Arduino RTC DS1302 Real Time Clock Module For AVR ARM PIC SMD (FS00904)
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Produs:Nou, Fără garanție
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Numar articol:181368739
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Disponibilitate:Indisponibil
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Preț:29,00 Lei
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Anuntul a expirat la:16.05.2019, 08:06
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Specificatii
Atentie: modulul nu contine baterie.
DS1302(without battery) 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
Parameters:
1.PCB a single panel, size: 42mm * 24mm *
12mm(max)
Net weight:10g
Package weight:20g
Color:green (as the picture shows)
2 with 4 holes, about 3.1mm in diameter
3 genuine spare battery for the celestial sphere CR2032,
Voltage 3V, current is 260mAh, non-rechargeable
batteries.
4 Crystal 32.768KHz, matching capacitance 6pF, size 2 *
6mm
5.DS1302 made large 8-pin DIP chip, chip, IC Block below for
easy replacement and plug the chip
6 module operating voltage compatible 3.3V/5V, 5V and 3.3V
microcontrollers can be connected with
7 Operating temperature: 0℃ --- 70 ℃
NOTE:
Wiring (to provide the program, for example, can take any IO
port, the port defined in the program can be modified):
VCC → +5 V/3.3V
GND → GND
CLK → P02
DAT → P01
RST → P00
1.VCC and GND must not be reversed, or it will burn the
chip
2.51 MCU P0 port requires a pull-up, if your single-chip
pull-up resistor is not connected, you can port the data cable to
the other
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