DS1302是美国DALLAS公司推出的一种高性能、低功耗的实时时钟芯片，附加31字节静态RAM，采用SPI三线接口与CPU进行同步通信，并可采用突发方式一次传送多个字节的时钟信号和RAM数据。实时时钟可提供秒、分、时、日、星期、月和年，一个月小与31天时可以自动调整，且具有闰年补偿功能。工作电压宽达2.5～5.5V。采用双电源供电（主电源和备用电源），可设置备用电源充电方式，提供了对后背电源进行，英文版资料。
2016-07-20 16:40
The Dallas Semiconductor DS1302 Trickle ChargeTime Keeping Chip is a programmable 3–wire
2009-05-19 15:45
DS1340/DS1340C pdf datasheet (I2C RTC with Trickle Charger)
2008-09-22 22:44
Abstract: This application note describes how to use the trickle charger feature available in some Maxim/Dallas real-time clocks (RTCs).
2009-04-21 11:02
常用IC资料,IC datasheet,pdf The DS1302 Trickle Charge Timekeeping Chip contains an RTC/calendar and 31 bytes o
2010-03-11 09:21
features an automatic backup supply with integrated trickle charger. The backup supply can beimplemented using a capacitor or non-rec
2010-10-28 19:54
to the STM41T00, including the software clock calibration. Thedevice additionally provides trickle-charge capabilityon the VBA
2008-09-22 22:40
features an automatic backup supply with integrated trickle charger. The backup supply can beimplemented using a capacitor or non-rec
2010-10-28 19:51
trickle charger, suitable for charging a manganese-dioxide lithium (ML) coin cell. The depth of discharge during use affects the service life of a
2009-04-21 09:48
本项目采用hierarchy UPF方式划分了7个power domain、voltage domain，指定power switch cell，其中包括SWITCH TRICKLE、SWITCH
2024-04-08 09:24
