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- CentIoT - RTC I2C Module - DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module - Without Battery
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Featured product
Description
Brand: CentIoT
Features:
- Operating voltage :3.3 - 5 .5 V
- Clock Chip: high-precision clock chip DS3231
- Clock Accuracy :0-40 centigrade range, the accuracy 2ppm, the error was about 1 minute
- Calendar alarm clock with two
- Programmable square-wave output: If you are using non-rechargeable CR2032 lithium batteries please turn off the recharge feature in the library code.
PartNumber: AR049-RTC-DS3231
Details: Battery not included.Low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. DS3231 available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package. RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. Clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output, and if necessary, automatically switch to the backup power supply. /RST pin is monitored as generating μP reset manually. Save time and high precision addition, DS3231 also has some other features that extend the system host of additional features and a range of options. The device integrates a very precise digital temperature sensor, through the I2C * interface to access it (as the same time). Temperature sensor accuracy is ± 3 ° C. On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. When the main power re-power or voltage value returns to within the allowable range, the on-chip reset function can be used to restart the system microprocessor.
UPC: 618020770140
EAN: 0618020770140
Model: AR049-RTC-DS3231
Binding: Electronics
Item Condition: New
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