Description
SPECIFICATIONS
Battery Included: No
Brand Name: OPEN-SMART
Certification: None
Choice: yes
Color: Blue
Hign-concerned Chemical: None
Model Number: DS1307 RTC Module
Origin: Mainland China
Package: Yes
Products Status: Stock
Type: Industrial Computer Accessories
semi_Choice: yes
Description
Note: If you want to place the bulk order that the stock is not enough, please contact with us.
NOTE: Due to shipping restrictions, we donot supply the CR1220 battery in this product.
The RTC module is based on DS1307 high precision real time clock module;
Through I2C interface to communicate with singlechip, can read year, month, day, week, time, minute, second; Can read until 2100 year;
Control interface is I2C; Recommended power: DC 5V; The address of the module is 0x68; Control interface level is 5V or 3.3V.
Features
Specification Power voltage VCC: 4.5~5.5V;
Battery voltage: 2.0~3.5V; H
igh level input: 2.1~VCC + 0.3V;
Low level input: -0.3~+0.8V;
Control interface: 4-pin (GND, VCC, SDA, SCL), GND for ground wire, VCC for power source, SDA for I2C interface data cable, SCL for I2C interface clock cable;
Real time IC: DS1307Z; Independent timing: through I2C interface communicate with MCU;
Battery: CR1220;
Installed hole: 4-M2 screw hole, diameter hole: 2.2mm, easy to install
Photos
Part List (Schematics and program can be sent via e-mail,Please contact us)
1 x RTC Module (without CR1220 battery)
