lrwxrwxrwx 1 root root 0 2021-01-01 12:00 rtc0 -> ../../devices/platform/fe5e0000.i2c/i2c-5/5-0051/rtc/rtc0 rk3568_r:/sys/class/rtc# cd rtc0rk3568_r:/sys/class/rtc/rtc0# lsdatedevice max_user_freq power subsystem uevent wakeup8 dev hctosys name since_epoch time wakealarm...
rk3568_r:/sys/class/rtc# cd rtc0rk3568_r:/sys/class/rtc/rtc0# lsdate device max_user_freq power subsystem uevent wakeup8 dev hctosys name since_epoch time wakealarm rk3568_r:/sys/class/rtc/rtc0# cat namertc-hym8563 5-0051 rk3568_r:/sys/class/rtc/rtc0# cat time03:04:57 rk35...
lrwxrwxrwx 1 root root 0 2021-01-01 12:00 rtc0 -> ../../devices/platform/fe5e0000.i2c/i2c-5/5-0051/rtc/rtc0 rk3568_r:/sys/class/rtc# cd rtc0rk3568_r:/sys/class/rtc/rtc0# lsdate device max_user_freq power subsystem uevent wakeup8 dev hctosys name since_epoch time wakeala...
rk3568_r:/sys/class/rtc/rtc0 # ls date device max_user_freq power subsystem uevent wakeup8 dev hctosys name since_epoch time wakealarm rk3568_r:/sys/class/rtc/rtc0 # cat name rtc-hym8563 5-0051 rk3568_r:/sys/class/rtc/rtc0 # cat time 03:04:57 rk3568_r:/sys/class/rtc/rtc0...
RTC:实时时钟的缩写是(Real_Time Clock)。RTC 是集成电路,通常称为时钟芯片。 1)产品概述 HYM8563是一款低功耗CMOS实时时钟/日历芯片,由武汉昊昱公司设计生产。 它提供一个可编程的时钟输出,一个中断输出和一个掉电检测器,所有的地址和数据都通过I2C总线接口串行传递。
HYM8563 - 1- Features ■Provides Year,Month,Day,Weekday,Hours, Minutes and Seconds Information ■Century Flag ■Wide Operating Voltage:1.8V to5.5V ■Low Power Consumption:0.25μA at V DD=3.0V ■I2C-bus Interface ■Programmable Clock Output(32.768kHz,1024 Hz,32Hz and1Hz)■Alarm and ...