
6. read / write clock or RAM data when there are two kinds of transmission mode in a single byte transfer and multi-byte the transmitted character group way
7. 8-pin DIP package or an optional 8-pin SOIC package surface mount
8. simple 3-wire interface
9. Vcc = 5V TTL compatible
10.  Optional industrial temperature range of -40 to +85
11.  dual supply pipe for the main power 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. Spare batteries the genuine celestial CR2032 Voltage 3V, current 260mAh, non-rechargeable batteries. The theoretical data retention time is more than 10 years!

Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, and size 2 * 6mm

5.DS1302 8-pin DIP made large chip, chip below IC sockets for easy replacement and plug chip

6 module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller

Operating Temperature: 0 ° --- 70 °

Wiring methods (provided by the program, for example, you can pick any IO port port definition can be modified in the program):

VCC ? +5 V/3.3V

GND ? GND

CLK ? P02

DAT ? P01

RST ? P00

Note:

The 1.VCC to GND Do not reversed, it would burn the chip

The real time clock module provides seconds, minutes, hours, days, date, months, and year information. 
This real time clock module communicates with a microprocessor via a simply serial interface. 
Main Chip: DS1302
31 x 8 RAM for scratchpad data storage
Interface Type:Serial I/O interface
Operating Voltage Range:2.0 ~ 5.5V
Single-byte and multi-byte transmission for clock or RAM data read / write
TTL compatible (Vcc=5V)
Working Temperature: 0?~+70?
Demension: 50mm*21mm*12 mm

Package Include:

1pcs DS1302 Real Time Clock Module + battery





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